{"id":75201,"date":"2025-09-26T10:02:53","date_gmt":"2025-09-26T10:02:53","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=75201"},"modified":"2025-11-01T06:34:43","modified_gmt":"2025-11-01T06:34:43","slug":"15-ibm-db2-quiz-questions-and-answers-vi","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-ibm-db2-quiz-questions-and-answers-vi\/","title":{"rendered":"15 C\u00e2u h\u1ecfi v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a IBM DB2 Quiz"},"content":{"rendered":"<p>IBM DB2 l\u00e0 m\u1ed9t gia \u0111\u00ecnh c\u00e1c s\u1ea3n ph\u1ea9m qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi IBM. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 m\u1ea1nh m\u1ebd v\u00e0 gi\u00e0u t\u00ednh n\u0103ng (RDBMS) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u01b0u tr\u1eef, truy xu\u1ea5t v\u00e0 qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3. DB2 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p \u0111\u1ed9 doanh nghi\u1ec7p kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng quan v\u1ec1 IBM DB2 v\u00e0 c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a n\u00f3:<\/p>\n<p>C\u00f4ng ngh\u1ec7 RDBMS: IBM DB2 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u th\u00e0nh c\u00e1c b\u1ea3ng v\u1edbi c\u00e1c h\u00e0ng v\u00e0 c\u1ed9t, h\u1ed7 tr\u1ee3 SQL (ng\u00f4n ng\u1eef truy v\u1ea5n c\u00f3 c\u1ea5u tr\u00fac) \u0111\u1ec3 thao t\u00e1c v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/p>\n<p>H\u1ed7 tr\u1ee3 n\u1ec1n t\u1ea3ng: DB2 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng, bao g\u1ed3m c\u1ea3 m\u00e1y t\u00ednh l\u1edbn, m\u00e1y ch\u1ee7, m\u00e1y tr\u1ea1m v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y. N\u00f3 cung c\u1ea5p s\u1ef1 linh ho\u1ea1t v\u00e0 t\u00ednh di \u0111\u1ed9ng tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau.<\/p>\n<p>C\u00e1c bi\u1ebfn th\u1ec3: IBM DB2 c\u00f3 c\u00e1c phi\u00ean b\u1ea3n v\u00e0 bi\u1ebfn th\u1ec3 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 DB2 cho Z\/OS (Mainframe), DB2 cho Linux, UNIX v\u00e0 Windows (LUW), DB2 cho c\u00e1c iSeries (tr\u01b0\u1edbc \u0111\u00e2y l\u00e0\/400) v\u00e0 DB2 tr\u00ean \u0111\u00e1m m\u00e2y.<\/p>\n<p>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch SQL: DB2 h\u1ed7 tr\u1ee3 SQL, ng\u00f4n ng\u1eef ti\u00eau chu\u1ea9n \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7. N\u00f3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n truy v\u1ea5n d\u1eef li\u1ec7u, ch\u00e8n, c\u1eadp nh\u1eadt v\u00e0 x\u00f3a d\u1ec5 d\u00e0ng.<\/p>\n<h3>B\u1ea3ng n\u1ed9i dung<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">Ph\u1ea7n 1: OnlineExamMaker &#8211; T\u1ea1o v\u00e0 chia s\u1ebb b\u00e0i ki\u1ec3m tra IBM DB2 v\u1edbi AI t\u1ef1 \u0111\u1ed9ng<\/a><\/li>\n<li><a href=\"#2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi &#038; c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a IBM DB2 Quiz<\/a><\/li>\n<li><a href=\"#3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/ibm-db2.webp\" alt=\"\"\/><\/p>\n<h3 id=\"1\">Ph\u1ea7n 1: OnlineExamMaker &#8211; T\u1ea1o v\u00e0 chia s\u1ebb b\u00e0i ki\u1ec3m tra IBM DB2 v\u1edbi AI t\u1ef1 \u0111\u1ed9ng<\/h3>\n<p>OnlineExamMaker l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng \u0111\u00e1nh gi\u00e1 h\u1ed7 tr\u1ee3 AI m\u1ea1nh m\u1ebd \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u0111\u00e1nh gi\u00e1 k\u1ef9 n\u0103ng IBM DB2 t\u1ef1 \u0111\u1ed9ng. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e0 gi\u00e1o d\u1ee5c, gi\u1ea3ng vi\u00ean, doanh nghi\u1ec7p v\u00e0 b\u1ea5t c\u1ee9 ai mu\u1ed1n t\u1ea1o ra c\u00e1c c\u00e2u \u0111\u1ed1 h\u1ea5p d\u1eabn m\u00e0 kh\u00f4ng d\u00e0nh h\u00e0ng gi\u1edd \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c c\u00e2u h\u1ecfi theo c\u00e1ch th\u1ee7 c\u00f4ng. T\u00ednh n\u0103ng Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI cho ph\u00e9p b\u1ea1n nh\u1eadp m\u1ed9t ch\u1ee7 \u0111\u1ec1 ho\u1eb7c chi ti\u1ebft c\u1ee5 th\u1ec3 v\u00e0 n\u00f3 t\u1ef1 \u0111\u1ed9ng t\u1ea1o ra nhi\u1ec1u lo\u1ea1i c\u00e2u h\u1ecfi.<\/p>\n<p><strong> C\u00e1c t\u00ednh n\u0103ng h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 t\u1ed5 ch\u1ee9c \u0111\u00e1nh gi\u00e1: <\/strong><br \/>\n\u25cf Ng\u0103n ch\u1eb7n gian l\u1eadn b\u1eb1ng c\u00e1ch ch\u1ecdn ng\u1eabu nhi\u00ean c\u00e1c c\u00e2u h\u1ecfi ho\u1eb7c thay \u0111\u1ed5i th\u1ee9 t\u1ef1 c\u00e2u h\u1ecfi, v\u00ec v\u1eady ng\u01b0\u1eddi h\u1ecdc kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c c\u00f9ng m\u1ed9t b\u1ed9 c\u00e2u h\u1ecfi m\u1ed7i l\u1ea7n.<br \/>\n\u25cf H\u1ecdc sinh l\u1edbp AI \u0111\u1ec3 ph\u00e2n lo\u1ea1i hi\u1ec7u qu\u1ea3 c\u00e1c c\u00e2u \u0111\u1ed1 v\u00e0 b\u00e0i t\u1eadp, cung c\u1ea5p nh\u1eadn x\u00e9t n\u1ed9i tuy\u1ebfn, ghi \u0111i\u1ec3m t\u1ef1 \u0111\u1ed9ng v\u00e0 &#8220;\u0111i\u1ec3m fudge&#8221; \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u1ee7 c\u00f4ng.<br \/>\n\u25cf Nh\u00fang c\u00e1c c\u00e2u h\u1ecfi tr\u00ean c\u00e1c trang web, blog ho\u1eb7c chia s\u1ebb qua email, ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng x\u00e3 h\u1ed9i (Facebook, Twitter) ho\u1eb7c li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp.<br \/>\n\u25cf X\u1eed l\u00fd th\u1eed nghi\u1ec7m quy m\u00f4 l\u1edbn (h\u00e0ng ng\u00e0n b\u00e0i ki\u1ec3m tra\/h\u1ecdc k\u1ef3) m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ee5 thu\u1ed9c Internet, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">Ph\u1ea7n 2: 15 C\u00e2u h\u1ecfi &#038; c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a IBM DB2 Quiz<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>C\u00e2u h\u1ecfi 1: C\u00fa ph\u00e1p c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1edbi trong IBM DB2 l\u00e0 g\u00ec?<br \/>\nA. CREATE DATABASE dbname;<br \/>\nB. MAKE DATABASE dbname;<br \/>\nC. NEW DATABASE dbname;<br \/>\nD. BUILD DATABASE dbname;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh CREATE DATABASE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1edbi trong IBM DB2, gi\u00fap kh\u1edfi t\u1ea1o c\u1ea5u tr\u00fac l\u01b0u tr\u1eef d\u1eef li\u1ec7u.  <\/p>\n<p>C\u00e2u h\u1ecfi 2: Trong IBM DB2, lo\u1ea1i kh\u00f3a n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u gi\u1eefa c\u00e1c b\u1ea3ng?<br \/>\nA. Primary Key<br \/>\nB. Foreign Key<br \/>\nC. Unique Key<br \/>\nD. Index Key<br \/>\n\u0110\u00e1p \u00e1n: B<br \/>\nGi\u1ea3i th\u00edch: Foreign Key \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n tham chi\u1ebfu b\u1eb1ng c\u00e1ch li\u00ean k\u1ebft d\u1eef li\u1ec7u t\u1eeb b\u1ea3ng n\u00e0y sang b\u1ea3ng kh\u00e1c, ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7i d\u1eef li\u1ec7u kh\u00f4ng nh\u1ea5t qu\u00e1n.  <\/p>\n<p>C\u00e2u h\u1ecfi 3: L\u1ec7nh n\u00e0o trong IBM DB2 d\u00f9ng \u0111\u1ec3 ch\u00e8n d\u1eef li\u1ec7u v\u00e0o b\u1ea3ng?<br \/>\nA. INSERT INTO table VALUES (values);<br \/>\nB. ADD INTO table VALUES (values);<br \/>\nC. PUT INTO table VALUES (values);<br \/>\nD. ENTER INTO table VALUES (values);<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh INSERT INTO cho ph\u00e9p th\u00eam d\u1eef li\u1ec7u m\u1edbi v\u00e0o b\u1ea3ng, l\u00e0 m\u1ed9t ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a SQL trong IBM DB2.  <\/p>\n<p>C\u00e2u h\u1ecfi 4: Trong IBM DB2, buffer pool l\u00e0 g\u00ec?<br \/>\nA. Khu v\u1ef1c l\u01b0u tr\u1eef t\u1ea1m th\u1eddi cho d\u1eef li\u1ec7u truy v\u1ea5n<br \/>\nB. B\u1ea3ng d\u1eef li\u1ec7u ch\u00ednh<br \/>\nC. Ch\u1ec9 m\u1ee5c t\u00ecm ki\u1ebfm<br \/>\nD. Log file h\u1ec7 th\u1ed1ng<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: Buffer pool l\u00e0 b\u1ed9 nh\u1edb cache t\u1ea1m th\u1eddi gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy v\u1ea5n b\u1eb1ng c\u00e1ch l\u01b0u d\u1eef li\u1ec7u g\u1ea7n nh\u1ea5t v\u00e0o b\u1ed9 nh\u1edb RAM.  <\/p>\n<p>C\u00e2u h\u1ecfi 5: C\u00fa ph\u00e1p \u0111\u1ec3 x\u00f3a m\u1ed9t b\u1ea3ng trong IBM DB2 l\u00e0 g\u00ec?<br \/>\nA. DROP TABLE tablename;<br \/>\nB. DELETE TABLE tablename;<br \/>\nC. REMOVE TABLE tablename;<br \/>\nD. ERASE TABLE tablename;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh DROP TABLE lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n b\u1ea3ng v\u00e0 t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u li\u00ean quan kh\u1ecfi c\u01a1 s\u1edf d\u1eef li\u1ec7u.  <\/p>\n<p>C\u00e2u h\u1ecfi 6: Trong IBM DB2, stored procedure l\u00e0 g\u00ec?<br \/>\nA. M\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c th\u1ef1c thi tr\u00ean server<br \/>\nB. M\u1ed9t lo\u1ea1i b\u1ea3ng d\u1eef li\u1ec7u<br \/>\nC. M\u1ed9t ch\u1ec9 m\u1ee5c t\u1ef1 \u0111\u1ed9ng<br \/>\nD. M\u1ed9t log file<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: Stored procedure l\u00e0 t\u1eadp h\u1ee3p c\u00e1c l\u1ec7nh SQL \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 th\u1ef1c thi tr\u00ean m\u00e1y ch\u1ee7, gi\u00fap t\u00e1i s\u1eed d\u1ee5ng m\u00e3 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.  <\/p>\n<p>C\u00e2u h\u1ecfi 7: L\u1ec7nh n\u00e0o d\u00f9ng \u0111\u1ec3 c\u1eadp nh\u1eadt d\u1eef li\u1ec7u trong b\u1ea3ng IBM DB2?<br \/>\nA. UPDATE table SET column = value WHERE condition;<br \/>\nB. MODIFY table SET column = value WHERE condition;<br \/>\nC. CHANGE table SET column = value WHERE condition;<br \/>\nD. ALTER table SET column = value WHERE condition;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh UPDATE cho ph\u00e9p thay \u0111\u1ed5i gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c c\u1ed9t trong b\u1ea3ng d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.  <\/p>\n<p>C\u00e2u h\u1ecfi 8: Trong IBM DB2, transaction isolation level n\u00e0o ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng dirty read?<br \/>\nA. Repeatable Read<br \/>\nB. Read Uncommitted<br \/>\nC. Read Committed<br \/>\nD. Serializable<br \/>\n\u0110\u00e1p \u00e1n: C<br \/>\nGi\u1ea3i th\u00edch: Read Committed \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ec9 d\u1eef li\u1ec7u \u0111\u00e3 commit m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ecdc, tr\u00e1nh t\u00ecnh tr\u1ea1ng dirty read trong giao d\u1ecbch.  <\/p>\n<p>C\u00e2u h\u1ecfi 9: \u0110\u1ec3 t\u1ea1o m\u1ed9t ch\u1ec9 m\u1ee5c trong IBM DB2, s\u1eed d\u1ee5ng l\u1ec7nh n\u00e0o?<br \/>\nA. CREATE INDEX indexname ON tablename (column);<br \/>\nB. MAKE INDEX indexname ON tablename (column);<br \/>\nC. BUILD INDEX indexname ON tablename (column);<br \/>\nD. ADD INDEX indexname ON tablename (column);<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh CREATE INDEX gi\u00fap t\u1ea1o ch\u1ec9 m\u1ee5c \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy v\u1ea5n, nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh ch\u00e8n d\u1eef li\u1ec7u.  <\/p>\n<p>C\u00e2u h\u1ecfi 10: Trong IBM DB2, DB2 Catalog l\u01b0u tr\u1eef th\u00f4ng tin g\u00ec?<br \/>\nA. Metadata v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u<br \/>\nB. D\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng<br \/>\nC. Log transaction<br \/>\nD. Buffer pool<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: DB2 Catalog ch\u1ee9a metadata nh\u01b0 c\u1ea5u tr\u00fac b\u1ea3ng, ch\u1ec9 m\u1ee5c v\u00e0 quy\u1ec1n truy c\u1eadp, gi\u00fap qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3.  <\/p>\n<p>C\u00e2u h\u1ecfi 11: L\u1ec7nh n\u00e0o d\u00f9ng \u0111\u1ec3 truy v\u1ea5n d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u b\u1ea3ng trong IBM DB2?<br \/>\nA. SELECT * FROM table1 JOIN table2 ON condition;<br \/>\nB. SELECT * FROM table1 UNION table2;<br \/>\nC. SELECT * FROM table1 AND table2;<br \/>\nD. SELECT * FROM table1 WITH table2;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: C\u00fa ph\u00e1p JOIN k\u1ebft h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u b\u1ea3ng d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n, l\u00e0 c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 th\u1ef1c hi\u1ec7n truy v\u1ea5n li\u00ean b\u1ea3ng.  <\/p>\n<p>C\u00e2u h\u1ecfi 12: Trong IBM DB2, trigger l\u00e0 g\u00ec?<br \/>\nA. M\u1ed9t quy t\u1eafc t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi khi s\u1ef1 ki\u1ec7n x\u1ea3y ra<br \/>\nB. M\u1ed9t lo\u1ea1i kh\u00f3a ch\u00ednh<br \/>\nC. M\u1ed9t stored procedure th\u1ee7 c\u00f4ng<br \/>\nD. M\u1ed9t buffer pool<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: Trigger l\u00e0 m\u00e3 t\u1ef1 \u0111\u1ed9ng ch\u1ea1y khi c\u00f3 s\u1ef1 ki\u1ec7n nh\u01b0 INSERT, UPDATE ho\u1eb7c DELETE, gi\u00fap duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.  <\/p>\n<p>C\u00e2u h\u1ecfi 13: \u0110\u1ec3 sao l\u01b0u c\u01a1 s\u1edf d\u1eef li\u1ec7u trong IBM DB2, s\u1eed d\u1ee5ng l\u1ec7nh n\u00e0o?<br \/>\nA. BACKUP DB database TO device;<br \/>\nB. SAVE DB database TO device;<br \/>\nC. EXPORT DB database TO device;<br \/>\nD. COPY DB database TO device;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh BACKUP DB t\u1ea1o b\u1ea3n sao l\u01b0u \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u kh\u1ecfi m\u1ea5t m\u00e1t, l\u00e0 ph\u1ea7n quan tr\u1ecdng c\u1ee7a qu\u1ea3n l\u00fd backup.  <\/p>\n<p>C\u00e2u h\u1ecfi 14: Trong IBM DB2, SQLCODE 0 bi\u1ec3u th\u1ecb \u0111i\u1ec1u g\u00ec?<br \/>\nA. Th\u1ef1c thi th\u00e0nh c\u00f4ng<br \/>\nB. L\u1ed7i syntax<br \/>\nC. Kh\u00f4ng t\u00ecm th\u1ea5y d\u1eef li\u1ec7u<br \/>\nD. Xung \u0111\u1ed9t kh\u00f3a<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: SQLCODE 0 cho bi\u1ebft l\u1ec7nh SQL \u0111\u00e3 th\u1ef1c thi th\u00e0nh c\u00f4ng m\u00e0 kh\u00f4ng c\u00f3 l\u1ed7i, l\u00e0 m\u00e3 tr\u1ea1ng th\u00e1i ti\u00eau chu\u1ea9n.  <\/p>\n<p>C\u00e2u h\u1ecfi 15: L\u1ec7nh n\u00e0o d\u00f9ng \u0111\u1ec3 c\u1ea5p quy\u1ec1n truy c\u1eadp trong IBM DB2?<br \/>\nA. GRANT privilege ON object TO user;<br \/>\nB. GIVE privilege ON object TO user;<br \/>\nC. ASSIGN privilege ON object TO user;<br \/>\nD. PROVIDE privilege ON object TO user;<br \/>\n\u0110\u00e1p \u00e1n: A<br \/>\nGi\u1ea3i th\u00edch: L\u1ec7nh GRANT cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean c\u1ea5p quy\u1ec1n nh\u01b0 SELECT, INSERT cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c nh\u00f3m, \u0111\u1ea3m b\u1ea3o an ninh d\u1eef li\u1ec7u.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">T\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/button><\/p>\n<h3 id=\"3\">Ph\u1ea7n 3: T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi \u0111\u1ed1 b\u1eb1ng tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");console.log(copyText.innerText);navigator.clipboard.writeText(copyText.innerText);\n}\nfunction myFunction1() {\n\u00a0  \u00a0 \u00a0 window.open(\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html\");\n\u00a0 }\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\ntippy('#genquestionsBtn', {\n        'content': \"Generate questions using AI for free\",\n         trigger: 'mouseenter'\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>IBM DB2 l\u00e0 m\u1ed9t gia \u0111\u00ecnh c\u00e1c s\u1ea3n ph\u1ea9m qu\u1ea3n l\u00fd d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi IBM. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 m\u1ea1nh m\u1ebd v\u00e0 gi\u00e0u t\u00ednh n\u0103ng (RDBMS) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u01b0u tr\u1eef, truy xu\u1ea5t v\u00e0 qu\u1ea3n l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u hi\u1ec7u [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":17256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6049],"tags":[],"class_list":["post-75201","post","type-post","status-publish","format-standard","hentry","category-questions-answers-vi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - 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