{"id":982,"date":"2025-09-30T08:42:54","date_gmt":"2025-09-30T06:42:54","guid":{"rendered":"https:\/\/khusseintakhmazov24.thkit.ee\/wp\/?p=982"},"modified":"2025-09-30T08:42:54","modified_gmt":"2025-09-30T06:42:54","slug":"andmebaaside-normaliseerimise-alusedandmebaas-2","status":"publish","type":"post","link":"https:\/\/khusseintakhmazov24.thkit.ee\/wp\/eng\/?p=982","title":{"rendered":"Andmebaaside normaliseerimise alusedandmebaas"},"content":{"rendered":"\n<p>Normaliseerimine &#8211; andmebaasi andmete korratastamine<\/p>\n\n\n\n<p>Otsime abelites &#8211;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>KORDUSED<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>vastuolud <\/li>\n<\/ul>\n\n\n\n<p><strong>1 NormaalKuju (1NF)<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tabeli artibuudid on unikaalse nimega<\/li>\n\n\n\n<li>Igas veerus on ainult \u00fche t\u00fc\u00fcbid andmed<\/li>\n\n\n\n<li>Igal tabelil on Primaarv\u00f5ti<\/li>\n\n\n\n<li>Igas lahtris on ainult \u00fchte v\u00e4\u00e4rtust, see t\u00e4hendab kui \u00f5pilasel on kaks moobiilinumbrit, siis ei tohi neid sisestada \u00fche lahtrisse &#8211; on vaja luua eraldi tabeli<\/li>\n<\/ul>\n\n\n\n<p><strong>2 NormaaliKuj (2NF)<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00e4idetud NF1<\/li>\n\n\n\n<li>Luuakse eraldi tabeleid mis on seotud primaarv\u00f5tmega (v\u00f5\u00f5rv\u00f5ti, v\u00e4line V\u00d5TI)<\/li>\n<\/ul>\n\n\n\n<p><strong>3 NormaalKuju (3NF)<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00e4idetud 1NF, 2NF<\/li>\n\n\n\n<li>on vaja kustutada need veerud, mis ei ole otse seotud priimaarv\u00f5tmega.<\/li>\n\n\n\n<li>N\u00e4iteks, kui tabelis opilane on veerg keskmine_hinne, siis keskmine_hinne ei ole seotud primaarv\u00f5tmega<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Normaliseerimine<\/strong><br>See on protsess, mille k\u00e4igus andmed korraldatakse t\u00f5husalt<br>andmebaasi<\/p>\n\n\n\n<p><br><strong>Eesm\u00e4rgid<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u00fcleliigsete andmete k\u00f5rvaldamine;<\/li>\n\n\n\n<li>Andmete s\u00f5ltuvuse tagamine.<br>\u00fcksteisest;<\/li>\n\n\n\n<li>tagada k\u00f5igi andmete j\u00e4rjepidevus ja<br>v\u00f5imalike vastuolude k\u00f5rvaldamine.<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Normaliseerimine &#8211; andmebaasi andmete korratastamine Otsime abelites &#8211; 1 NormaalKuju (1NF) 2 NormaaliKuj (2NF) 3 NormaalKuju (3NF) NormaliseerimineSee on protsess, mille k\u00e4igus andmed korraldatakse t\u00f5husaltandmebaasi Eesm\u00e4rgid:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-982","post","type-post","status-publish","format-standard","hentry","category-maaratlemata"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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