{"id":931,"date":"2021-08-27T09:51:08","date_gmt":"2021-08-27T09:51:08","guid":{"rendered":"https:\/\/timviecbatdongsan.com\/blog\/?p=931"},"modified":"2021-08-27T09:52:13","modified_gmt":"2021-08-27T09:52:13","slug":"ngon-ngu-lap-trinh-big-data","status":"publish","type":"post","link":"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/","title":{"rendered":"Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Big Data. Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer"},"content":{"rendered":"\n<p>L\u1eadp tr\u00ecnh big data \u0111\u00e3 th\u1ef1c s\u1ef1 l\u00e0 ng\u00e0nh c\u00f3 nhu c\u1ea7u cao v\u00e0 thu nh\u1eadp \u0111\u1ee9ng \u0111\u1ea7u trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 4.0. V\u00ec nh\u1eefng \u1ee9ng d\u1ee5ng to l\u1edbn m\u00e0 n\u00f3 \u0111em l\u1ea1i, h\u1ecdc l\u1eadp tr\u00ecnh big data \u0111ang tr\u1edf th\u00e0nh xu h\u01b0\u1edbng c\u1ee7a c\u00e1c data developer &#8211; c\u00e1c nh\u00e0 l\u1eadp tr\u00ecnh d\u1eef li\u1ec7u. V\u1eady mu\u1ed1n h\u1ecdc v\u1ec1 ng\u00e0nh c\u00f4ng ngh\u1ec7 n\u00e0y, tr\u01b0\u1edbc ti\u00ean ph\u1ea3i h\u1ecdc v\u1ec1 <a href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/\" target=\"_blank\" rel=\"noreferrer noopener\">ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data l\u00e0 g\u00ec?<\/a> M\u1ed9t data developer c\u1ea7n c\u00f3 k\u1ef9 n\u0103ng n\u00e0o \u0111\u1ec3 l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c n\u00e0y? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y t\u1eeb <a href=\"https:\/\/topviecit.vn\/\" target=\"_blank\" rel=\"noreferrer noopener\">topviecit.vn<\/a> nh\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/timviecbatdongsan.com\/blog\/wp-content\/uploads\/2021\/08\/data-science-language-1.png\" alt=\"<!-- wp:paragraph --&gt;\n<p&gt;<em&gt;C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/em&gt;<\/p&gt;\n<!-- \/wp:paragraph --&gt;\" class=\"wp-image-933\" width=\"800\" height=\"500\"\/><figcaption><em>C\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_72 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Ngon_ngu_lap_trinh_big_data\" title=\"Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data\">Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Python\" title=\"Python\">Python<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#R\" title=\"R\">R<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Scala\" title=\"Scala\">Scala<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Java\" title=\"Java\">Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#SQL_Structured_Query_Language\" title=\"SQL (Structured Query Language)\">SQL (Structured Query Language)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Nhung_ky_nang_can_co_cua_big_data_developer\" title=\"Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer\">Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Ky_nang_phan_tich\" title=\"K\u1ef9 n\u0103ng ph\u00e2n t\u00edch\">K\u1ef9 n\u0103ng ph\u00e2n t\u00edch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Toan_hoc_xac_suat\" title=\"To\u00e1n h\u1ecdc x\u00e1c su\u1ea5t\">To\u00e1n h\u1ecdc x\u00e1c su\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Ky_nang_dat_ten_dinh_danh_cho_du_lieu\" title=\"K\u1ef9 n\u0103ng \u0111\u1eb7t t\u00ean (\u0111\u1ecbnh danh) cho d\u1eef li\u1ec7u\">K\u1ef9 n\u0103ng \u0111\u1eb7t t\u00ean (\u0111\u1ecbnh danh) cho d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Co_tu_duy_lap_trinh\" title=\"C\u00f3 t\u01b0 duy l\u1eadp tr\u00ecnh\">C\u00f3 t\u01b0 duy l\u1eadp tr\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Kha_nang_giao_tiep\" title=\"Kh\u1ea3 n\u0103ng giao ti\u1ebfp\">Kh\u1ea3 n\u0103ng giao ti\u1ebfp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/timviecbatdongsan.com\/blog\/ngon-ngu-lap-trinh-big-data\/#Tam_ket\" title=\"T\u1ea1m k\u1ebft\">T\u1ea1m k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ngon_ngu_lap_trinh_big_data\"><\/span><strong>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>H\u01a1n 250 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Tuy nhi\u00ean n\u00ean ch\u1ecdn ng\u00f4n ng\u1eef n\u00e0o \u0111\u1ec3 l\u1eadp tr\u00ecnh gi\u00fap cho c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea7n m\u1ec1m c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u nh\u1ea5t? \u0110\u00e2y c\u0169ng ch\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng th\u1eed th\u00e1ch trong c\u00f4ng vi\u1ec7c m\u00e0 c\u00e1c data developer th\u01b0\u1eddng g\u1eb7p. Tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi n\u00e0y, m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data d\u01b0\u1edbi \u0111\u00e2y s\u1ebd ph\u1ee5c v\u1ee5 t\u1ed1t nh\u1ea5t cho b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python\"><\/span><strong>Python<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Theo k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t, 84% c\u00e1c big data developer \u0111\u00e1nh gi\u00e1 Python l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh l\u00fd t\u01b0\u1edfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00e0 d\u1ec5 h\u1ecdc nh\u1ea5t. Python cho ph\u00e9p c\u00e1c nh\u00e0 l\u1eadp tr\u00ecnh big data ph\u00e1t tri\u1ec3n nh\u1eefng m\u00f4 h\u00ecnh d\u1eef li\u1ec7u ph\u1ee9c t\u1ea1p v\u1edbi t\u00ednh \u1ed5n \u0111\u1ecbnh, kh\u1ea3 n\u0103ng \u0111\u1ecdc m\u00e3, modun h\u00f3a. Do \u0111\u00f3, Python linh ho\u1ea1t \u0111\u1ec3 c\u00e1c d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/timviecbatdongsan.com\/blog\/wp-content\/uploads\/2021\/08\/Python-programming-language-feature-image.jpeg\" alt=\"Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Python \" class=\"wp-image-936\" width=\"800\" height=\"500\"\/><figcaption>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Python <\/figcaption><\/figure><\/div>\n\n\n\n<p>Ngo\u00e0i ra, Python c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u00e1t tri\u1ec3n web v\u00e0 GUI. Python c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 trong ng\u00e0nh khoa h\u1ecdc d\u1eef li\u1ec7u. Ng\u00f4n ng\u1eef n\u00e0y cung c\u1ea5p h\u1ed7 tr\u1ee3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c d\u1eef li\u1ec7u cho nhi\u1ec1u th\u01b0 vi\u1ec7n h\u1ecdc s\u00e2u nh\u01b0 c\u00f4ng c\u1ee5 Tensorflow, Keras, scikit-learn,&#8230;&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"R\"><\/span><strong>R<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>R l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t cho t\u00ednh to\u00e1n th\u1ed1ng k\u00ea. \u0110\u00e2y c\u0169ng l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 th\u1ed1ng k\u00ea hay data developer s\u1eed d\u1ee5ng. R h\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0: Excel, Minitab, CSV, t\u1ec7p v\u0103n b\u1ea3n, SPSS,&#8230; \u0110\u01b0\u1ee3c v\u00ed nh\u01b0 m\u1ed9t h\u1ec7 sinh th\u00e1i th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh to\u00e1n th\u1ed1ng k\u00ea, x\u1eed l\u00fd d\u1eef li\u1ec7u, m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc,&#8230; R cho ph\u00e9p c\u00e1c nh\u00e0 l\u1eadp tr\u00ecnh l\u00e0m vi\u1ec7c tr\u00ean \u0111a n\u1ec1n t\u1ea3ng tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Scala\"><\/span><strong>Scala<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>N\u0103m 2004, l\u1ea7n \u0111\u1ea7u ti\u00ean Scala \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 ch\u1ea1y tr\u00ean JVM (Java Virtual Machine) m\u1edf r\u1ed9ng t\u1eeb ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Java. \u0110\u00e2y l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh m\u1ea1nh v\u1edbi c\u00e1c t\u00ednh n\u0103ng ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u m\u1ee5c \u0111\u00edch. S\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c \u0111a m\u00f4 h\u00ecnh nh\u01b0 object-oriented hay functional \u0111\u1ec1u c\u00f3 th\u1ec3 d\u00f9ng \u0111\u01b0\u1ee3c.&nbsp;<\/p>\n\n\n\n<p>\u0110i\u1ec3m y\u1ebfu duy nh\u1ea5t c\u1ee7a ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0y l\u00e0 n\u00f3 r\u1ea5t ph\u1ee9c t\u1ea1p \u0111\u1ec3 c\u00f3 th\u1ec3 l\u00e0 ng\u00f4n ng\u1eef \u0111\u1ea7u ti\u00ean b\u1ea1n ch\u1ecdn \u0111\u1ec3 h\u1ecdc. Tuy nhi\u00ean, Scala v\u1eabn l\u00e0 m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng khi l\u00e0m vi\u1ec7c v\u00e0 x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nh\u01b0 big data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Java\"><\/span><strong>Java<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Java l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn l\u00e2u \u0111\u1eddi nh\u1ea5t, \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t trong m\u1ecdi n\u1ec1n c\u00f4ng nghi\u1ec7p. Hive, Spark hay Hadoop \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 c\u00f4ng c\u1ee5 big data n\u1ed5i ti\u1ebfng \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh b\u1eb1ng Java. S\u1eed d\u1ee5ng Java, c\u00e1c framework gi\u1ed1ng nh\u01b0 Hadoop \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng. Ngo\u00e0i ra, \u0111\u00e2y l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u00f3 l\u01b0\u1ee3ng l\u1edbn th\u01b0 vi\u1ec7n v\u00e0 c\u00f4ng c\u1ee5 nh\u01b0 Weka, Java-ML, MLlib v\u00e0 Deeplearning4j,&#8230; V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1eed d\u1ee5ng.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SQL_Structured_Query_Language\"><\/span><strong><em>SQL (Structured Query Language)<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/timviecbatdongsan.com\/blog\/wp-content\/uploads\/2021\/08\/sql.jpeg\" alt=\"SQL (Structured Query Language)\" class=\"wp-image-937\" width=\"800\" height=\"500\"\/><figcaption><meta charset=\"utf-8\"><strong><em>SQL (Structured Query Language)<\/em><\/strong><\/figcaption><\/figure><\/div>\n\n\n\n<p>SQL l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u v\u1edbi ng\u00e0nh l\u1eadp tr\u00ecnh big data. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 l\u00e2u t\u1eeb n\u0103m 1974, SQL nh\u01b0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong m\u1ecdi ho\u1ea1t \u0111\u1ed9ng data sciences. \u0110\u00e2y l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 qu\u1ea3n l\u00fd l\u01b0u tr\u1eef, tr\u00edch xu\u1ea5t v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, SQL ch\u1ec9 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u1eed l\u00fd d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac. C\u00f3 ngh\u0129a l\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u c\u1ee7a SQL kh\u00e1 h\u1ea1n ch\u1ebf, ng\u00f4n ng\u1eef n\u00e0y ch\u1ec9 ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u01b0 t\u1ed5ng h\u1ee3p, c\u1ed9ng, \u0111\u1ebfm v\u00e0 t\u00ednh s\u1ed1 trung b\u00ecnh cho d\u1eef li\u1ec7u. V\u00ec v\u1eady, n\u1ebfu mu\u1ed1n ph\u00e1t tri\u1ec3n v\u00e0 ph\u00e2n t\u00edch, t\u1ea1o l\u1eadp \u0111\u01b0\u1ee3c nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh t\u1ed1i \u01b0u c\u00f3 l\u1ebd c\u00e1c nh\u00e0 big data developer n\u00ean h\u1ecdc th\u00eam nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c n\u1eefa.&nbsp;<\/p>\n\n\n\n<p>Ngo\u00e0i nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh tr\u00ean, c\u00e1c Dev. c\u0169ng c\u00f3 th\u1ec3 h\u1ecdc th\u00eam ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cho big data ph\u1ed5 bi\u1ebfn kh\u00e1c nh\u01b0: C++,Perl, Ruby,&#8230; Tuy nhi\u00ean, nh\u1eefng ng\u00f4n ng\u1eef n\u00e0y ch\u01b0a th\u1eadt s\u1ef1 t\u1ed1i \u01b0u h\u00f3a b\u1eb1ng c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh k\u1ec3 tr\u00ean khi \u1ee9ng d\u1ee5ng v\u00e0o l\u1eadp tr\u00ecnh c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea7n m\u1ec1m.&nbsp;<\/p>\n\n\n\n<p><strong><em>>>> Xem th\u00eam: <a href=\"https:\/\/timviecbatdongsan.com\/blog\/full-stack-developer-la-gi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Full Stack Developer L\u00e0 G\u00ec? L\u00e0m Sao \u0110\u1ec3 Tr\u1edf Th\u00e0nh M\u1ed9t Full Stack Developer<\/a><\/em><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhung_ky_nang_can_co_cua_big_data_developer\"><\/span><strong>Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>L\u00e0 m\u1ed9t big data developer, chuy\u00ean m\u00f4n trong l\u1eadp tr\u00ecnh big data l\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng th\u1ec3 b\u00e0n c\u00e3i. Tuy nhi\u00ean, m\u1ed9t big data developer c\u0169ng c\u1ea7n c\u00f3 nh\u1eefng k\u1ef9 n\u0103ng sau \u0111\u1ec3 c\u00f4ng vi\u1ec7c thu\u1eadn l\u1ee3i h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ky_nang_phan_tich\"><\/span><strong>K\u1ef9 n\u0103ng ph\u00e2n t\u00edch<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>R\u00f5 r\u00e0ng khi nh\u1eafc t\u1edbi \u201cBig Data\u201d, ph\u00e2n t\u00edch ch\u00ednh l\u00e0 k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a m\u1ed9t Dev. Vi\u1ec7c l\u1ef1a ch\u1ecdn ra nh\u1eefng d\u1eef li\u1ec7u quan tr\u1ecdng trong h\u00e0ng t\u00e1 d\u1eef li\u1ec7u c\u00f3 li\u00ean quan \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 b\u1ea1n \u0111ang quan t\u00e2m v\u00e0 x\u1eed l\u00fd ch\u00fang \u0111\u1ec3 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/timviecbatdongsan.com\/blog\/wp-content\/uploads\/2021\/08\/tn-1-1330x800.jpeg\" alt=\"M\u1ed9t big data developer ngo\u00e0i chuy\u00ean m\u00f4n v\u1eefng c\u1ea7n c\u00f3 nhi\u1ec1u k\u1ef9 n\u0103ng kh\u00e1c\" class=\"wp-image-938\" width=\"800\" height=\"500\"\/><figcaption><em>M\u1ed9t big data developer ngo\u00e0i chuy\u00ean m\u00f4n v\u1eefng c\u1ea7n c\u00f3 nhi\u1ec1u k\u1ef9 n\u0103ng kh\u00e1c<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Toan_hoc_xac_suat\"><\/span><strong><em>To\u00e1n h\u1ecdc x\u00e1c su\u1ea5t<\/em><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>M\u1ed9t Dev. th\u00f4ng th\u1ea1o v\u1ec1 to\u00e1n h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 x\u00e1c su\u1ea5t s\u1ebd c\u00f3 th\u1ebf m\u1ea1nh r\u1ea5t l\u1edbn trong ng\u00e0nh big data. B\u1edfi nh\u1eefng d\u1eef li\u1ec7u trong ng\u00e0nh n\u00e0y \u0111\u1ec1u \u1edf d\u1ea1ng s\u1ed1, n\u1eb7ng v\u1ec1 to\u00e1n h\u1ecdc. C\u00e1c ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd ch\u00fang c\u0169ng kh\u00f4ng n\u1eb1m ngo\u00e0i s\u1ef1 t\u00ednh to\u00e1n, x\u00e1c su\u1ea5t \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ky_nang_dat_ten_dinh_danh_cho_du_lieu\"><\/span><strong>K\u1ef9 n\u0103ng \u0111\u1eb7t t\u00ean (\u0111\u1ecbnh danh) cho d\u1eef li\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nh\u1eefng \u0111o\u1ea1n code, d\u1eef li\u1ec7u m\u00e0 b\u1ea1n x\u00e2y d\u1ef1ng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c s\u1ea3n ph\u1ea9m d\u01b0\u1eddng nh\u01b0 \u0111\u1ec1u kh\u00f4ng th\u1ec3 th\u1ea5y. M\u1ed7i l\u1ea7n b\u1ea1n vi\u1ebft code l\u00e0 m\u1ed9t l\u1ea7n \u0111\u1eb7t t\u00ean cho th\u00e0nh ph\u1ea7n \u1ea5y. V\u00ec v\u1eady, m\u1ed9t Dev. c\u1ea7n c\u00f3 k\u1ef9 n\u0103ng \u0111\u1ecbnh danh t\u1ed1t. Kh\u00f4ng nh\u1eefng \u0111\u1ec3 gi\u00fap b\u1ea1n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c r\u00e0nh m\u1ea1ch c\u00e1c th\u00e0nh ph\u1ea7n m\u00e0 c\u00f2n t\u01b0\u01a1ng tr\u1ee3, gi\u00fap \u0111\u1ed3ng \u0111\u1ed9i c\u1ee7a b\u1ea1n hi\u1ec3u s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c chung.<\/p>\n\n\n\n<p>M\u1ed9t Dev. th\u00e0nh c\u00f4ng l\u00e0 khi ng\u01b0\u1eddi kh\u00e1c \u0111\u1ecdc v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c m\u00e3 code c\u1ee7a b\u1ea1n. \u0110\u1ec3 trau d\u1ed3i k\u1ef9 n\u0103ng n\u00e0y, b\u1ea1n n\u00ean th\u1ef1c h\u00e0nh nhi\u1ec1u \u0111\u1ec3 \u0111\u1eb7t t\u00ean c\u00e1c m\u00e3 code kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_tu_duy_lap_trinh\"><\/span><strong>C\u00f3 t\u01b0 duy l\u1eadp tr\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>C\u00f3 t\u01b0 duy l\u1eadp tr\u00ecnh l\u00e0 m\u1ed9t trong nh\u1eefng t\u00e0i s\u1ea3n l\u1edbn nh\u1ea5t khi b\u1ea1n l\u00e0m m\u1ed9t big data developer. \u0110\u00e2y s\u1ebd l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 b\u1ea1n ph\u00e1t tri\u1ec3n s\u1ef1 nghi\u1ec7p t\u01b0\u01a1ng lai. \u0110\u1ec3 r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng n\u00e0y kh\u00f4ng kh\u00f3, mi\u1ec5n l\u00e0 b\u1ea1n s\u1eb5n s\u00e0ng tr\u1ea3i nghi\u1ec7m v\u00e0 kh\u00f4ng ng\u1ea1i th\u1eed.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kha_nang_giao_tiep\"><\/span><strong>Kh\u1ea3 n\u0103ng giao ti\u1ebfp<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Giao ti\u1ebfp l\u00e0 k\u1ef9 n\u0103ng m\u00e0 h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh ngh\u1ec1 \u0111\u1ec1u c\u1ea7n. B\u1ea1n ngh\u0129 m\u1ed9t Dev. ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o t\u00ecm hi\u1ec3u v\u00e0 ng\u00f4i vi\u1ebft code? Ch\u01b0a \u0111\u00fang. Trong c\u00e1c c\u00f4ng vi\u1ec7c li\u00ean quan \u0111\u1ebfn d\u1eef li\u1ec7u nh\u01b0 Big Data, m\u1ed9t Dev. c\u1ea7n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n \u0111\u1ea1t, giao ti\u1ebfp \u0111\u1ec3 \u0111\u01b0a c\u00e1c gi\u1ea3i ph\u00e1p, k\u1ebft qu\u1ea3, c\u0169ng nh\u01b0 lu\u1eadn \u0111i\u1ec3m c\u1ee7a m\u00ecnh v\u1edbi \u0111\u1ed3ng nghi\u1ec7p \u0111\u1ec3 c\u00f9ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/timviecbatdongsan.com\/blog\/wp-content\/uploads\/2021\/08\/pexels-photo-6804084-1200x800.jpeg\" alt=\"Big data developer nh\u01b0 m\u1ed9t \u201cphi\u00ean d\u1ecbch vi\u00ean\u201d c\u1ee7a c\u00e1c d\u1eef li\u1ec7u\" class=\"wp-image-939\" width=\"800\" height=\"500\"\/><figcaption><em>Big data developer nh\u01b0 m\u1ed9t \u201cphi\u00ean d\u1ecbch vi\u00ean\u201d c\u1ee7a c\u00e1c d\u1eef li\u1ec7u<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>H\u00e3y nh\u1edb r\u1eb1ng m\u1ed9t Dev. l\u00e0m vi\u1ec7c \u0111\u1ec3 \u201cd\u1ecbch\u201d c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh th\u00e0nh nh\u1eefng th\u00f4ng \u0111i\u1ec7p ho\u00e0n ch\u1ec9nh gi\u00fap \u0111\u1ed3ng nghi\u1ec7p v\u00e0 c\u1ea5p tr\u00ean hi\u1ec3u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tam_ket\"><\/span>T\u1ea1m k\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh big data c\u00f3 nh\u1eefng g\u00ec? Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n c\u00f3 c\u1ee7a big data developer l\u00e0 g\u00ec? H\u00e3y c\u00f9ng tham kh\u1ea3o nh\u1eefng th\u00f4ng tin \u0111\u00e3 \u0111\u01b0\u1ee3c TopCV t\u1ed5ng h\u1ee3p \u1edf b\u00e0i vi\u1ebft tr\u00ean nh\u00e9. Hy v\u1ecdng nh\u1eefng th\u00f4ng tin tr\u00ean s\u1ebd h\u1eefu \u00edch v\u1edbi c\u00e1c b\u1ea1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi nh\u1eefng b\u1ea1n tr\u1ebb \u0111ang t\u00ecm hi\u1ec3u v\u1ec1 big data v\u00e0 ng\u00e0nh c\u00f4ng ngh\u1ec7 IT.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-right\">Ngu\u1ed3n \u1ea3nh: S\u01b0u t\u1ea7m <\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1eadp tr\u00ecnh big data \u0111\u00e3 th\u1ef1c s\u1ef1 l\u00e0 ng\u00e0nh c\u00f3 nhu c\u1ea7u cao v\u00e0 thu nh\u1eadp \u0111\u1ee9ng \u0111\u1ea7u trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 4.0. V\u00ec nh\u1eefng \u1ee9ng d\u1ee5ng to l\u1edbn m\u00e0 n\u00f3 \u0111em l\u1ea1i, h\u1ecdc l\u1eadp tr\u00ecnh big data \u0111ang tr\u1edf th\u00e0nh xu h\u01b0\u1edbng c\u1ee7a c\u00e1c data developer &#8211; c\u00e1c nh\u00e0 l\u1eadp tr\u00ecnh d\u1eef li\u1ec7u. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":932,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[149,146,148,147],"class_list":["post-931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-hoc-lap-trinh-big-data","tag-lap-trinh-big-data","tag-ngon-ngu-lap-trinh-big-data","tag-ngon-ngu-lap-trinh-cho-big-data"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Big Data. 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