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Ch\u1eb3ng h\u1ea1n nh\u01b0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ee5c ti\u00eau khoa h\u1ecdc c\u1ee7a d\u1ef1 \u00e1n l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u01b0\u1edbc ti\u1ebfp theo c\u1ea7n th\u1ef1c hi\u1ec7n khi c\u00f3 \u0111\u1ee7 d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ti\u1ebfn h\u00e0nh d\u1ef1 \u0111o\u00e1n hay t\u00ednh to\u00e1n v\u1edbi d\u1eef li\u1ec7u khoa h\u1ecdc?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u2026<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Nh\u1eefng c\u00e2u h\u1ecfi n\u00e0y gi\u1ed1ng nh\u01b0 ph\u1ea7n khung, sau khi \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi chi ti\u1ebft h\u00f3a b\u1eb1ng c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng, c\u1ee5 th\u1ec3 h\u01a1n. C\u00e1c b\u1ed9 ph\u1eadn li\u00ean quan theo \u0111\u00f3 s\u1ebd d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nhi\u1ec7m v\u1ee5 ti\u1ebfp theo.<\/span><\/p>\n<h3><span id=\"32_Thu_Thap_Du_Lieu\"><b>3.2. Thu Th\u1eadp D\u1eef Li\u1ec7u<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u c\u00f3 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n khoa h\u1ecdc. L\u01b0\u1ee3ng d\u1eef li\u1ec7u c\u00e0ng l\u1edbn, qu\u00e1 tr\u00ecnh tri\u1ec3n khai c\u00e0ng \u0111\u01b0\u1ee3c di\u1ec5n ra tr\u01a1n tru, m\u1ea1ch l\u1ea1c h\u01a1n. M\u1ed7i d\u1ef1 \u00e1n th\u01b0\u1eddng c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t n\u00ean kh\u00f4ng th\u1ec3 chu\u1ea9n b\u1ecb s\u1eb5n d\u1eef li\u1ec7u \u0111\u1ec3 d\u00f9ng \u0111i d\u00f9ng l\u1ea1i. Ch\u00ednh v\u00ec v\u1eady, 1xbet login s\u1ebd ph\u1ea3i d\u00e0nh th\u1eddi gian thu th\u1eadp nhi\u1ec1u m\u1eabu li\u1ec7u ph\u1ee5c v\u1ee5 t\u1eebng d\u1ef1 \u00e1n kh\u00e1c nhau.<\/span><\/p>\n<h3><span id=\"33_Kham_Pha_Du_Lieu\"><b>3.3. Kh\u00e1m Ph\u00e1 D\u1eef Li\u1ec7u<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c ch\u01b0a th\u1ec3 \u0111\u1ecdc hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c ngay. 1xbet login c\u1ea7n d\u00e0nh th\u1eddi gian nghi\u00ean c\u1ee9u, l\u00e0m quen v\u00e0 kh\u00e1m ph\u00e1 nh\u1eefng \u0111\u1eb7c tr\u01b0ng c\u1ee7a ch\u00fang. Trong giai \u0111o\u1ea1n ng\u00e0y, c\u00e1c nh\u00e0 khoa h\u1ecdc m\u00e1y t\u00ednh t\u1eadp trung v\u00e0o kh\u00e1m ph\u00e1 nh\u1eefng \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng th\u00f4ng qua vi\u1ec7c ph\u00e2n t\u00e1ch, t\u1ed5ng h\u1ee3p v\u00e0 ph\u1ea3n bi\u1ec7n v\u1edbi d\u1eef li\u1ec7u.<\/span><\/p>\n<h3><span id=\"34_Lap_Mo_Hinh_Du_Lieu\"><b>3.4. L\u1eadp M\u00f4 H\u00ecnh D\u1eef Li\u1ec7u<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng d\u1eef li\u1ec7u sau khi \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch, t\u1ed5ng h\u1ee3p s\u1ebd th\u1ec3 hi\u1ec7n r\u00f5 \u0111\u1eb7c t\u00ednh. Tuy nhi\u00ean, c\u00e1c xu h\u01b0\u1edbng th\u00ec kh\u00f4ng th\u1ec3 \u01b0\u1edbc t\u00ednh hay ti\u00ean \u0111o\u00e1n \u0111\u01b0\u1ee3c. V\u00ec l\u1ebd \u0111\u00f3, sau khi kh\u00e1m ph\u00e1 d\u1eef li\u1ec7u, c\u00e1c 1xbet login ti\u1ebfp t\u1ee5c m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch logic, r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u nh\u1ea5t c\u00f3 th\u1ec3. Vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap 1xbet login n\u1eafm g\u1ecdn d\u1eef li\u1ec7u trong l\u00f2ng b\u00e0n tay m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1ef1 li\u1ec7u \u0111\u01b0\u1ee3c nhi\u1ec1u v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng, \u0111\u1ed3ng th\u1eddi truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin quan tr\u1ecdng t\u1edbi c\u00e1c b\u00ean li\u00ean quan.<\/span><\/p>\n<h3><span id=\"35_Truyen_Dat_Va_Huu_Hinh_Hoa_Ket_Qua\"><b>3.5. 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Nh\u1eefng K\u1ef9 N\u0103ng C\u1ea7n Thi\u1ebft \u0110\u1ec3 Tr\u1edf Th\u00e0nh 1xbet login<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t 1xbet login chuy\u00ean nghi\u1ec7p, b\u1ea1n c\u1ea7n c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft sau \u0111\u00e2y:<\/span><\/p>\n<figure id=\"attachment_62076\" aria-describedby=\"caption-attachment-62076\" style=\"width: 1600px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" class=\"wp-image-62076 size-full\" src=\"https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science.jpg\" alt=\"H\u1ecdc data science\" width=\"1600\" height=\"900\" srcset=\"https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science.jpg 1600w, https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science-300x169.jpg 300w, https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science-1024x576.jpg 1024w, https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science-150x84.jpg 150w, https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science-768x432.jpg 768w, https:\/\/media-blog.jobsgo.vn\/blog\/wp-content\/uploads\/2023\/01\/Hoc-data-science-1536x864.jpg 1536w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \ alt="1xbet login" /><figcaption id=\"caption-attachment-62076\" class=\"wp-caption-text\"><center><em>Nh\u1eefng k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u1edf th\u00e0nh 1xbet login<\/em><\/center><\/figcaption><\/figure>\n<h3><span id=\"41_Programming\"><b>4.1. 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Th\u01b0 vi\u1ec7n ch\u1ee9a h\u00e0m gi\u00fap qu\u00e1 tr\u00ecnh tri\u1ec3n khai d\u1ef1 \u00e1n nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m th\u1eddi gian h\u01a1n.<\/span><\/p>\n<h3><span id=\"42_SQL_Structured_Query_Language\"><b>4.2. SQL (Structured Query Language)<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1ec1 c\u01a1 b\u1ea3n, SQL l\u00e0 m\u1ed9t lo\u1ea1i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh chuy\u00ean bi\u1ec7t gi\u00fap 1xbet login s\u1eed d\u1ee5ng \u0111\u1ec3 y\u00eau c\u1ea7u v\u00e0 l\u1ecdc th\u00f4ng tin t\u1eeb c\u01a1 s\u1edf d\u1eef li\u1ec7u. SQL mang thi\u00ean h\u01b0\u1edbng truy\u1ec1n th\u1ed1ng n\u00ean c\u00f3 th\u1ec3 k\u00e9m th\u00fa v\u1ecb h\u01a1n so v\u1edbi c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c. Tuy nhi\u00ean, vi\u1ec7c bi\u1ebft \u201cg\u1ed1c r\u1ec5\u201d v\u1ea5n \u0111\u1ec1 bao gi\u1edd c\u0169ng s\u1ebd t\u1ed1t h\u01a1n trong vi\u1ec7c h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c n\u00ean b\u1ea1n \u0111\u1eebng b\u1ecf qua k\u1ef9 n\u0103ng SQL nh\u00e9.<\/span><\/p>\n<h3><span id=\"43_Ky_Nang_Lam_Viec_Voi_Du_Lieu_Phi_Cau_Truc\"><b>4.3. 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M\u1eb7c d\u00f9 h\u1ecdc c\u00e1c ng\u00f4n ng\u1eef n\u00e0y kh\u00e1 kh\u00f4 khan nh\u01b0ng n\u1ebfu n\u1eafm v\u1eefng ch\u00fang th\u00ec con \u0111\u01b0\u1eddng tr\u1edf th\u00e0nh<strong>1xbet login<\/strong>gi\u1ecfi s\u1ebd \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn. 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