{"id":18233,"date":"2024-02-29T15:28:28","date_gmt":"2024-02-29T13:28:28","guid":{"rendered":"https:\/\/hostkoss.com\/b\/?p=18233"},"modified":"2024-06-27T13:14:22","modified_gmt":"2024-06-27T10:14:22","slug":"database","status":"publish","type":"post","link":"https:\/\/hostkoss.com\/b\/et\/database\/","title":{"rendered":"Mis on andmebaas ja miks on see \u00e4ri jaoks oluline?"},"content":{"rendered":"\n<p><strong>Andmebaasid on teabe kogum, mis on tavaliselt korraldatud tabelitena.<\/strong> Andmebaasides olevad andmed on salvestatud nii, et neid saab h\u00f5lpsasti v\u00e4lja otsida ja kasutada arvutiprogrammiga.<\/p>\n\n\n\n<p><strong>Andmebaasid on ettev\u00f5tete jaoks olulised, sest neis hoitakse<\/strong> ettev\u00f5tte toimimiseks olulist <strong>teavet<\/strong>, n\u00e4iteks klienditeavet, inventarinimestikku ja ostutellimusi. Seda t\u00fc\u00fcpi teabele saab kiiresti ja t\u00e4pselt juurde p\u00e4\u00e4seda, ilma et peaks sorteerima paberdokumentide virna v\u00f5i p\u00fc\u00fcdma meeles pidada, kus iga andmestik on salvestatud.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u0449\u043e-\u0442\u0430\u043a\u0435-\u0431\u0430\u0437\u0438-\u0434\u0430\u043d\u0438\u0445-rdbms-nosql-\u0442\u0430-sql\">Mis on RDBMS, NoSQL ja SQL-andmebaasid?<\/h2>\n\n\n\n<p><strong>Relatsiooniline andmebaasi halduss\u00fcsteem (RDBMS)<\/strong> on andmebaasi t\u00fc\u00fcp, mida kasutatakse andmete salvestamiseks, otsimiseks ja haldamiseks tabelites. See salvestab andmeid ridade ja veergudena.<\/p>\n\n\n\n<p><strong>NoSQL-andmebaasid on m\u00f5eldud lahendama probleeme<\/strong>, mida DBMSid ei suuda, n\u00e4iteks struktureerimata andmete salvestamine, hajutatud salvestamine, skaleeritavus ja j\u00f5udlus.<\/p>\n\n\n\n<p><strong>SQL-andmebaasid on kiiremad kui NoSQL-andmebaasid<\/strong>, kuid need on oma olemuselt mitteskaalutatavad. Nad ei toeta h\u00e4sti struktureerimata andmeid, mist\u00f5ttu neid ei saa kasutada suurandmete anal\u00fc\u00fcsiks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u044f\u043a-\u043f\u0440\u0430\u0446\u044e\u0454-\u0431\u0430\u0437\u0430-\u0434\u0430\u043d\u0438\u0445\">Kuidas andmebaas t\u00f6\u00f6tab<\/h2>\n\n\n\n<p><strong>Relatsiooniline andmebaas salvestab andmeid tabelites.<\/strong> Tabelid koosnevad ridadest ja veergudest. Rida on \u00fcks kirje tabelis ja veerg on iga rea konkreetne v\u00e4li.<\/p>\n\n\n\n<p><strong>Veerandandmebaas salvestab andmeid veergudes<\/strong>, mis on iga rea konkreetsed v\u00e4ljad. Veerud salvestatakse sorteeritud j\u00e4rjekorras, et h\u00f5lbustada nende kohta p\u00e4ringute tegemist.<\/p>\n\n\n\n<p><strong>V\u00f5tme- ja v\u00e4\u00e4rtuste hoidlad salvestavad andmeid kas<\/strong> v\u00f5tme- ja v\u00e4\u00e4rtuse paaridena v\u00f5i v\u00f5tme- ja v\u00e4\u00e4rtuste loenditena. See t\u00e4hendab, et k\u00f5ik andmed salvestatakse objektidena ning nende korrastamiseks ei ole vaja tabeleid ega ridu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u0442\u0438\u043f\u0438-\u0431\u0430\u0437-\u0434\u0430\u043d\u0438\u0445-\u0442\u0430-\u043f\u0435\u0440\u0435\u0432\u0430\u0433\u0438-\u043d\u0435\u0434\u043e\u043b\u0456\u043a\u0438-\u043a\u043e\u0436\u043d\u043e\u0433\u043e-\u0442\u0438\u043f\u0443\">Andmebaaside t\u00fc\u00fcbid ja iga t\u00fc\u00fcbi eelised\/puudused<\/h2>\n\n\n\n<p><strong>Relatsioonilised andmebaasid on<\/strong> t\u00e4nap\u00e4eval <strong>k\u00f5ige levinum andmebaasit\u00fc\u00fcp<\/strong>. Need salvestavad andmeid ridade ja veergudega tabelites. Nendele andmebaasidele saab ligi, kasutades selleks loodud SQL-keelt.<\/p>\n\n\n\n<p><strong>Veerup\u00f5hised andmebaasid salvestavad andmeid veergude kujul, mis<\/strong> on t\u00f5husam kui reap\u00f5hine salvestamine. See v\u00f5imaldab kiiremaid p\u00e4ringuid ja andmebaasi uuendusi. Veergandmebaasid v\u00f5tavad ka v\u00e4hem m\u00e4lu kui reap\u00f5hised andmebaasid, mis t\u00e4hendab, et nende t\u00f6\u00f6ks on vaja v\u00e4hem m\u00e4lu.<\/p>\n\n\n\n<p><strong>V\u00f5tme- ja v\u00e4\u00e4rtuspangad erinevad relatsioonilistest ja<\/strong> veergudega andmebaasidest selle poolest, et need ei n\u00f5ua eelnevat skeemikujundust ja v\u00f5imaldavad andmeid salvestada mis tahes j\u00e4rjekorras, ilma et nende struktuuri oleks vaja eelnevalt m\u00e4\u00e4ratleda.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\" style=\"font-size:19px\">\n<p><strong>Kokkuv\u00f5te:<\/strong><br>Andmebaas on andmete kogum, mis on korraldatud nii, et inimestel on neid lihtsam leida ja kasutada. Andmebaasid on iga organisatsiooni lahutamatu osa. Need aitavad korrastada k\u00f5iki ettev\u00f5tte kogutud andmeid ja teha need k\u00e4ttesaadavaks. Neid saab kasutada mitmesugustel eesm\u00e4rkidel, n\u00e4iteks klienditeabe s\u00e4ilitamiseks, tehingute t\u00f6\u00f6tlemiseks v\u00f5i inventari j\u00e4lgimiseks.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Loe ka:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/hostkoss.com\/b\/et\/dump-mysql-database\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kuidas luua MySQL andmebaasi dump ja miks seda vaja on teha<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/hostkoss.com\/b\/et\/centos-vs-ubuntu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Parima operatsioonis\u00fcsteemi valimine oma serverile: CentOS vs Ubuntu<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/hostkoss.com\/b\/et\/http-2-nginx-ubuntu\/\" target=\"_blank\" rel=\"noreferrer noopener\">HTTP\/2 toe konfigureerimine Nginxis Ubuntu 18.04 operatsioonis\u00fcsteemis<\/a><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/hostkoss.com\/b\/et\/vds-vps\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mis on VDS\/VPS server ja kuidas valida parim server<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u0437\u0430\u043f\u0438\u0442\u0430\u043d\u043d\u044f-\u0442\u0430-\u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0456-\u043f\u0440\u043e-\u0431\u0430\u0437\u0443-\u0434\u0430\u043d\u0438\u0445\">K\u00fcsimused ja vastused andmebaasi kohta<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1719404243609\"><strong class=\"schema-faq-question\"><strong>Miks on andmebaasid \u00e4ritegevuse jaoks olulised?<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Andmebaasid aitavad ettev\u00f5tetel andmeid t\u00f5husalt organiseerida, salvestada ja otsida, v\u00f5imaldades t\u00f5husamat otsustamist ja sujuvamat tegevust.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1719404265506\"><strong class=\"schema-faq-question\">Milliseid\u00a0<strong>andmebaase on ettev\u00f5tetel v\u00f5imalik<\/strong>\u00a0kasutada?<\/strong> <p class=\"schema-faq-answer\"><em>S\u00f5ltuvalt nende andmete salvestamise ja t\u00f6\u00f6tlemise vajadustest saavad ettev\u00f5tted valida relatsiooniliste (SQL) ja mitterelatsiooniliste (NoSQL) andmebaaside vahel.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1719404279728\"><strong class=\"schema-faq-question\"><strong>Kuidas parandavad andmebaasid andmete turvalisust<\/strong>?<\/strong> <p class=\"schema-faq-answer\"><em>Andmebaasid pakuvad tugevaid turvaelemente, nagu kr\u00fcpteerimine, juurdep\u00e4\u00e4sukontroll ja kontrollj\u00e4ljed, et kaitsta tundlikku teavet volitamata juurdep\u00e4\u00e4su v\u00f5i lekke eest.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1719404291672\"><strong class=\"schema-faq-question\">Millised on\u00a0<strong>m\u00f5ned andmebaaside haldamisega seotud probleemid?<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Andmebaaside haldamise v\u00e4ljakutsete hulka kuuluvad andmete killustatus, andmete terviklikkusega seotud probleemid ja \u00f5ige andmebaasilahenduse valimine konkreetsete \u00e4rivajaduste jaoks.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1719404303137\"><strong class=\"schema-faq-question\">Millised on m\u00f5ned andmebaaside haldamise parimad\u00a0<strong>tavad<\/strong>?<\/strong> <p class=\"schema-faq-answer\"><em>Andmebaasi haldamise parimad tavad h\u00f5lmavad korrap\u00e4raseid varukoopiaid, andmete kr\u00fcpteerimist, hooldust ja uuendusi, et tagada optimaalne j\u00f5udlus ja turvalisus.<\/em><\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Andmebaasid on teabe kogum, mis on tavaliselt korraldatud tabelitena. Andmebaasides olevad andmed on salvestatud nii, et neid saab h\u00f5lpsasti v\u00e4lja otsida ja kasutada arvutiprogrammiga. Andmebaasid&#8230;<\/p>\n","protected":false},"author":1,"featured_media":18226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1377],"tags":[],"class_list":["post-18233","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql-database"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v25.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Mis on andmebaas ja kuidas see t\u00f6\u00f6tab? &#8212; hostkoss blog<\/title>\n<meta name=\"description\" content=\"Andmebaasid l\u00fchidalt: mis on andmebaas, mida nad teenivad? 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