{"id":1656,"date":"2025-10-13T08:08:32","date_gmt":"2025-10-13T06:08:32","guid":{"rendered":"https:\/\/nikitalitvinenko24.thkit.ee\/wp\/?page_id=1656"},"modified":"2025-10-13T08:08:32","modified_gmt":"2025-10-13T06:08:32","slug":"ab-halduse-konspekt","status":"publish","type":"page","link":"https:\/\/nikitalitvinenko24.thkit.ee\/wp\/eng\/ab-halduse-konspekt\/","title":{"rendered":"AB halduse konspekt"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>AB kasutajate rollid:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AB kasutaja<\/strong> &#8211; tavakasutaja, mis saab muuta, lisada, filtreerida ja otsida vastavalt vajadusele.<\/li>\n\n\n\n<li><strong>AB programmeerija<\/strong> &#8211; loob funktsioonid ja protseduurid (trigerid).<\/li>\n\n\n\n<li><strong>DBA <\/strong>&#8211;  <strong>AB administraator<\/strong> &#8211; tagab, et \u00f5iged kasutajad saavad oma \u00f5igused.<\/li>\n\n\n\n<li><strong>AB projekteerija<\/strong> &#8211; loob tabeleid ja struktuuri.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DBA &#8211; AB administraator liigid:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00fcsteemiadmin<\/li>\n\n\n\n<li>AB arhitekt<\/li>\n\n\n\n<li>AB anal\u00fc\u00fctik<\/li>\n\n\n\n<li>Data warehouse admin (\u0430\u0434\u043c\u0438\u043d \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u0434\u0430\u043d\u043d\u044b\u0445) &#8211; andmeladu<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DBA kaks peamist eesm\u00e4rki (\u00fclesanded):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kasutajate toetus ja ligip\u00e4\u00e4su jagamine ja seadistamine.<\/li>\n\n\n\n<li>AB Turvalisus ja j\u00f5udluse tagamine.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>AB Turvalisus &#8211; 3 p\u00f5hiaspekti<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-left is-nowrap is-layout-flex wp-container-core-group-is-layout-24bf8543 wp-block-group-is-layout-flex\">\n<ul class=\"wp-block-list\">\n<li><strong>Andmete konfidentsiaalsus<\/strong> (confidentiality) <\/li>\n<\/ul>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nGRANT role to user &#x5B;identified by pwd] &#x5B;with grant option];\n\nREVOKE role from user;\n<\/pre><\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Andmete k\u00e4ttesaadavus <\/strong>(availability\/\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c) &#8211; andmed me saame k\u00e4tte \u00f5igel ajal ja \u00f5igel kasutajal.<\/li>\n\n\n\n<li><strong>Andmete terviklikkus<\/strong> (integrity\/\u0446\u0435\u043b\u0435\u0441\u0442\u043d\u043e\u0441\u0442\u044c) &#8211; usaldusv\u00e4\u00e4rne andmeallikad<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Risk<\/strong><\/td><td>Ohutuse aspekt<\/td><\/tr><tr><td>Inimlikud vead<\/td><td>konfidentsiaalsus, k\u00e4ttesaadavus, terviklikkus<\/td><\/tr><tr><td>F\u00fc\u00fcsilised vead (riistvara)<\/td><td>terviklikkus, k\u00e4ttesaadavus <\/td><\/tr><tr><td>Operatsioonis\u00fcsteemi rikked<\/td><td>K\u00e4ttesaadavus, terviklikkus, Konfidentsiaalsus <\/td><\/tr><tr><td>Andmebaasis\u00fcsteemi rikked<\/td><td>K\u00e4ttesaadavus, terviklikkus, Konfidentsiaalsus<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>COMMIT <\/strong>&#8211; k\u00e4sk, mida kasutatakse tavaliselt p\u00e4rast mitmeid INSERT-, UPDATE- v\u00f5i DELETE-operatsioone, et tagada muudatuste salvestamine andmebaasi.<br><\/li>\n\n\n\n<li><strong>ROLLBACK <\/strong>&#8211; k\u00e4sk, mida kasutatakse transaktsiooni poolt tehtud muudatuste tagasip\u00f6\u00f6ramiseks.<br><\/li>\n\n\n\n<li><strong>ROLLFORWARD<\/strong> &#8211; k\u00e4sk, mida kasutatakse logifailides sisalduvate transaktsioonide edasiarendamiseks m\u00e4\u00e4ratud asukohas.<br><\/li>\n\n\n\n<li><strong>Data Mining<\/strong> &#8211; (\u043f\u043e\u0438\u0441\u043a \u0441\u043a\u0440\u044b\u0442\u044b\u0445 \u0448\u0430\u0431\u043b\u043e\u043d\u043e\u0432) protsess, kus otsitakse suurtest andmekogudest kasulikke mustreid ja infot.<br><\/li>\n\n\n\n<li><strong>Data Warehouse<\/strong>  &#8211; suur andmeladu, kuhu kogutakse palju andmeid, et neid hiljem lihtsamalt vaadata ja kasutada.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>GROUP BY<\/strong> &#8211; r\u00fchmitab andmed valitud veergude alusel, et teha kokkuv\u00f5tteid (nt SUM, COUNT).<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nSELECT Country, Gender, SUM(Salary) AS TotalSalary\nFROM Employees\nGROUP BY Country, Gender\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>UNION ALL<\/strong> &#8211; \u00fchendab mitu p\u00e4ringut, s\u00e4ilitades k\u00f5ik read, ka duplikaadid.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nSELECT Country, Gender, SUM(Salary) AS TotalSalary\nFROM Employees\nGROUP BY Country, Gender\n\nUNION ALL\n\nSELECT Country, NULL, SUM(Salary) AS TotalSalary\nFROM Employees\nGROUP BY Country\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>GROUPING <\/strong>&#8211; v\u00f5imaldab m\u00e4\u00e4rata, kuidas andmeid grupeeritakse, kasutades GROUPING SETS, ROLLUP v\u00f5i CUBE.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nSELECT Country, Gender, SUM(Salary) AS TotalSalary\nFROM Employees\nGROUP BY\n    GROUPING SETS\n    (\n        (Country, Gender),\n        (Country),\n        (Gender),\n        ()\n    )\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>ROLLUP <\/strong>&#8211; summerib hierarhiliselt valitud veergud.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nSELECT Country, SUM(Salary) AS TotalSalary\nFROM Employees\nGROUP BY ROLLUP(Country)\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>CUBE <\/strong>&#8211; arvutab summad igas veerus\/kombinatsioonis.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: sql; title: ; notranslate\" title=\"\">\nSELECT Continent, Country, City, SUM(SaleAmount) AS TotalSales\nFROM Sales\nGROUP BY CUBE(Continent, Country, City)\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>Erinevus ROLLUP ja CUBE<\/strong> &#8211; ROLLUP summerib hierarhiliselt valitud veergud, CUBE arvutab summad igas veerus\/kombinatsioonis.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AB kasutajate rollid: DBA &#8211; AB administraator liigid: DBA kaks peamist eesm\u00e4rki (\u00fclesanded): AB Turvalisus &#8211; 3 p\u00f5hiaspekti Risk Ohutuse aspekt Inimlikud vead konfidentsiaalsus, k\u00e4ttesaadavus, terviklikkus F\u00fc\u00fcsilised vead (riistvara) terviklikkus, k\u00e4ttesaadavus Operatsioonis\u00fcsteemi rikked K\u00e4ttesaadavus, terviklikkus, Konfidentsiaalsus Andmebaasis\u00fcsteemi rikked K\u00e4ttesaadavus, terviklikkus, Konfidentsiaalsus GROUP BY &#8211; r\u00fchmitab andmed valitud veergude alusel, et teha kokkuv\u00f5tteid (nt SUM, COUNT). &hellip; <a href=\"https:\/\/nikitalitvinenko24.thkit.ee\/wp\/eng\/ab-halduse-konspekt\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;AB halduse konspekt&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1656","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AB halduse konspekt - Nikita Litvinenko Portfolio<\/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:\/\/nikitalitvinenko24.thkit.ee\/wp\/eng\/ab-halduse-konspekt\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AB halduse konspekt - Nikita Litvinenko Portfolio\" \/>\n<meta property=\"og:description\" content=\"AB kasutajate rollid: DBA &#8211; 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