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1. T\u1ed5ng quan v\u1ec1 Excel<\/strong><\/h2>\nExcel l\u00e0 ph\u1ea7n m\u1ec1m b\u1ea3ng t\u00ednh \u0111\u01b0\u1ee3c Microsoft cho ra m\u1eaft v\u00e0o n\u0103m 1985 – m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a b\u1ed9 s\u1ea3n ph\u1ea9m Office v\u00e0 Office 365. K\u1ec3 t\u1eeb \u0111\u00f3 \u0111\u1ebfn nay, Excel \u0111\u00e3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p trong c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 qu\u1ea3n l\u00fd nh\u00e2n s\u1ef1, qu\u1ea3n l\u00fd v\u1eadn h\u00e0nh, ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t v\u00e0 l\u1eadp b\u00e1o c\u00e1o.<\/p>\n
C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Excel bao g\u1ed3m:<\/strong><\/p>\n\n- H\u00e0m v\u00e0 c\u00f4ng th\u1ee9c:<\/strong> Excel cung c\u1ea5p r\u1ea5t nhi\u1ec1u h\u00e0m c\u00f3 s\u1eb5n, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p nhi\u1ec1u h\u00e0m \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 t\u00f9y ch\u1ec9nh.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u:<\/strong> Excel cho ph\u00e9p hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u tr\u1ef1c quan ch\u1ec9 v\u1edbi v\u00e0i thao t\u00e1c, gi\u00fap vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u trong b\u00e1o c\u00e1o ho\u1eb7c dashboard tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/li>\n
- M\u1eabu (Templates):<\/strong> C\u00e1c m\u1eabu Excel c\u00f3 s\u1eb5n t\u1eeb Microsoft khi t\u1ea1o workbook m\u1edbi, v\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 chia s\u1ebb m\u1eabu c\u1ee7a m\u00ecnh ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c m\u1eabu c\u1ee7a ng\u01b0\u1eddi kh\u00e1c \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/li>\n
- Bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u (Data Transformation):<\/strong> C\u00f4ng c\u1ee5 Power Query trong Excel cho ph\u00e9p b\u1ea1n t\u1ea3i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p v\u00e0 nh\u1eadp d\u1eef li\u1ec7u \u0111\u00f3 v\u00e0o workbook c\u1ee7a m\u00ecnh.<\/li>\n<\/ul>\n
Vai tr\u00f2 c\u1ee7a Excel \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u00e0m ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/strong><\/p>\n\n- Excel l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n gi\u00fap ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst l\u00e0m quen v\u1edbi c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, s\u1eafp x\u1ebfp v\u00e0 x\u1eed l\u00fd.<\/li>\n
- H\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n t\u01b0 duy logic v\u00e0 k\u1ef9 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u tr\u01b0\u1edbc khi chuy\u1ec3n sang c\u00e1c c\u00f4ng c\u1ee5 n\u00e2ng cao nh\u01b0 Power BI.<\/li>\n
- Gi\u00fap t\u1ea1o b\u00e1o c\u00e1o v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u nhanh ch\u00f3ng, ph\u1ee5c v\u1ee5 nhu c\u1ea7u doanh nghi\u1ec7p trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/li>\n
- D\u1ec5 d\u00e0ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nh\u01b0 Power BI, SQL, Python \u0111\u1ec3 m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch.<\/li>\n
- L\u00e0 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, gi\u00fap ng\u01b0\u1eddi m\u1edbi \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c v\u00e0o th\u1ef1c t\u1ebf c\u00f4ng vi\u1ec7c s\u1edbm.<\/li>\n<\/ul>\n
2. T\u1ed5ng quan v\u1ec1 Power BI<\/strong><\/h2>\nPower BI l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft v\u00e0o n\u0103m 2014. Tuy l\u00e0 c\u00f4ng cu “sinh sau \u0111\u1ebb mu\u1ed9n”, th\u1ebf nh\u01b0ng Power BI nhanh ch\u00f3ng tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd trong doanh nghi\u1ec7p nh\u1edd c\u00e1c t\u00ednh n\u0103ng t\u1ea1o c\u00e1c b\u00e1o c\u00e1o t\u01b0\u01a1ng t\u00e1c v\u00e0 dashboard qu\u1ea3n l\u00fd hi\u1ec7u su\u1ea5t., gi\u00fap bi\u1ebfn d\u1eef li\u1ec7u th\u00f4 th\u00e0nh th\u00f4ng tin tr\u1ef1c quan d\u1ec5 hi\u1ec3u.<\/p>\n
C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Power BI bao g\u1ed3m:<\/p>\n
\n- K\u1ebft n\u1ed1i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n:<\/strong> Power BI c\u00f3 th\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb Excel, SQL Server, c\u00e1c d\u1ecbch v\u1ee5 web, v\u00e0 nhi\u1ec1u ngu\u1ed3n kh\u00e1c, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p d\u1ec5 d\u00e0ng.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u n\u00e2ng cao:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3, b\u1ea3n \u0111\u1ed3, KPI, v\u00e0 dashboard t\u01b0\u01a1ng t\u00e1c, gi\u00fap d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng, m\u1ed1i quan h\u1ec7 v\u00e0 insight t\u1eeb d\u1eef li\u1ec7u.<\/li>\n
- Power Query v\u00e0 DAX:<\/strong> Gi\u00fap bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u, t\u1ea1o c\u00e1c ph\u00e9p t\u00ednh n\u00e2ng cao, v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p m\u00e0 Excel kh\u00f3 th\u1ef1c hi\u1ec7n.<\/li>\n
- T\u00edch h\u1ee3p v\u00e0 chia s\u1ebb:<\/strong> Power BI cho ph\u00e9p chia s\u1ebb b\u00e1o c\u00e1o v\u00e0 dashboard tr\u1ef1c tuy\u1ebfn, k\u1ebft n\u1ed1i v\u1edbi Teams ho\u1eb7c SharePoint, gi\u00fap c\u00e1c nh\u00f3m l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9.<\/li>\n
- Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o:<\/strong> Power BI t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng AI m\u1ea1nh m\u1ebd, nh\u01b0 Key Influencers, Anomaly Detection v\u00e0 Q&A b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng khai th\u00e1c insight, d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u th\u00f4ng minh m\u00e0 kh\u00f4ng c\u1ea7n l\u1eadp tr\u00ecnh ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n
Vai tr\u00f2 c\u1ee7a Power BI \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u00e0m ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/strong><\/p>\n\n- Gi\u00fap tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, t\u1eeb b\u00e1o c\u00e1o c\u01a1 b\u1ea3n \u0111\u1ebfn dashboard t\u01b0\u01a1ng t\u00e1c.<\/li>\n
- H\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p m\u00e0 Excel c\u00f3 th\u1ec3 g\u1eb7p h\u1ea1n ch\u1ebf.<\/li>\n
- Cho ph\u00e9p t\u1ea1o c\u00e1c ph\u00e9p t\u00ednh n\u00e2ng cao v\u00e0 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd nh\u1edd DAX v\u00e0 Power Query.<\/li>\n
- K\u1ebft n\u1ed1i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, gi\u00fap ng\u01b0\u1eddi l\u00e0m Data Analyst t\u1ed5ng h\u1ee3p v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u to\u00e0n di\u1ec7n.<\/li>\n
- T\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng chia s\u1ebb th\u00f4ng tin v\u00e0 ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ul>\n
<\/p>\n
3. So s\u00e1nh Excel v\u00e0 Power BI<\/strong><\/h2>\nKhi b\u1eaft \u0111\u1ea7u h\u1ecdc Data Analyst, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Excel v\u00e0 Power BI s\u1ebd gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 \u1edf t\u1eebng giai \u0111o\u1ea1n. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch d\u1eef li\u1ec7u, nh\u01b0ng c\u00e1ch ti\u1ebfp c\u1eadn, kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i c\u00f3 nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng.<\/p>\n
Kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u<\/h3>\n\n- Excel ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u nh\u1ecf \u0111\u1ebfn trung b\u00ecnh v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean t\u1eebng \u00f4 d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst<\/strong> d\u1ec5 d\u00e0ng hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c v\u00e0 x\u1eed l\u00fd. Tuy nhi\u00ean, khi d\u1eef li\u1ec7u tr\u1edf n\u00ean qu\u00e1 l\u1edbn, Excel c\u00f3 th\u1ec3 g\u1eb7p h\u1ea1n ch\u1ebf v\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n
- Ng\u01b0\u1ee3c l\u1ea1i, Power BI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n. C\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u1edf quy m\u00f4 l\u1edbn m\u00e0 Excel kh\u00f3 \u0111\u00e1p \u1ee9ng.<\/li>\n<\/ul>\n
C\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/h3>\n\n- Excel mang l\u1ea1i tr\u1ea3i nghi\u1ec7m quen thu\u1ed9c v\u1edbi giao di\u1ec7n b\u1ea3ng t\u00ednh, n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u, vi\u1ebft c\u00f4ng th\u1ee9c v\u00e0 thao t\u00e1c tr\u1ef1c ti\u1ebfp. \u0110\u00e2y l\u00e0 l\u00fd do Excel tr\u1edf th\u00e0nh b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u l\u00fd t\u01b0\u1edfng cho nh\u1eefng ai m\u1edbi h\u1ecdc Data Analyst.<\/li>\n
- Trong khi \u0111\u00f3, Power BI c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7n \u0111\u1ea1i h\u01a1n, t\u1eadp trung v\u00e0o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u v\u00e0 tr\u1ef1c quan h\u00f3a. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp tr\u00ean t\u1eebng \u00f4 m\u00e0 thao t\u00e1c th\u00f4ng qua c\u00e1c bi\u1ec3u \u0111\u1ed3, dashboard v\u00e0 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi th\u1eddi gian l\u00e0m quen nh\u01b0ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n trong ph\u00e2n t\u00edch.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h3>\n\n- Excel cung c\u1ea5p c\u00e1c bi\u1ec3u \u0111\u1ed3 c\u01a1 b\u1ea3n nh\u01b0 c\u1ed9t, \u0111\u01b0\u1eddng, tr\u00f2n, ph\u00f9 h\u1ee3p cho c\u00e1c b\u00e1o c\u00e1o \u0111\u01a1n gi\u1ea3n. Ng\u01b0\u1eddi h\u1ecdc Data Analyst c\u00f3 th\u1ec3 nhanh ch\u00f3ng t\u1ea1o b\u00e1o c\u00e1o tr\u1ef1c quan m\u00e0 kh\u00f4ng c\u1ea7n nhi\u1ec1u thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p.<\/li>\n
- Power BI v\u01b0\u1ee3t tr\u1ed9i h\u01a1n trong vi\u1ec7c tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u. C\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p t\u1ea1o dashboard t\u01b0\u01a1ng t\u00e1c, k\u1ebft h\u1ee3p nhi\u1ec1u lo\u1ea1i bi\u1ec3u \u0111\u1ed3 n\u00e2ng cao, v\u00e0 gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00e1m ph\u00e1 insight m\u1ed9t c\u00e1ch tr\u1ef1c quan, sinh \u0111\u1ed9ng h\u01a1n.<\/li>\n<\/ul>\n
T\u00ednh n\u0103ng ph\u00e2n t\u00edch n\u00e2ng cao<\/h3>\n\n- Excel h\u1ed7 tr\u1ee3 nhi\u1ec1u h\u00e0m v\u00e0 c\u00f4ng th\u1ee9c m\u1ea1nh m\u1ebd, \u0111\u1ee7 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e2n t\u00edch t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao. Tuy nhi\u00ean, khi c\u1ea7n x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p ho\u1eb7c x\u1eed l\u00fd logic n\u00e2ng cao, Excel s\u1ebd tr\u1edf n\u00ean h\u1ea1n ch\u1ebf.<\/li>\n
- Power BI s\u1eed d\u1ee5ng DAX v\u00e0 Power Query \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u chuy\u00ean s\u00e2u. Ngo\u00e0i ra, Power BI c\u00f2n t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng AI gi\u00fap ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng, ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n v\u00e0 d\u1ef1 \u0111o\u00e1n d\u1eef li\u1ec7u, \u0111i\u1ec1u m\u00e0 Excel kh\u00f3 th\u1ef1c hi\u1ec7n \u1edf c\u00f9ng c\u1ea5p \u0111\u1ed9.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 t\u00edch h\u1ee3p d\u1eef li\u1ec7u<\/h3>\n\n- Excel c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n, nh\u01b0ng kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt c\u00f2n h\u1ea1n ch\u1ebf h\u01a1n so v\u1edbi Power BI.<\/li>\n
- Power BI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u nh\u01b0 database, API, d\u1ecbch v\u1ee5 cloud, gi\u00fap ng\u01b0\u1eddi l\u00e0m Data Analyst d\u1ec5 d\u00e0ng t\u1ed5ng h\u1ee3p v\u00e0 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng chia s\u1ebb v\u00e0 l\u00e0m vi\u1ec7c nh\u00f3m<\/h3>\n\n- Excel th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng file, vi\u1ec7c chia s\u1ebb v\u00e0 c\u1ed9ng t\u00e1c c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng b\u1ed5 tr\u1ee3.<\/li>\n
- Power BI h\u1ed7 tr\u1ee3 chia s\u1ebb dashboard tr\u1ef1c tuy\u1ebfn, t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 Teams ho\u1eb7c SharePoint, gi\u00fap c\u00e1c nh\u00f3m l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n
Vai tr\u00f2 trong l\u1ed9 tr\u00ecnh h\u1ecdc Data Analyst<\/h3>\n\n- \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst, Excel \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng gi\u00fap hi\u1ec3u d\u1eef li\u1ec7u v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy ph\u00e2n t\u00edch. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u quan tr\u1ecdng tr\u01b0\u1edbc khi ti\u1ebfp c\u1eadn c\u00e1c c\u00f4ng c\u1ee5 n\u00e2ng cao.<\/li>\n
- Power BI \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ti\u1ebfp theo, gi\u00fap n\u00e2ng cao kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a, ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn v\u00e0 tr\u00ecnh b\u00e0y insight m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p.<\/li>\n<\/ul>\n
![\"H\u1ecdc](\"https:\/\/vtiedu.click\/wp-content\/uploads\/2026\/04\/so-sanh-excel-va-power-bi-300x169.jpg\")
H\u1ecdc Data Analyst n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb Excel hay Power BI?<\/figcaption><\/figure>\n4. H\u1ecdc Data Analyst n\u00ean h\u1ecdc c\u00f4ng c\u1ee5 n\u00e0o tr\u01b0\u1edbc? Excel hay Power BI<\/strong><\/h2>\nExcel v\u00e0 Power BI kh\u00f4ng ph\u1ea3i l\u00e0 hai c\u00f4ng c\u1ee5 c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp m\u00e0 \u0111\u00f3ng vai tr\u00f2 b\u1ed5 tr\u1ee3 trong c\u00f9ng m\u1ed9t quy tr\u00ecnh ph\u00e2n t\u00edch d\u1eef li\u1ec7u. Excel gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1edf m\u1ee9c chi ti\u1ebft, t\u1eeb vi\u1ec7c l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, x\u1eed l\u00fd d\u1eef li\u1ec7u th\u00f4, \u0111\u1ebfn th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 ki\u1ec3m tra logic. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao khi b\u1eaft \u0111\u1ea7u h\u1ecdc Data Analyst, Excel lu\u00f4n l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u v\u1eadn h\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy ph\u00e2n t\u00edch.<\/p>\n
Khi \u0111\u00e3 n\u1eafm v\u1eefng Excel, b\u1ea1n s\u1ebd nh\u1eadn ra nh\u1eefng gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3 khi l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c c\u1ea7n tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch tr\u1ef1c quan, chuy\u00ean nghi\u1ec7p. \u0110\u00e2y l\u00e0 l\u00fac Power BI ph\u00e1t huy vai tr\u00f2. Power BI kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n m\u00e0 c\u00f2n cho ph\u00e9p x\u00e2y d\u1ef1ng dashboard t\u01b0\u01a1ng t\u00e1c, tr\u1ef1c quan h\u00f3a insight v\u00e0 h\u1ed7 tr\u1ee3 ra quy\u1ebft \u0111\u1ecbnh nhanh ch\u00f3ng. Nh\u1edd \u0111\u00f3, b\u1ea1n kh\u00f4ng ch\u1ec9 ph\u00e2n t\u00edch d\u1eef li\u1ec7u m\u00e0 c\u00f2n \u201ck\u1ec3 c\u00e2u chuy\u1ec7n b\u1eb1ng d\u1eef li\u1ec7u\u201d m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n
Trong th\u1ef1c t\u1ebf c\u00f4ng vi\u1ec7c, hai c\u00f4ng c\u1ee5 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng song song. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng Excel \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 chu\u1ea9n h\u00f3a d\u1eef li\u1ec7u ban \u0111\u1ea7u, sau \u0111\u00f3 \u0111\u01b0a d\u1eef li\u1ec7u v\u00e0o Power BI \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 t\u1ea1o b\u00e1o c\u00e1o \u0111\u1ed9ng. C\u00e1ch l\u00e0m n\u00e0y gi\u00fap t\u1eadn d\u1ee5ng th\u1ebf m\u1ea1nh c\u1ee7a t\u1eebng c\u00f4ng c\u1ee5, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c.<\/p>\n
V\u00ec v\u1eady, khi h\u1ecdc Data Analyst, l\u1ed9 tr\u00ecnh h\u1ee3p l\u00fd nh\u1ea5t l\u00e0 b\u1eaft \u0111\u1ea7u v\u1edbi Excel \u0111\u1ec3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, sau \u0111\u00f3 h\u1ecdc Power BI \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u.<\/strong> Khi k\u1ebft h\u1ee3p t\u1ed1t c\u1ea3 hai, b\u1ea1n kh\u00f4ng ch\u1ec9 x\u1eed l\u00fd d\u1eef li\u1ec7u ch\u00ednh x\u00e1c m\u00e0 c\u00f2n tr\u00ecnh b\u00e0y insight m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, \u0111\u00e1p \u1ee9ng \u0111\u00fang nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a doanh nghi\u1ec7p v\u00e0 t\u1ea1o l\u1ee3i th\u1ebf c\u1ea1nh tranh trong ngh\u1ec1.<\/p>\nT\u1ea1m k\u1ebft<\/strong><\/h2>\nC\u1ea3 Excel v\u00e0 Power BI \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong ph\u00e2n t\u00edch v\u00e0 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u. Excel mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u nh\u1ecf c\u00f9ng nhu c\u1ea7u b\u00e1o c\u00e1o t\u00f9y ch\u1ec9nh, trong khi Power BI n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn, cung c\u1ea5p ph\u00e2n t\u00edch n\u00e2ng cao v\u00e0 h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng c\u00e1c dashboard t\u01b0\u01a1ng t\u00e1c, t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/p>\n
\u0110\u1ec3 n\u00e2ng cao hi\u1ec3u bi\u1ebft v\u00e0 k\u1ef9 n\u0103ng s\u1eed d\u1ee5ng hai c\u00f4ng c\u1ee5 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 kh\u00f3a h\u1ecdc ch\u00ednh h\u00e3ng c\u1ee7a Microsoft sau tr\u00ean Trainocate Vietnam:<\/p>\n
\n- PL-300: Microsoft Power BI Data Analyst:<\/a> K\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft trong Power BI \u0111\u1ec3 chu\u1ea9n b\u1ecb, m\u00f4 h\u00ecnh h\u00f3a v\u00e0 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, ph\u1ee5c v\u1ee5 cho ch\u1ee9ng ch\u1ec9 PL-300 Data Analyst.<\/li>\n
- Excel Foundation:<\/a> Trang b\u1ecb c\u00e1c k\u1ef9 n\u0103ng n\u1ec1n t\u1ea3ng trong Excel, t\u1eeb chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u, vi\u1ebft c\u00f4ng th\u1ee9c \u0111\u1ebfn t\u1ea1o tr\u1ef1c quan h\u00f3a, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u kinh nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n
- DP-900<\/a> v\u00e0 AI-900<\/a>: Cung c\u1ea5p n\u1ec1n t\u1ea3ng v\u1ec1 d\u1eef li\u1ec7u, AI v\u00e0 h\u1ec7 sinh th\u00e1i Microsoft, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/li>\n<\/ul>\n\n\n\n\n\n\n
Th\u00f4ng qua vi\u1ec7c tham gia c\u00e1c kh\u00f3a h\u1ecdc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 khai th\u00e1c t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a c\u1ea3 Excel v\u00e0 Power BI, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean d\u1eef li\u1ec7u trong c\u00f4ng vi\u1ec7c.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Trong qu\u00e1 tr\u00ecnh h\u1ecdc Data Analyst, ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng kh\u00e1 b\u1ed1i r\u1ed1i v\u1edbi th\u1ebf gi\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 gi\u1eefa hai c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn l\u00e0 Excel v\u00e0 Power BI. Excel t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u c\u01a1 b\u1ea3n m\u00e0 h\u1ea7u h\u1ebft doanh nghi\u1ec7p […]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10771","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/comments?post=10771"}],"version-history":[{"count":4,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771\/revisions"}],"predecessor-version":[{"id":10783,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771\/revisions\/10783"}],"wp:attachment":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/media?parent=10771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/categories?post=10771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/tags?post=10771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \n
- H\u00e0m v\u00e0 c\u00f4ng th\u1ee9c:<\/strong> Excel cung c\u1ea5p r\u1ea5t nhi\u1ec1u h\u00e0m c\u00f3 s\u1eb5n, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p nhi\u1ec1u h\u00e0m \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 t\u00f9y ch\u1ec9nh.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u:<\/strong> Excel cho ph\u00e9p hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u tr\u1ef1c quan ch\u1ec9 v\u1edbi v\u00e0i thao t\u00e1c, gi\u00fap vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u trong b\u00e1o c\u00e1o ho\u1eb7c dashboard tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/li>\n
- M\u1eabu (Templates):<\/strong> C\u00e1c m\u1eabu Excel c\u00f3 s\u1eb5n t\u1eeb Microsoft khi t\u1ea1o workbook m\u1edbi, v\u00e0 b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 chia s\u1ebb m\u1eabu c\u1ee7a m\u00ecnh ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c m\u1eabu c\u1ee7a ng\u01b0\u1eddi kh\u00e1c \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/li>\n
- Bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u (Data Transformation):<\/strong> C\u00f4ng c\u1ee5 Power Query trong Excel cho ph\u00e9p b\u1ea1n t\u1ea3i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p v\u00e0 nh\u1eadp d\u1eef li\u1ec7u \u0111\u00f3 v\u00e0o workbook c\u1ee7a m\u00ecnh.<\/li>\n<\/ul>\n
Vai tr\u00f2 c\u1ee7a Excel \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u00e0m ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/strong><\/p>\n
- \n
- Excel l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n gi\u00fap ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst l\u00e0m quen v\u1edbi c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef, s\u1eafp x\u1ebfp v\u00e0 x\u1eed l\u00fd.<\/li>\n
- H\u1ed7 tr\u1ee3 ph\u00e1t tri\u1ec3n t\u01b0 duy logic v\u00e0 k\u1ef9 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u tr\u01b0\u1edbc khi chuy\u1ec3n sang c\u00e1c c\u00f4ng c\u1ee5 n\u00e2ng cao nh\u01b0 Power BI.<\/li>\n
- Gi\u00fap t\u1ea1o b\u00e1o c\u00e1o v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u nhanh ch\u00f3ng, ph\u1ee5c v\u1ee5 nhu c\u1ea7u doanh nghi\u1ec7p trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/li>\n
- D\u1ec5 d\u00e0ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nh\u01b0 Power BI, SQL, Python \u0111\u1ec3 m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch.<\/li>\n
- L\u00e0 c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, gi\u00fap ng\u01b0\u1eddi m\u1edbi \u00e1p d\u1ee5ng ki\u1ebfn th\u1ee9c v\u00e0o th\u1ef1c t\u1ebf c\u00f4ng vi\u1ec7c s\u1edbm.<\/li>\n<\/ul>\n
2. T\u1ed5ng quan v\u1ec1 Power BI<\/strong><\/h2>\n
Power BI l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 tr\u1ef1c quan h\u00f3a v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Microsoft v\u00e0o n\u0103m 2014. Tuy l\u00e0 c\u00f4ng cu “sinh sau \u0111\u1ebb mu\u1ed9n”, th\u1ebf nh\u01b0ng Power BI nhanh ch\u00f3ng tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd trong doanh nghi\u1ec7p nh\u1edd c\u00e1c t\u00ednh n\u0103ng t\u1ea1o c\u00e1c b\u00e1o c\u00e1o t\u01b0\u01a1ng t\u00e1c v\u00e0 dashboard qu\u1ea3n l\u00fd hi\u1ec7u su\u1ea5t., gi\u00fap bi\u1ebfn d\u1eef li\u1ec7u th\u00f4 th\u00e0nh th\u00f4ng tin tr\u1ef1c quan d\u1ec5 hi\u1ec3u.<\/p>\n
C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Power BI bao g\u1ed3m:<\/p>\n
- \n
- K\u1ebft n\u1ed1i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n:<\/strong> Power BI c\u00f3 th\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb Excel, SQL Server, c\u00e1c d\u1ecbch v\u1ee5 web, v\u00e0 nhi\u1ec1u ngu\u1ed3n kh\u00e1c, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p d\u1ec5 d\u00e0ng.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u n\u00e2ng cao:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3, b\u1ea3n \u0111\u1ed3, KPI, v\u00e0 dashboard t\u01b0\u01a1ng t\u00e1c, gi\u00fap d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng, m\u1ed1i quan h\u1ec7 v\u00e0 insight t\u1eeb d\u1eef li\u1ec7u.<\/li>\n
- Power Query v\u00e0 DAX:<\/strong> Gi\u00fap bi\u1ebfn \u0111\u1ed5i d\u1eef li\u1ec7u, t\u1ea1o c\u00e1c ph\u00e9p t\u00ednh n\u00e2ng cao, v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p m\u00e0 Excel kh\u00f3 th\u1ef1c hi\u1ec7n.<\/li>\n
- T\u00edch h\u1ee3p v\u00e0 chia s\u1ebb:<\/strong> Power BI cho ph\u00e9p chia s\u1ebb b\u00e1o c\u00e1o v\u00e0 dashboard tr\u1ef1c tuy\u1ebfn, k\u1ebft n\u1ed1i v\u1edbi Teams ho\u1eb7c SharePoint, gi\u00fap c\u00e1c nh\u00f3m l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9.<\/li>\n
- Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o:<\/strong> Power BI t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng AI m\u1ea1nh m\u1ebd, nh\u01b0 Key Influencers, Anomaly Detection v\u00e0 Q&A b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, gi\u00fap ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng khai th\u00e1c insight, d\u1ef1 \u0111o\u00e1n xu h\u01b0\u1edbng v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u th\u00f4ng minh m\u00e0 kh\u00f4ng c\u1ea7n l\u1eadp tr\u00ecnh ph\u1ee9c t\u1ea1p.<\/li>\n<\/ul>\n
Vai tr\u00f2 c\u1ee7a Power BI \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u00e0m ph\u00e2n t\u00edch d\u1eef li\u1ec7u:<\/strong><\/p>\n
- \n
- Gi\u00fap tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, t\u1eeb b\u00e1o c\u00e1o c\u01a1 b\u1ea3n \u0111\u1ebfn dashboard t\u01b0\u01a1ng t\u00e1c.<\/li>\n
- H\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p m\u00e0 Excel c\u00f3 th\u1ec3 g\u1eb7p h\u1ea1n ch\u1ebf.<\/li>\n
- Cho ph\u00e9p t\u1ea1o c\u00e1c ph\u00e9p t\u00ednh n\u00e2ng cao v\u00e0 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd nh\u1edd DAX v\u00e0 Power Query.<\/li>\n
- K\u1ebft n\u1ed1i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, gi\u00fap ng\u01b0\u1eddi l\u00e0m Data Analyst t\u1ed5ng h\u1ee3p v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u to\u00e0n di\u1ec7n.<\/li>\n
- T\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng chia s\u1ebb th\u00f4ng tin v\u00e0 ra quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/li>\n<\/ul>\n
<\/p>\n
3. So s\u00e1nh Excel v\u00e0 Power BI<\/strong><\/h2>\n
Khi b\u1eaft \u0111\u1ea7u h\u1ecdc Data Analyst, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Excel v\u00e0 Power BI s\u1ebd gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 \u1edf t\u1eebng giai \u0111o\u1ea1n. M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch ph\u00e2n t\u00edch d\u1eef li\u1ec7u, nh\u01b0ng c\u00e1ch ti\u1ebfp c\u1eadn, kh\u1ea3 n\u0103ng x\u1eed l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf l\u1ea1i c\u00f3 nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng.<\/p>\n
Kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u<\/h3>\n
- \n
- Excel ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u nh\u1ecf \u0111\u1ebfn trung b\u00ecnh v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean t\u1eebng \u00f4 d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst<\/strong> d\u1ec5 d\u00e0ng hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c v\u00e0 x\u1eed l\u00fd. Tuy nhi\u00ean, khi d\u1eef li\u1ec7u tr\u1edf n\u00ean qu\u00e1 l\u1edbn, Excel c\u00f3 th\u1ec3 g\u1eb7p h\u1ea1n ch\u1ebf v\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n
- Ng\u01b0\u1ee3c l\u1ea1i, Power BI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n. C\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u1edf quy m\u00f4 l\u1edbn m\u00e0 Excel kh\u00f3 \u0111\u00e1p \u1ee9ng.<\/li>\n<\/ul>\n
C\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng<\/h3>\n
- \n
- Excel mang l\u1ea1i tr\u1ea3i nghi\u1ec7m quen thu\u1ed9c v\u1edbi giao di\u1ec7n b\u1ea3ng t\u00ednh, n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u, vi\u1ebft c\u00f4ng th\u1ee9c v\u00e0 thao t\u00e1c tr\u1ef1c ti\u1ebfp. \u0110\u00e2y l\u00e0 l\u00fd do Excel tr\u1edf th\u00e0nh b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u l\u00fd t\u01b0\u1edfng cho nh\u1eefng ai m\u1edbi h\u1ecdc Data Analyst.<\/li>\n
- Trong khi \u0111\u00f3, Power BI c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn hi\u1ec7n \u0111\u1ea1i h\u01a1n, t\u1eadp trung v\u00e0o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u v\u00e0 tr\u1ef1c quan h\u00f3a. Ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp tr\u00ean t\u1eebng \u00f4 m\u00e0 thao t\u00e1c th\u00f4ng qua c\u00e1c bi\u1ec3u \u0111\u1ed3, dashboard v\u00e0 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u, \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi th\u1eddi gian l\u00e0m quen nh\u01b0ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao h\u01a1n trong ph\u00e2n t\u00edch.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u<\/h3>\n
- \n
- Excel cung c\u1ea5p c\u00e1c bi\u1ec3u \u0111\u1ed3 c\u01a1 b\u1ea3n nh\u01b0 c\u1ed9t, \u0111\u01b0\u1eddng, tr\u00f2n, ph\u00f9 h\u1ee3p cho c\u00e1c b\u00e1o c\u00e1o \u0111\u01a1n gi\u1ea3n. Ng\u01b0\u1eddi h\u1ecdc Data Analyst c\u00f3 th\u1ec3 nhanh ch\u00f3ng t\u1ea1o b\u00e1o c\u00e1o tr\u1ef1c quan m\u00e0 kh\u00f4ng c\u1ea7n nhi\u1ec1u thi\u1ebft l\u1eadp ph\u1ee9c t\u1ea1p.<\/li>\n
- Power BI v\u01b0\u1ee3t tr\u1ed9i h\u01a1n trong vi\u1ec7c tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u. C\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p t\u1ea1o dashboard t\u01b0\u01a1ng t\u00e1c, k\u1ebft h\u1ee3p nhi\u1ec1u lo\u1ea1i bi\u1ec3u \u0111\u1ed3 n\u00e2ng cao, v\u00e0 gi\u00fap ng\u01b0\u1eddi d\u00f9ng kh\u00e1m ph\u00e1 insight m\u1ed9t c\u00e1ch tr\u1ef1c quan, sinh \u0111\u1ed9ng h\u01a1n.<\/li>\n<\/ul>\n
T\u00ednh n\u0103ng ph\u00e2n t\u00edch n\u00e2ng cao<\/h3>\n
- \n
- Excel h\u1ed7 tr\u1ee3 nhi\u1ec1u h\u00e0m v\u00e0 c\u00f4ng th\u1ee9c m\u1ea1nh m\u1ebd, \u0111\u1ee7 \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e2n t\u00edch t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao. Tuy nhi\u00ean, khi c\u1ea7n x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p ho\u1eb7c x\u1eed l\u00fd logic n\u00e2ng cao, Excel s\u1ebd tr\u1edf n\u00ean h\u1ea1n ch\u1ebf.<\/li>\n
- Power BI s\u1eed d\u1ee5ng DAX v\u00e0 Power Query \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u chuy\u00ean s\u00e2u. Ngo\u00e0i ra, Power BI c\u00f2n t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng AI gi\u00fap ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng, ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n v\u00e0 d\u1ef1 \u0111o\u00e1n d\u1eef li\u1ec7u, \u0111i\u1ec1u m\u00e0 Excel kh\u00f3 th\u1ef1c hi\u1ec7n \u1edf c\u00f9ng c\u1ea5p \u0111\u1ed9.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 t\u00edch h\u1ee3p d\u1eef li\u1ec7u<\/h3>\n
- \n
- Excel c\u00f3 th\u1ec3 nh\u1eadp d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n, nh\u01b0ng kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i v\u00e0 t\u1ef1 \u0111\u1ed9ng c\u1eadp nh\u1eadt c\u00f2n h\u1ea1n ch\u1ebf h\u01a1n so v\u1edbi Power BI.<\/li>\n
- Power BI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u ngu\u1ed3n d\u1eef li\u1ec7u nh\u01b0 database, API, d\u1ecbch v\u1ee5 cloud, gi\u00fap ng\u01b0\u1eddi l\u00e0m Data Analyst d\u1ec5 d\u00e0ng t\u1ed5ng h\u1ee3p v\u00e0 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n
Kh\u1ea3 n\u0103ng chia s\u1ebb v\u00e0 l\u00e0m vi\u1ec7c nh\u00f3m<\/h3>\n
- \n
- Excel th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng file, vi\u1ec7c chia s\u1ebb v\u00e0 c\u1ed9ng t\u00e1c c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n n\u1ebfu kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng b\u1ed5 tr\u1ee3.<\/li>\n
- Power BI h\u1ed7 tr\u1ee3 chia s\u1ebb dashboard tr\u1ef1c tuy\u1ebfn, t\u00edch h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 Teams ho\u1eb7c SharePoint, gi\u00fap c\u00e1c nh\u00f3m l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed3ng b\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<\/ul>\n
Vai tr\u00f2 trong l\u1ed9 tr\u00ecnh h\u1ecdc Data Analyst<\/h3>\n
- \n
- \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst, Excel \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng gi\u00fap hi\u1ec3u d\u1eef li\u1ec7u v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy ph\u00e2n t\u00edch. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u quan tr\u1ecdng tr\u01b0\u1edbc khi ti\u1ebfp c\u1eadn c\u00e1c c\u00f4ng c\u1ee5 n\u00e2ng cao.<\/li>\n
- Power BI \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u01b0\u1edbc ph\u00e1t tri\u1ec3n ti\u1ebfp theo, gi\u00fap n\u00e2ng cao kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a, ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn v\u00e0 tr\u00ecnh b\u00e0y insight m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p.<\/li>\n<\/ul>\n
H\u1ecdc Data Analyst n\u00ean b\u1eaft \u0111\u1ea7u t\u1eeb Excel hay Power BI?<\/figcaption><\/figure>\n 4. H\u1ecdc Data Analyst n\u00ean h\u1ecdc c\u00f4ng c\u1ee5 n\u00e0o tr\u01b0\u1edbc? Excel hay Power BI<\/strong><\/h2>\n
Excel v\u00e0 Power BI kh\u00f4ng ph\u1ea3i l\u00e0 hai c\u00f4ng c\u1ee5 c\u1ea1nh tranh tr\u1ef1c ti\u1ebfp m\u00e0 \u0111\u00f3ng vai tr\u00f2 b\u1ed5 tr\u1ee3 trong c\u00f9ng m\u1ed9t quy tr\u00ecnh ph\u00e2n t\u00edch d\u1eef li\u1ec7u. Excel gi\u00fap b\u1ea1n l\u00e0m vi\u1ec7c \u1edf m\u1ee9c chi ti\u1ebft, t\u1eeb vi\u1ec7c l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, x\u1eed l\u00fd d\u1eef li\u1ec7u th\u00f4, \u0111\u1ebfn th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh v\u00e0 ki\u1ec3m tra logic. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao khi b\u1eaft \u0111\u1ea7u h\u1ecdc Data Analyst, Excel lu\u00f4n l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u v\u1eadn h\u00e0nh v\u00e0 ph\u00e1t tri\u1ec3n t\u01b0 duy ph\u00e2n t\u00edch.<\/p>\n
Khi \u0111\u00e3 n\u1eafm v\u1eefng Excel, b\u1ea1n s\u1ebd nh\u1eadn ra nh\u1eefng gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3 khi l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u l\u1edbn ho\u1eb7c c\u1ea7n tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch tr\u1ef1c quan, chuy\u00ean nghi\u1ec7p. \u0110\u00e2y l\u00e0 l\u00fac Power BI ph\u00e1t huy vai tr\u00f2. Power BI kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n m\u00e0 c\u00f2n cho ph\u00e9p x\u00e2y d\u1ef1ng dashboard t\u01b0\u01a1ng t\u00e1c, tr\u1ef1c quan h\u00f3a insight v\u00e0 h\u1ed7 tr\u1ee3 ra quy\u1ebft \u0111\u1ecbnh nhanh ch\u00f3ng. Nh\u1edd \u0111\u00f3, b\u1ea1n kh\u00f4ng ch\u1ec9 ph\u00e2n t\u00edch d\u1eef li\u1ec7u m\u00e0 c\u00f2n \u201ck\u1ec3 c\u00e2u chuy\u1ec7n b\u1eb1ng d\u1eef li\u1ec7u\u201d m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n
Trong th\u1ef1c t\u1ebf c\u00f4ng vi\u1ec7c, hai c\u00f4ng c\u1ee5 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng song song. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng Excel \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 chu\u1ea9n h\u00f3a d\u1eef li\u1ec7u ban \u0111\u1ea7u, sau \u0111\u00f3 \u0111\u01b0a d\u1eef li\u1ec7u v\u00e0o Power BI \u0111\u1ec3 tr\u1ef1c quan h\u00f3a v\u00e0 t\u1ea1o b\u00e1o c\u00e1o \u0111\u1ed9ng. C\u00e1ch l\u00e0m n\u00e0y gi\u00fap t\u1eadn d\u1ee5ng th\u1ebf m\u1ea1nh c\u1ee7a t\u1eebng c\u00f4ng c\u1ee5, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c.<\/p>\n
V\u00ec v\u1eady, khi h\u1ecdc Data Analyst, l\u1ed9 tr\u00ecnh h\u1ee3p l\u00fd nh\u1ea5t l\u00e0 b\u1eaft \u0111\u1ea7u v\u1edbi Excel \u0111\u1ec3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, sau \u0111\u00f3 h\u1ecdc Power BI \u0111\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u.<\/strong> Khi k\u1ebft h\u1ee3p t\u1ed1t c\u1ea3 hai, b\u1ea1n kh\u00f4ng ch\u1ec9 x\u1eed l\u00fd d\u1eef li\u1ec7u ch\u00ednh x\u00e1c m\u00e0 c\u00f2n tr\u00ecnh b\u00e0y insight m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, \u0111\u00e1p \u1ee9ng \u0111\u00fang nhu c\u1ea7u th\u1ef1c t\u1ebf c\u1ee7a doanh nghi\u1ec7p v\u00e0 t\u1ea1o l\u1ee3i th\u1ebf c\u1ea1nh tranh trong ngh\u1ec1.<\/p>\n
T\u1ea1m k\u1ebft<\/strong><\/h2>\n
C\u1ea3 Excel v\u00e0 Power BI \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong ph\u00e2n t\u00edch v\u00e0 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u. Excel mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u nh\u1ecf c\u00f9ng nhu c\u1ea7u b\u00e1o c\u00e1o t\u00f9y ch\u1ec9nh, trong khi Power BI n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn, cung c\u1ea5p ph\u00e2n t\u00edch n\u00e2ng cao v\u00e0 h\u1ed7 tr\u1ee3 x\u00e2y d\u1ef1ng c\u00e1c dashboard t\u01b0\u01a1ng t\u00e1c, t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/p>\n
\u0110\u1ec3 n\u00e2ng cao hi\u1ec3u bi\u1ebft v\u00e0 k\u1ef9 n\u0103ng s\u1eed d\u1ee5ng hai c\u00f4ng c\u1ee5 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o m\u1ed9t s\u1ed1 kh\u00f3a h\u1ecdc ch\u00ednh h\u00e3ng c\u1ee7a Microsoft sau tr\u00ean Trainocate Vietnam:<\/p>\n
- \n
- PL-300: Microsoft Power BI Data Analyst:<\/a> K\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft trong Power BI \u0111\u1ec3 chu\u1ea9n b\u1ecb, m\u00f4 h\u00ecnh h\u00f3a v\u00e0 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, ph\u1ee5c v\u1ee5 cho ch\u1ee9ng ch\u1ec9 PL-300 Data Analyst.<\/li>\n
- Excel Foundation:<\/a> Trang b\u1ecb c\u00e1c k\u1ef9 n\u0103ng n\u1ec1n t\u1ea3ng trong Excel, t\u1eeb chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u, vi\u1ebft c\u00f4ng th\u1ee9c \u0111\u1ebfn t\u1ea1o tr\u1ef1c quan h\u00f3a, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u kinh nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n
- DP-900<\/a> v\u00e0 AI-900<\/a>: Cung c\u1ea5p n\u1ec1n t\u1ea3ng v\u1ec1 d\u1eef li\u1ec7u, AI v\u00e0 h\u1ec7 sinh th\u00e1i Microsoft, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/li>\n<\/ul>\n
\n\n\n\n\n\nTh\u00f4ng qua vi\u1ec7c tham gia c\u00e1c kh\u00f3a h\u1ecdc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 khai th\u00e1c t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a c\u1ea3 Excel v\u00e0 Power BI, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean d\u1eef li\u1ec7u trong c\u00f4ng vi\u1ec7c.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
Trong qu\u00e1 tr\u00ecnh h\u1ecdc Data Analyst, ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng kh\u00e1 b\u1ed1i r\u1ed1i v\u1edbi th\u1ebf gi\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 gi\u1eefa hai c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn l\u00e0 Excel v\u00e0 Power BI. Excel t\u1eeb l\u00e2u \u0111\u00e3 tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch d\u1eef li\u1ec7u c\u01a1 b\u1ea3n m\u00e0 h\u1ea7u h\u1ebft doanh nghi\u1ec7p […]<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10771","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/comments?post=10771"}],"version-history":[{"count":4,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771\/revisions"}],"predecessor-version":[{"id":10783,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/posts\/10771\/revisions\/10783"}],"wp:attachment":[{"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/media?parent=10771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/categories?post=10771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vtiedu.click\/index.php\/wp-json\/wp\/v2\/tags?post=10771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- Excel Foundation:<\/a> Trang b\u1ecb c\u00e1c k\u1ef9 n\u0103ng n\u1ec1n t\u1ea3ng trong Excel, t\u1eeb chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u, vi\u1ebft c\u00f4ng th\u1ee9c \u0111\u1ebfn t\u1ea1o tr\u1ef1c quan h\u00f3a, ph\u00f9 h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u kinh nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3.<\/li>\n
- PL-300: Microsoft Power BI Data Analyst:<\/a> K\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft trong Power BI \u0111\u1ec3 chu\u1ea9n b\u1ecb, m\u00f4 h\u00ecnh h\u00f3a v\u00e0 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u, ph\u1ee5c v\u1ee5 cho ch\u1ee9ng ch\u1ec9 PL-300 Data Analyst.<\/li>\n
- Ng\u01b0\u1ee3c l\u1ea1i, Power BI \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n. C\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u1edf quy m\u00f4 l\u1edbn m\u00e0 Excel kh\u00f3 \u0111\u00e1p \u1ee9ng.<\/li>\n<\/ul>\n
- Excel ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u nh\u1ecf \u0111\u1ebfn trung b\u00ecnh v\u00e0 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thao t\u00e1c tr\u1ef1c ti\u1ebfp tr\u00ean t\u1eebng \u00f4 d\u1eef li\u1ec7u. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi m\u1edbi h\u1ecdc Data Analyst<\/strong> d\u1ec5 d\u00e0ng hi\u1ec3u c\u00e1ch d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c v\u00e0 x\u1eed l\u00fd. Tuy nhi\u00ean, khi d\u1eef li\u1ec7u tr\u1edf n\u00ean qu\u00e1 l\u1edbn, Excel c\u00f3 th\u1ec3 g\u1eb7p h\u1ea1n ch\u1ebf v\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u n\u00e2ng cao:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o bi\u1ec3u \u0111\u1ed3, b\u1ea3n \u0111\u1ed3, KPI, v\u00e0 dashboard t\u01b0\u01a1ng t\u00e1c, gi\u00fap d\u1ec5 d\u00e0ng ph\u00e1t hi\u1ec7n xu h\u01b0\u1edbng, m\u1ed1i quan h\u1ec7 v\u00e0 insight t\u1eeb d\u1eef li\u1ec7u.<\/li>\n
- K\u1ebft n\u1ed1i d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n:<\/strong> Power BI c\u00f3 th\u1ec3 l\u1ea5y d\u1eef li\u1ec7u t\u1eeb Excel, SQL Server, c\u00e1c d\u1ecbch v\u1ee5 web, v\u00e0 nhi\u1ec1u ngu\u1ed3n kh\u00e1c, gi\u00fap ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p d\u1ec5 d\u00e0ng.<\/li>\n
- Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u:<\/strong> Excel cho ph\u00e9p hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u tr\u1ef1c quan ch\u1ec9 v\u1edbi v\u00e0i thao t\u00e1c, gi\u00fap vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u trong b\u00e1o c\u00e1o ho\u1eb7c dashboard tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/li>\n