{"id":478446,"date":"2023-08-09T09:32:56","date_gmt":"2023-08-09T09:32:56","guid":{"rendered":""},"modified":"2023-09-05T11:16:47","modified_gmt":"2023-09-05T11:16:47","slug":"pivot-table","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/pivot-table\/","title":{"rendered":"B\u1ea3ng t\u1ed5ng h\u1ee3p"},"content":{"rendered":"<p>B\u1ea3ng Pivot l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 x\u1eed l\u00fd d\u1eef li\u1ec7u m\u1ea1nh m\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u1ea7n m\u1ec1m b\u1ea3ng t\u00ednh v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 t\u00f3m t\u1eaft, ph\u00e2n t\u00edch v\u00e0 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p theo c\u00e1ch c\u00f3 c\u1ea5u tr\u00fac v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4 th\u00e0nh nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eafp x\u1ebfp l\u1ea1i v\u00e0 t\u00f3m t\u1eaft th\u00f4ng tin m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 n\u0103ng \u0111\u1ed9ng.<\/p>\n<h2>L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a b\u1ea3ng Pivot v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean nh\u1eafc \u0111\u1ebfn n\u00f3.<\/h2>\n<p>Kh\u00e1i ni\u1ec7m b\u1ea3ng Pivot b\u1eaft ngu\u1ed3n t\u1eeb l\u0129nh v\u1ef1c Business Intelligence trong nh\u1eefng n\u0103m 1970. Vi\u1ec7c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn b\u1ea3ng Pivot l\u1ea7n \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb m\u1ed9t b\u00e0i nghi\u00ean c\u1ee9u c\u00f3 t\u1ef1a \u0111\u1ec1 \u201cV\u1ec1 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u \u0111a chi\u1ec1u\u201d c\u1ee7a J. Mecker v\u00e0 H. Landau v\u00e0o n\u0103m 1977. Tuy nhi\u00ean, ph\u1ea3i \u0111\u1ebfn nh\u1eefng n\u0103m 1990, ch\u00fang m\u1edbi tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i. v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a ph\u1ea7n m\u1ec1m b\u1ea3ng t\u00ednh nh\u01b0 Microsoft Excel, c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3ng Pivot t\u00edch h\u1ee3p s\u1eb5n.<\/p>\n<h2>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 b\u1ea3ng Pivot. M\u1edf r\u1ed9ng b\u1ea3ng Pivot ch\u1ee7 \u0111\u1ec1.<\/h2>\n<p>V\u1ec1 c\u01a1 b\u1ea3n, b\u1ea3ng Pivot cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch \u0111a chi\u1ec1u m\u00e0 kh\u00f4ng c\u1ea7n l\u1eadp tr\u00ecnh ph\u1ee9c t\u1ea1p ho\u1eb7c truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4 th\u00e0nh nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 \u00fd ngh\u0129a b\u1eb1ng c\u00e1ch h\u1ed7 tr\u1ee3 c\u00e1c h\u00e0nh \u0111\u1ed9ng sau:<\/p>\n<ol>\n<li>\n<p><strong>T\u00f3m t\u1eaft d\u1eef li\u1ec7u:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 nhanh ch\u00f3ng t\u00f3m t\u1eaft c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0m kh\u00e1c nhau nh\u01b0 t\u1ed5ng, trung b\u00ecnh, \u0111\u1ebfm, v.v. tr\u00ean d\u1eef li\u1ec7u \u0111\u00e3 ch\u1ecdn.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ed5 ch\u1ee9c l\u1ea1i d\u1eef li\u1ec7u:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eafp x\u1ebfp l\u1ea1i c\u00e1c h\u00e0ng v\u00e0 c\u1ed9t \u0111\u1ec3 kh\u00e1m ph\u00e1 d\u1eef li\u1ec7u t\u1eeb c\u00e1c g\u00f3c \u0111\u1ed9 v\u00e0 th\u1ee9 b\u1eadc kh\u00e1c nhau, gi\u00fap x\u00e1c \u0111\u1ecbnh xu h\u01b0\u1edbng v\u00e0 m\u1eabu d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<\/li>\n<li>\n<p><strong>L\u1ecdc d\u1eef li\u1ec7u:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p cung c\u1ea5p kh\u1ea3 n\u0103ng l\u1ecdc d\u1eef li\u1ec7u d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed c\u1ee5 th\u1ec3, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1eadp trung v\u00e0o th\u00f4ng tin li\u00ean quan.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u00f3m d\u1eef li\u1ec7u:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u00f3m d\u1eef li\u1ec7u theo danh m\u1ee5c, ng\u00e0y th\u00e1ng ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c hi\u1ec3u v\u1ec1 m\u1ed1i quan h\u1ec7 d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>Tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u t\u00f3m t\u1eaft d\u01b0\u1edbi d\u1ea1ng bi\u1ec3u \u0111\u1ed3 v\u00e0 \u0111\u1ed3 th\u1ecb, gi\u00fap hi\u1ec3u d\u1eef li\u1ec7u t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a b\u1ea3ng Pivot. C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ea3ng Pivot.<\/h2>\n<p>B\u1ea3ng Pivot bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i:<\/p>\n<ol>\n<li>\n<p><strong>Nh\u00e3n h\u00e0ng:<\/strong> (C\u00e1c) tr\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0ng trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>Nh\u00e3n c\u1ed9t:<\/strong> (C\u00e1c) tr\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ed9t trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>Gi\u00e1 tr\u1ecb d\u1eef li\u1ec7u:<\/strong> C\u00e1c gi\u00e1 tr\u1ecb s\u1ed1 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft d\u1ef1a tr\u00ean nh\u00e3n h\u00e0ng v\u00e0 c\u1ed9t.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ed9 l\u1ecdc b\u00e1o c\u00e1o:<\/strong> B\u1ed9 l\u1ecdc t\u00f9y ch\u1ecdn cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng gi\u1edbi h\u1ea1n d\u1eef li\u1ec7u hi\u1ec3n th\u1ecb trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<\/ol>\n<p>Khi x\u00e2y d\u1ef1ng b\u1ea3ng Pivot, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 k\u00e9o th\u1ea3 c\u00e1c tr\u01b0\u1eddng v\u00e0o c\u00e1c v\u00f9ng th\u00edch h\u1ee3p \u0111\u1ec3 c\u1ea5u tr\u00fac b\u1ea3ng theo y\u00eau c\u1ea7u ph\u00e2n t\u00edch c\u1ee7a m\u00ecnh. Sau \u0111\u00f3, b\u1ea3ng Pivot s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n v\u00e0 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u t\u00f3m t\u1eaft theo nh\u1eefng thay \u0111\u1ed5i trong c\u00e1ch s\u1eafp x\u1ebfp.<\/p>\n<h2>Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a b\u1ea3ng Pivot.<\/h2>\n<p>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a b\u1ea3ng Pivot bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Uy\u1ec3n chuy\u1ec3n:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p mang \u0111\u1ebfn kh\u1ea3 n\u0103ng linh ho\u1ea1t s\u1eafp x\u1ebfp l\u1ea1i, th\u00eam ho\u1eb7c x\u00f3a c\u00e1c tr\u01b0\u1eddng d\u1eef li\u1ec7u \u0111\u1ec3 thay \u0111\u1ed5i ngay c\u1ea5u tr\u00fac c\u1ee7a b\u1ea3ng v\u00e0 xem d\u1eef li\u1ec7u t\u1eeb c\u00e1c g\u00f3c nh\u00ecn kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>C\u1eadp nh\u1eadt \u0111\u1ed9ng:<\/strong> Khi d\u1eef li\u1ec7u ngu\u1ed3n thay \u0111\u1ed5i, b\u1ea3ng Pivot c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi \u0111\u1ec3 c\u1eadp nh\u1eadt k\u1ebft qu\u1ea3 v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<li>\n<p><strong>Kh\u1ea3 n\u0103ng khoan xu\u1ed1ng:<\/strong> Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111i s\u00e2u v\u00e0o d\u1eef li\u1ec7u t\u00f3m t\u1eaft \u0111\u1ec3 xem c\u00e1c chi ti\u1ebft c\u01a1 b\u1ea3n, h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch chuy\u00ean s\u00e2u.<\/p>\n<\/li>\n<li>\n<p><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 th\u1eddi gian:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian c\u1ea7n thi\u1ebft cho vi\u1ec7c ph\u00e2n t\u00edch v\u00e0 b\u00e1o c\u00e1o d\u1eef li\u1ec7u v\u00ec c\u00e1c ph\u00e9p t\u00ednh ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/p>\n<\/li>\n<li>\n<p><strong>Tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u \u1edf nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng kh\u00e1c nhau nh\u01b0 b\u1ea3ng, bi\u1ec3u \u0111\u1ed3 ho\u1eb7c \u0111\u1ed3 th\u1ecb, n\u00e2ng cao kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u.<\/p>\n<\/li>\n<\/ol>\n<h2>Vi\u1ebft nh\u1eefng lo\u1ea1i b\u1ea3ng Pivot n\u00e0o t\u1ed3n t\u1ea1i. S\u1eed d\u1ee5ng b\u1ea3ng v\u00e0 danh s\u00e1ch \u0111\u1ec3 vi\u1ebft.<\/h2>\n<p>C\u00f3 s\u1eb5n nhi\u1ec1u lo\u1ea1i b\u1ea3ng Pivot kh\u00e1c nhau, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e2n t\u00edch d\u1eef li\u1ec7u \u0111a d\u1ea1ng:<\/p>\n<ol>\n<li>\n<p><strong>B\u1ea3ng t\u1ed5ng h\u1ee3p ti\u00eau chu\u1ea9n:<\/strong> Lo\u1ea1i b\u1ea3ng Pivot ph\u1ed5 bi\u1ebfn nh\u1ea5t cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 t\u00f3m t\u1eaft c\u01a1 b\u1ea3n.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3ng t\u1ed5ng h\u1ee3p nhi\u1ec1u h\u1ee3p nh\u1ea5t:<\/strong> Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng h\u1ee3p nh\u1ea5t d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n ho\u1eb7c b\u1ea3ng t\u00ednh v\u00e0o m\u1ed9t b\u1ea3ng Pivot duy nh\u1ea5t.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3ng t\u1ed5ng h\u1ee3p th\u1ed1ng k\u00ea:<\/strong> Cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng th\u1ed1ng k\u00ea n\u00e2ng cao nh\u01b0 ph\u00e2n t\u00edch h\u1ed3i quy, ph\u01b0\u01a1ng sai, v.v. \u0111\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch d\u1eef li\u1ec7u chuy\u00ean s\u00e2u.<\/p>\n<\/li>\n<li>\n<p><strong>B\u1ea3ng t\u1ed5ng h\u1ee3p m\u1ee5c \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n:<\/strong> Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ea1o c\u00e1c ph\u00e9p t\u00ednh t\u00f9y ch\u1ec9nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c tr\u01b0\u1eddng d\u1eef li\u1ec7u hi\u1ec7n c\u00f3 trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng Pivot, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng.<\/h2>\n<p>B\u1ea3ng t\u1ed5ng h\u1ee3p t\u00ecm th\u1ea5y \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Ph\u00e2n t\u00edch kinh doanh:<\/strong> \u0110\u1ec3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u b\u00e1n h\u00e0ng, ti\u1ebfp th\u1ecb v\u00e0 t\u00e0i ch\u00ednh.<\/p>\n<\/li>\n<li>\n<p><strong>Khai th\u00e1c d\u1eef li\u1ec7u:<\/strong> \u0110\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c m\u1eabu v\u00e0 xu h\u01b0\u1edbng trong t\u1eadp d\u1eef li\u1ec7u l\u1edbn.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho:<\/strong> \u0110\u1ec3 ph\u00e2n t\u00edch v\u00e0 t\u1ed1i \u01b0u h\u00f3a ch\u1ee9ng kho\u00e1n.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u1ea3n l\u00fd d\u1ef1 \u00e1n:<\/strong> \u0110\u1ec3 theo d\u00f5i v\u00e0 gi\u00e1m s\u00e1t ti\u1ebfn \u0111\u1ed9 d\u1ef1 \u00e1n.<\/p>\n<\/li>\n<\/ol>\n<p><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p th\u01b0\u1eddng g\u1eb7p:<\/strong><\/p>\n<ol>\n<li>\n<p><strong>D\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c:<\/strong> X\u00e1c minh ngu\u1ed3n d\u1eef li\u1ec7u \u0111\u1ec3 t\u00ecm l\u1ed7i ho\u1eb7c s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n tr\u01b0\u1edbc khi t\u1ea1o b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1eef li\u1ec7u kh\u00f4ng c\u1eadp nh\u1eadt:<\/strong> L\u00e0m m\u1edbi b\u1ea3ng Pivot \u0111\u1ec3 ph\u1ea3n \u00e1nh nh\u1eefng thay \u0111\u1ed5i trong d\u1eef li\u1ec7u ngu\u1ed3n.<\/p>\n<\/li>\n<li>\n<p><strong>D\u1eef li\u1ec7u b\u1ecb m\u1ea5t:<\/strong> S\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn \u201cHi\u1ec3n th\u1ecb c\u00e1c m\u1ee5c kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u\u201d \u0111\u1ec3 hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 c\u00f3 trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u:<\/strong> \u00c1p d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y ch\u00ednh x\u00e1c.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 c\u00e1c so s\u00e1nh kh\u00e1c v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1 d\u01b0\u1edbi d\u1ea1ng b\u1ea3ng v\u00e0 danh s\u00e1ch.<\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 so s\u00e1nh gi\u1eefa b\u1ea3ng Pivot v\u00e0 c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0111\u1eb7c tr\u01b0ng<\/th>\n<th>B\u1ea3ng t\u1ed5ng h\u1ee3p<\/th>\n<th>Truy v\u1ea5n ch\u00e9o b\u1ea3ng<\/th>\n<th>Bi\u1ec3u \u0111\u1ed3 b\u1ea3ng t\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ngu\u1ed3n d\u1eef li\u1ec7u<\/td>\n<td>C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<td>C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<td>B\u1ea3ng t\u00ednh<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>C\u1eadp nh\u1eadt \u0111\u1ed9ng<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>\u0110\u00fang<\/td>\n<\/tr>\n<tr>\n<td>D\u1eef li\u1ec7u \u0111a chi\u1ec1u<\/td>\n<td>\u0110\u00fang<\/td>\n<td>KH\u00d4NG<\/td>\n<td>KH\u00d4NG<\/td>\n<\/tr>\n<tr>\n<td>T\u00ednh to\u00e1n n\u00e2ng cao<\/td>\n<td>\u0110\u00fang<\/td>\n<td>\u0110\u00fang<\/td>\n<td>Gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 trong t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn b\u1ea3ng Pivot.<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a b\u1ea3ng Pivot \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi s\u1ef1 t\u00edch h\u1ee3p c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u. M\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n ti\u1ec1m n\u0103ng bao g\u1ed3m:<\/p>\n<ol>\n<li>\n<p><strong>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o:<\/strong> C\u00e1c b\u1ea3ng Pivot do AI \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 \u0111\u1ec1 xu\u1ea5t nh\u1eefng th\u00f4ng tin chi ti\u1ebft c\u00f3 li\u00ean quan.<\/p>\n<\/li>\n<li>\n<p><strong>X\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c truy v\u1ea5n b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, gi\u00fap ch\u00fang th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u00edch h\u1ee3p \u0111\u00e1m m\u00e2y:<\/strong> C\u00e1c b\u1ea3ng Pivot d\u1ef1a tr\u00ean \u0111\u00e1m m\u00e2y c\u00f3 th\u1ec3 cho ph\u00e9p c\u1ed9ng t\u00e1c v\u00e0 chia s\u1ebb d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn:<\/strong> B\u1ea3ng t\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u1eadp d\u1eef li\u1ec7u l\u1edbn h\u01a1n v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e2n t\u00edch ph\u1ee9c t\u1ea1p hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi b\u1ea3ng Pivot.<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 b\u1ed5 sung cho c\u00e1c b\u1ea3ng Pivot theo nh\u1eefng c\u00e1ch sau:<\/p>\n<ol>\n<li>\n<p><strong>Quy\u1ec1n ri\u00eang t\u01b0 d\u1eef li\u1ec7u:<\/strong> M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u1ea9n danh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, cung c\u1ea5p th\u00eam l\u1edbp b\u1ea3o m\u1eadt khi l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m trong b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>Qu\u00e9t d\u1eef li\u1ec7u:<\/strong> M\u00e1y ch\u1ee7 proxy cho ph\u00e9p qu\u00e9t d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p v\u00e0 ph\u00e2n t\u00edch b\u1eb1ng b\u1ea3ng Pivot.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u00e2n t\u00edch v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd:<\/strong> Proxy c\u00f3 th\u1ec3 gi\u00fap thu th\u1eadp d\u1eef li\u1ec7u t\u1eeb c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau, n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch d\u1ef1a tr\u00ean v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd b\u1eb1ng c\u00e1c b\u1ea3ng Pivot.<\/p>\n<\/li>\n<\/ol>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 b\u1ea3ng Pivot, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n<ol>\n<li>\n<p><a href=\"https:\/\/support.microsoft.com\/en-us\/office\/create-a-pivottable-to-analyze-worksheet-data-a9a84538-bfe9-40a9-a8e9-f99134456576\" target=\"_new\" rel=\"noopener nofollow\">H\u1ed7 tr\u1ee3 c\u1ee7a Microsoft: T\u1ea1o PivotTable \u0111\u1ec3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u trang t\u00ednh<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.datacamp.com\/community\/tutorials\/pivot-tables-excel\" target=\"_new\" rel=\"noopener nofollow\">DataCamp: B\u1ea3ng t\u1ed5ng h\u1ee3p trong Excel<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/docs.oracle.com\/cd\/E28280_01\/bi.1111\/e10540\/pivot.htm\" target=\"_new\" rel=\"noopener nofollow\">Trung t\u00e2m tr\u1ee3 gi\u00fap c\u1ee7a Oracle: T\u1ea1o b\u1ea3ng t\u1ed5ng h\u1ee3p<\/a><\/p>\n<\/li>\n<li>\n<p><a href=\"https:\/\/www.youtube.com\/watch?v=3wfNl2L0Gf8\" target=\"_new\" rel=\"noopener nofollow\">YouTube: Gi\u1edbi thi\u1ec7u v\u1ec1 B\u1ea3ng t\u1ed5ng h\u1ee3p<\/a><\/p>\n<\/li>\n<\/ol>\n<p>B\u1eb1ng c\u00e1ch n\u1eafm v\u1eefng ngh\u1ec7 thu\u1eadt c\u1ee7a b\u1ea3ng Pivot, c\u00e1c c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p c\u00f3 th\u1ec3 khai th\u00e1c ti\u1ec1m n\u0103ng th\u1ef1c s\u1ef1 c\u1ee7a d\u1eef li\u1ec7u, \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ee3i th\u1ebf c\u1ea1nh tranh trong th\u1ebf gi\u1edbi d\u1ef1a tr\u00ean d\u1eef li\u1ec7u ng\u00e0y nay.<\/p>","protected":false},"featured_media":469169,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478446","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Pivot Table: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is a Pivot table?","answer":"<p>A Pivot table is a powerful data processing tool used in spreadsheet software and databases to summarize, analyze, and present complex data in a structured and user-friendly manner. It allows users to transform raw data into actionable insights by rearranging and summarizing information in a flexible and dynamic way.<\/p>"},{"question":"How did the concept of Pivot tables originate?","answer":"<p>The concept of Pivot tables originated in the field of Business Intelligence during the 1970s. The initial mention of Pivot tables can be traced back to a research paper titled \"On the Visualization of Multi-dimensional Data\" by J. Mecker and H. Landau in 1977. However, it wasn't until the 1990s that they gained widespread popularity with the advent of spreadsheet software like Microsoft Excel, which featured built-in Pivot table functionality.<\/p>"},{"question":"How does a Pivot table work?","answer":"<p>A Pivot table consists of several core components, including row labels, column labels, data values, and an optional report filter. Users can drag and drop fields into the appropriate areas to structure the table according to their analysis requirements. The Pivot table then automatically calculates and updates the summarized data as per the changes in the arrangement.<\/p>"},{"question":"What are the key features of Pivot tables?","answer":"<p>Pivot tables offer flexibility, dynamic updating, drill-down capability, time efficiency, and data presentation options. Users can quickly rearrange, add, or remove data fields to change the table's structure and view data from different perspectives. Pivot tables can also present data in various formats like tables, charts, or graphs, enhancing data visualization.<\/p>"},{"question":"What types of Pivot tables exist?","answer":"<p>There are different types of Pivot tables available, catering to diverse data analysis needs. Standard Pivot tables are the most common and provide basic summarization and analysis capabilities. Multiple Consolidation Pivot tables allow users to consolidate data from multiple sources or worksheets. Statistical Pivot tables offer advanced statistical functions, and Calculated Item Pivot tables enable custom calculations using existing data fields.<\/p>"},{"question":"How can Pivot tables be used, and what are common problems and solutions?","answer":"<p>Pivot tables find application in various fields such as business analysis, data mining, inventory management, and project management. Common problems include incorrect data, data not updating, missing data, and data formatting issues. Solutions involve verifying data sources, refreshing Pivot tables, using \"Show Items with No Data,\" and applying proper formatting.<\/p>"},{"question":"How do Pivot tables compare to similar terms?","answer":"<p>Here's a comparison between Pivot tables, Crosstab Query, and Spreadsheet Charts:<\/p><table><thead><tr><th>Characteristic<\/th><th>Pivot Table<\/th><th>Crosstab Query<\/th><th>Spreadsheet Charts<\/th><\/tr><\/thead><tbody><tr><td>Data Source<\/td><td>Databases<\/td><td>Databases<\/td><td>Spreadsheets<\/td><\/tr><tr><td>Data Aggregation<\/td><td>Yes<\/td><td>Yes<\/td><td>Limited<\/td><\/tr><tr><td>Dynamic Updates<\/td><td>Yes<\/td><td>No<\/td><td>Yes<\/td><\/tr><tr><td>Multidimensional Data<\/td><td>Yes<\/td><td>No<\/td><td>No<\/td><\/tr><tr><td>Advanced Calculations<\/td><td>Yes<\/td><td>Yes<\/td><td>Limited<\/td><\/tr><\/tbody><\/table>"},{"question":"What are the future perspectives and technologies related to Pivot tables?","answer":"<p>The future of Pivot tables is promising, with the integration of advanced technologies and data analytics. Potential developments include AI-driven Pivot tables, natural language processing support, cloud integration, and improved handling of big data analysis.<\/p>"},{"question":"How can proxy servers be associated with Pivot tables?","answer":"<p>Proxy servers can complement Pivot tables by providing an additional layer of data privacy and enabling data scraping from multiple sources, enhancing geolocation-based analysis.<\/p>"},{"question":"Where can I find more information about Pivot tables?","answer":"<p>For more information about Pivot tables, you can refer to the following resources:<\/p><ol><li><p><a href=\"https:\/\/support.microsoft.com\/en-us\/office\/create-a-pivottable-to-analyze-worksheet-data-a9a84538-bfe9-40a9-a8e9-f99134456576\" target=\"_new\">Microsoft Support: Create a PivotTable to analyze worksheet data<\/a><\/p><\/li><li><p><a href=\"https:\/\/www.datacamp.com\/community\/tutorials\/pivot-tables-excel\" target=\"_new\">DataCamp: Pivot Tables in Excel<\/a><\/p><\/li><li><p><a href=\"https:\/\/docs.oracle.com\/cd\/E28280_01\/bi.1111\/e10540\/pivot.htm\" target=\"_new\">Oracle Help Center: Creating Pivot Tables<\/a><\/p><\/li><li><p><a href=\"https:\/\/www.youtube.com\/watch?v=3wfNl2L0Gf8\" target=\"_new\">YouTube: Introduction to Pivot Tables<\/a><\/p><\/li><\/ol>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/478446\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/469169"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=478446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}