{"id":74994,"date":"2025-09-22T18:48:07","date_gmt":"2025-09-22T18:48:07","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=74994"},"modified":"2025-11-01T05:25:58","modified_gmt":"2025-11-01T05:25:58","slug":"15-ibm-db2-quiz-questions-and-answers-ro","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/ro\/15-ibm-db2-quiz-questions-and-answers-ro\/","title":{"rendered":"15 IBM DB2 Quiz \u00centreb\u0103ri \u0219i r\u0103spunsuri"},"content":{"rendered":"<p>IBM DB2 este o familie de produse de gestionare a datelor dezvoltate de IBM. Este un sistem robust \u0219i bogat \u00een caracteristici de gestionare a bazelor de date (RDBMS), conceput pentru a stoca, prelua \u0219i gestiona eficient volume mari de date. DB2 a fost utilizat pe scar\u0103 larg\u0103 \u00een diferite aplica\u021bii la nivel de \u00eentreprindere \u0219i este cunoscut pentru scalabilitatea, fiabilitatea \u0219i performan\u021ba sa. Iat\u0103 o imagine de ansamblu a IBM DB2 \u0219i a caracteristicilor sale cheie:<\/p>\n<p>Tehnologia RDBMS: IBM DB2 este un sistem rela\u021bional de gestionare a bazelor de date, ceea ce \u00eenseamn\u0103 c\u0103 organizeaz\u0103 date \u00een tabele cu r\u00e2nduri \u0219i coloane, care sus\u021bine SQL (limbaj de interogare structurat) pentru manipularea \u0219i reg\u0103sirea datelor.<\/p>\n<p>Suport platform\u0103: DB2 este proiectat s\u0103 func\u021bioneze pe mai multe platforme, inclusiv mainframes, servere, sta\u021bii de lucru \u0219i medii cloud. Ofer\u0103 flexibilitate \u0219i portabilitate pe diferite sisteme de operare.<\/p>\n<p>Variante: IBM DB2 are diverse edi\u021bii \u0219i variante, cum ar fi DB2 pentru Z\/OS (MainFrame), DB2 pentru Linux, UNIX \u0219i Windows (LUW), DB2 pentru iSeries (anterior AS\/400) \u0219i DB2 pe cloud.<\/p>\n<p>Compatibilitatea SQL: DB2 accept\u0103 SQL, limbajul standard pentru interac\u021biunea cu bazele de date rela\u021bionale. Permite utilizatorilor s\u0103 efectueze cu u\u0219urin\u021b\u0103 interog\u0103ri de date, inser\u021bii, actualiz\u0103ri \u0219i \u0219tergeri.<\/p>\n<h3>Tabel de con\u021binut<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">Partea 1: OnlineExamMaker &#8211; Genera\u021bi \u0219i partaja\u021bi automat IBM DB2 cu AI cu AI<\/a><\/li>\n<li><a href=\"#2\">Partea 2: 15 IBM DB2 Quiz \u00centreb\u0103ri \u0219i r\u0103spunsuri<\/a><\/li>\n<li><a href=\"#3\">Partea 3: Genera\u021bi automat \u00eentreb\u0103ri de testare folosind generatorul de \u00eentreb\u0103ri 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\">Partea 1: OnlineExamMaker &#8211; Genera\u021bi \u0219i partaja\u021bi automat IBM DB2 cu AI cu AI<\/h3>\n<p>OnlineExamMaker este o platform\u0103 puternic\u0103 de evaluare a AI pentru a crea evalu\u0103ri de competen\u021be IBM DB2 care elaboreaz\u0103 automat. Este conceput pentru educatori, antrenori, \u00eentreprinderi \u0219i oricine dore\u0219te s\u0103 genereze teste antiabile, f\u0103r\u0103 a petrece ore \u00eentregi de elaborare manual. Func\u021bia generatorului de \u00eentreb\u0103ri AI v\u0103 permite s\u0103 introduce\u021bi un subiect sau detalii specifice \u0219i genereaz\u0103 automat o varietate de tipuri de \u00eentreb\u0103ri.<\/p>\n<p><strong> Caracteristici de top pentru organizatorii de evaluare: <\/strong><br \/>\n\u25cf Preveni\u021bi \u00een\u0219el\u0103ciunea prin randomizarea \u00eentreb\u0103rilor sau schimbarea ordinii \u00eentreb\u0103rilor, astfel \u00eenc\u00e2t elevii nu primesc acela\u0219i set de \u00eentreb\u0103ri de fiecare dat\u0103.<br \/>\n\u25cf Grad de examen AI pentru clasificarea eficient\u0103 a testelor \u0219i aloc\u0103rilor, oferind comentarii \u00een linie, notare automat\u0103 \u0219i \u201epuncte fudge\u201d pentru ajust\u0103ri manuale.<br \/>\n\u25cf \u00cencorpora\u021bi teste pe site -uri web, bloguri sau partajare prin e -mail, social media (Facebook, Twitter) sau link -uri directe.<br \/>\n\u25cf gestioneaz\u0103 testarea la scar\u0103 larg\u0103 (mii de examene\/semestre) f\u0103r\u0103 dependen\u021b\u0103 de internet, sus\u021binut\u0103 de infrastructura cloud.<\/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;\">Genera\u021bi automat \u00eentreb\u0103ri folosind 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\">Generator de \u00eentreb\u0103ri AI<\/a><\/div>\n<div class=\"p-style-b\">Genera\u021bi \u00eentreb\u0103ri pentru orice subiect<\/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\"> Crea\u021bi un test<\/a><\/div>\n<div class=\"p-style-b\">100% gratuit pentru totdeauna<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">Partea 2: 15 IBM DB2 Quiz \u00centreb\u0103ri \u0219i r\u0103spunsuri<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copia\u021bi \u00eentreb\u0103rile<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Genera\u021bi \u00eentreb\u0103ri folosind AI<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. \u00centrebare: Ce este IBM DB2?<br \/>\n   A. Un limbaj de programare<br \/>\n   B. Un sistem de management al bazelor de date rela\u021bionale<br \/>\n   C. Un browser web<br \/>\n   D. Un sistem de operare<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: IBM DB2 este un sistem de management al bazelor de date rela\u021bionale dezvoltat de IBM, utilizat pentru stocarea, gestionarea \u0219i interogarea datelor \u00een medii enterprise.  <\/p>\n<p>2. \u00centrebare: Care este comanda SQL utilizat\u0103 pentru a crea o nou\u0103 baz\u0103 de date \u00een DB2?<br \/>\n   A. CREATE TABLE<br \/>\n   B. CREATE DATABASE<br \/>\n   C. INSERT INTO<br \/>\n   D. SELECT FROM<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: Comanda CREATE DATABASE \u00een DB2 este folosit\u0103 pentru a crea o nou\u0103 baz\u0103 de date, permi\u021b\u00e2nd definirea structurii \u0219i a set\u0103rilor ini\u021biale.  <\/p>\n<p>3. \u00centrebare: Care este tipul de date potrivit pentru stocarea unui num\u0103r \u00eentreg \u00een DB2?<br \/>\n   A. VARCHAR<br \/>\n   B. INTEGER<br \/>\n   C. DATE<br \/>\n   D. FLOAT<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: Tipul de date INTEGER \u00een DB2 este conceput pentru a stoca valori numerice \u00eentregi, asigur\u00e2nd eficien\u021b\u0103 \u00een opera\u021biile aritmetice.  <\/p>\n<p>4. \u00centrebare: Ce rol are un index \u00een DB2?<br \/>\n   A. S\u0103 criptografizeze datele<br \/>\n   B. S\u0103 accelereze c\u0103ut\u0103rile \u00een tabele<br \/>\n   C. S\u0103 \u0219terg\u0103 \u00eenregistr\u0103ri<br \/>\n   D. S\u0103 afi\u0219eze rapoarte<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: Un index \u00een DB2 \u00eembun\u0103t\u0103\u021be\u0219te performan\u021ba interog\u0103rilor prin accelerarea c\u0103ut\u0103rilor, sort\u0103rilor \u0219i a opera\u021biilor de join pe coloanele indexate.  <\/p>\n<p>5. \u00centrebare: Cum se creeaz\u0103 o view \u00een DB2?<br \/>\n   A. Folosind comanda CREATE VIEW<br \/>\n   B. Folosind comanda INSERT VIEW<br \/>\n   C. Folosind comanda ALTER TABLE<br \/>\n   D. Folosind comanda DROP VIEW<br \/>\n   R\u0103spuns: A<br \/>\n   Explica\u021bie: Comanda CREATE VIEW \u00een DB2 permite crearea unei view-uri, care este o reprezentare virtual\u0103 a datelor dintr-una sau mai multe tabele, f\u0103r\u0103 a stoca date fizic.  <\/p>\n<p>6. \u00centrebare: Ce este o procedur\u0103 stocat\u0103 \u00een DB2?<br \/>\n   A. Un tip de index<br \/>\n   B. Un set de instruc\u021biuni SQL precompilat<br \/>\n   C. Un tip de baz\u0103 de date<br \/>\n   D. Un raport generat<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: O procedur\u0103 stocat\u0103 \u00een DB2 este un bloc de cod SQL precompilat \u0219i stocat \u00een baz\u0103 de date, care poate fi apelat pentru a executa opera\u021bii complexe \u0219i a \u00eembun\u0103t\u0103\u021bi reutilizarea codului.  <\/p>\n<p>7. \u00centrebare: Care este scopul comenzii COMMIT \u00een tranzac\u021biile DB2?<br \/>\n   A. S\u0103 anuleze tranzac\u021bia<br \/>\n   B. S\u0103 finalizeze \u0219i s\u0103 salveze modific\u0103rile<br \/>\n   C. S\u0103 \u00eenceap\u0103 o nou\u0103 tranzac\u021bie<br \/>\n   D. S\u0103 afi\u0219eze datele<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: Comanda COMMIT \u00een DB2 marcheaz\u0103 sf\u00e2r\u0219itul unei tranzac\u021bii reu\u0219ite, salv\u00e2nd modific\u0103rile \u00een baz\u0103 de date \u0219i asigur\u00e2nd integritatea datelor.  <\/p>\n<p>8. \u00centrebare: Care este o metod\u0103 comun\u0103 de backup \u00een DB2?<br \/>\n   A. Folosind comanda DELETE<br \/>\n   B. Folosind utilitarul DB2 BACKUP<br \/>\n   C. Folosind comanda SELECT<br \/>\n   D. Folosind comanda UPDATE<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: Utilitarul DB2 BACKUP permite crearea copiilor de siguran\u021b\u0103 pentru bazele de date, ajut\u00e2nd la recuperare \u00een cazul pierderii datelor.  <\/p>\n<p>9. \u00centrebare: Cum se gestioneaz\u0103 securitatea accesului la date \u00een DB2?<br \/>\n   A. Prin utilizarea de parole simple<br \/>\n   B. Prin grant-uri \u0219i roluri de utilizator<br \/>\n   C. Prin \u0219tergerea bazelor de date<br \/>\n   D. Prin afi\u0219area tuturor datelor<br \/>\n   R\u0103spuns: B<br \/>\n   Explica\u021bie: \u00cen DB2, securitatea se gestioneaz\u0103 prin grant-uri \u0219i roluri, care controleaz\u0103 permisiunile utilizatorilor asupra obiectelor din baz\u0103 de date.  <\/p>\n<p>10. \u00centrebare: Ce ajut\u0103 la tuning-ul performan\u021bei \u00een DB2?<br \/>\n    A. Crearea de tabele inutile<br \/>\n    B. Optimizarea query-urilor \u0219i a indicilor<br \/>\n    C. \u0218tergerea tuturor datelor<br \/>\n    D. Ignorarea erorilor<br \/>\n    R\u0103spuns: B<br \/>\n    Explica\u021bie: Tuning-ul performan\u021bei \u00een DB2 implic\u0103 optimizarea query-urilor, indicilor \u0219i configura\u021biilor pentru a reduce timpul de execu\u021bie \u0219i a \u00eembun\u0103t\u0103\u021bi eficien\u021ba.  <\/p>\n<p>11. \u00centrebare: Care este o versiune popular\u0103 a DB2?<br \/>\n    A. DB2 pentru z\/OS<br \/>\n    B. DB2 pentru Windows 95<br \/>\n    C. DB2 pentru telefoane mobile<br \/>\n    D. DB2 pentru jocuri video<br \/>\n    R\u0103spuns: A<br \/>\n    Explica\u021bie: DB2 pentru z\/OS este o versiune cheie a DB2, optimizat\u0103 pentru sistemele mainframe, utilizat\u0103 \u00een medii enterprise pentru fiabilitate \u0219i scalabilitate.  <\/p>\n<p>12. \u00centrebare: Cum se conecteaz\u0103 un client la o baz\u0103 de date DB2?<br \/>\n    A. Folosind comanda PING<br \/>\n    B. Folosind driver-ul JDBC sau ODBC<br \/>\n    C. Folosind un editor de text<br \/>\n    D. Folosind un browser web<br \/>\n    R\u0103spuns: B<br \/>\n    Explica\u021bie: Conectarea la DB2 se realizeaz\u0103 prin driver-i precum JDBC sau ODBC, care permit aplica\u021biilor s\u0103 interac\u021bioneze cu baza de date.  <\/p>\n<p>13. \u00centrebare: Ce este optimizarea query-urilor \u00een DB2?<br \/>\n    A. Sc\u0103derea performan\u021bei<br \/>\n    B. Analiza \u0219i \u00eembun\u0103t\u0103\u021birea execu\u021biei interog\u0103rilor<br \/>\n    C. \u0218tergerea query-urilor<br \/>\n    D. Crearea de erori<br \/>\n    R\u0103spuns: B<br \/>\n    Explica\u021bie: Optimizarea query-urilor \u00een DB2 implic\u0103 analizarea planului de execu\u021bie pentru a identifica \u0219i aplica modific\u0103ri care accelereaz\u0103 procesarea datelor.  <\/p>\n<p>14. \u00centrebare: Care este un tip de join utilizat \u00een DB2?<br \/>\n    A. Join extern<br \/>\n    B. Join intern<br \/>\n    C. Ambele sunt corecte<br \/>\n    D. Niciunul<br \/>\n    R\u0103spuns: C<br \/>\n    Explica\u021bie: DB2 suport\u0103 at\u00e2t join intern (INNER JOIN), care returneaz\u0103 doar \u00eenregistr\u0103rile potrivite, c\u00e2t \u0219i join extern (OUTER JOIN), care include \u0219i \u00eenregistr\u0103rile nepotrivite.  <\/p>\n<p>15. \u00centrebare: Ce este o subinterogare \u00een DB2?<br \/>\n    A. O interogare principal\u0103<br \/>\n    B. O interogare \u00eencorporat\u0103 \u00eentr-o alt\u0103 interogare<br \/>\n    C. Un tip de index<br \/>\n    D. Un backup<br \/>\n    R\u0103spuns: B<br \/>\n    Explica\u021bie: O subinterogare \u00een DB2 este o interogare SQL \u00eencorporat\u0103 \u00een alta, folosit\u0103 pentru a returna valori care sunt utilizate \u00een condi\u021biile interog\u0103rii principale.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">Copia\u021bi \u00eentreb\u0103rile<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">Genera\u021bi \u00eentreb\u0103ri folosind AI<\/button><\/p>\n<h3 id=\"3\">Partea 3: Genera\u021bi automat \u00eentreb\u0103ri de testare folosind generatorul de \u00eentreb\u0103ri 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;\">Genera\u021bi automat \u00eentreb\u0103ri folosind 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\">Generator de \u00eentreb\u0103ri AI<\/a><\/div>\n<div class=\"p-style-b\">Genera\u021bi \u00eentreb\u0103ri pentru orice subiect<\/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\"> Crea\u021bi un test<\/a><\/div>\n<div class=\"p-style-b\">100% gratuit pentru totdeauna<\/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 este o familie de produse de gestionare a datelor dezvoltate de IBM. Este un sistem robust \u0219i bogat \u00een caracteristici de gestionare a bazelor de date (RDBMS), conceput pentru a stoca, prelua \u0219i gestiona eficient volume mari de date. DB2 a fost utilizat pe scar\u0103 larg\u0103 \u00een diferite aplica\u021bii la nivel de \u00eentreprindere [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":17256,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6059],"tags":[],"class_list":["post-74994","post","type-post","status-publish","format-standard","hentry","category-questions-answers-ro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15 IBM DB2 Quiz \u00centreb\u0103ri \u0219i r\u0103spunsuri - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/ro\/15-ibm-db2-quiz-questions-and-answers-ro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15 IBM DB2 Quiz \u00centreb\u0103ri \u0219i r\u0103spunsuri - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"IBM DB2 este o familie de produse de gestionare a datelor dezvoltate de IBM. Este un sistem robust \u0219i bogat \u00een caracteristici de gestionare a bazelor de date (RDBMS), conceput pentru a stoca, prelua \u0219i gestiona eficient volume mari de date. 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