{"id":342,"date":"2025-05-29T11:18:28","date_gmt":"2025-05-29T08:18:28","guid":{"rendered":"https:\/\/romanzaitsevtarpv.wordpress.com\/?page_id=342"},"modified":"2025-05-29T11:18:28","modified_gmt":"2025-05-29T08:18:28","slug":"mangodb","status":"publish","type":"page","link":"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/","title":{"rendered":"MongoDB"},"content":{"rendered":"\n<p><strong>MongoDB<\/strong> on andmebaas, mis salvestab andmeid mitte tabelites nagu tavap\u00e4rased andmebaasid, vaid dokumentidena, mis sarnanevad objektidega. See on mugav keerukate ja erinevate andmete hoidmiseks.<\/p>\n\n\n\n<p><strong>Kogu (collection)<\/strong> on nagu kaust v\u00f5i grupp, kuhu dokumente talletatakse. Seda v\u00f5ib v\u00f5rrelda tabeliga tavap\u00e4rases andmebaasis, kuid ilma rangete reegliteta.<\/p>\n\n\n\n<p><strong>Dokument<\/strong> on \u00fcks eraldi objekt andmetega, mis on talletatud kogus. See sarnaneb tabeli reale, kuid v\u00f5ib sisaldada erinevaid v\u00e4lju ja ka pesastatud objekte.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Andmebaasi_ja_kollektsiooni_loomine\" >Andmebaasi ja kollektsiooni loomine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Kogu_taitmine\" >Kogu t\u00e4itmine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Otsing_kogu_kogust\" >Otsing kogu kogust<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Dokumendi_lisamine_kogusse\" >Dokumendi lisamine kogusse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Otsing_tingimuste_alusel\" >Otsing tingimuste alusel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Sorteerimine_ja_piirangud\" >Sorteerimine ja piirangud<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#set_Dokumentide_uuendamine_kogus\" >$set Dokumentide uuendamine kogus<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#BulkWrite_%E2%80%93_Mitmikparing\" >[BulkWrite] &#8211; Mitmikp\u00e4ring<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/#Uhendamine_MongoDB-ga_JavaScripti_kaudu\" >\u00dchendamine MongoDB-ga JavaScripti kaudu<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Andmebaasi_ja_kollektsiooni_loomine\"><\/span>Andmebaasi ja kollektsiooni loomine<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">use mongo;\nswitched to db mongo\ndb.createCollection(\"users\")\n{ ok: 1 }\nshow collections\nusers\ndb.users.insert(())<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-8.png?w=428\" alt=\"\" class=\"wp-image-343\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kogu_taitmine\"><\/span>Kogu t\u00e4itmine<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.insert({\nname: \"Roman\",\nage:25\n})<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-9.png?w=770\" alt=\"\" class=\"wp-image-344\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Otsing_kogu_kogust\"><\/span>Otsing kogu kogust<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.find<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-10.png?w=630\" alt=\"\" class=\"wp-image-345\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dokumendi_lisamine_kogusse\"><\/span>Dokumendi lisamine kogusse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.insertMany([\n  {name: \"nikita\", age: 24},\n  {name: \"Mark\", age: 24},\n  {name: \"marek\", age: 24},\n  {name: \"martin\", age: 24},\n  {name: \"melon\", age: 24}\n]);<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-11.png?w=508\" alt=\"\" class=\"wp-image-346\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Otsing_tingimuste_alusel\"><\/span>Otsing tingimuste alusel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.find({$or:[{name: \"marek\"}, {age:25}]})\n<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-12.png?w=541\" alt=\"\" class=\"wp-image-347\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.find({age:{$lt:30}})<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-13.png?w=597\" alt=\"\" class=\"wp-image-348\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sorteerimine_ja_piirangud\"><\/span>Sorteerimine ja piirangud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.find().sort({age:-1})<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-14.png?w=463\" alt=\"\" class=\"wp-image-349\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.find().limit(2)<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-15.png?w=509\" alt=\"\" class=\"wp-image-350\" \/><\/figure>\n\n\n\n<p>\u041f\u043e\u0438\u0441\u043a \u043f\u043e \u0418\u0414<\/p>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.findOne({_id:ObjectId(\"682d829dc9c7792ec15ef980\") })<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-16.png?w=592\" alt=\"\" class=\"wp-image-351\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"set_Dokumentide_uuendamine_kogus\"><\/span>$set Dokumentide uuendamine kogus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.update(\n  {name:\"Roman\"},\n  {\n   $set:{\n      name:\"Roman Zaitsev\",\n       age:18\n  }\n }\n)<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-20.png?w=857\" alt=\"\" class=\"wp-image-355\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.updateMany(\n    {},\n    {\n        $rename: {\n            name:\"fullname\"\n            }\n        }\n    )<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-21.png?w=531\" alt=\"\" class=\"wp-image-356\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BulkWrite_%E2%80%93_Mitmikparing\"><\/span>[BulkWrite] &#8211; Mitmikp\u00e4ring<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-syntaxhighlighter-code\">db.users.bulkWrite([\n    {\n        insertOne: {\n            document: { name: \"Maksim\", age: 18 }\n        }\n    },\n    {\n        deleteOne: {\n            filter: { name: \"melon\" }\n        }\n    }\n])<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-22.png?w=526\" alt=\"\" class=\"wp-image-357\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uhendamine_MongoDB-ga_JavaScripti_kaudu\"><\/span>\u00dchendamine MongoDB-ga JavaScripti kaudu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-17.png?w=1024\" alt=\"\" class=\"wp-image-352\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-18.png?w=134\" alt=\"\" class=\"wp-image-353\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/romanzaitsevtarpv.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-19.png?w=655\" alt=\"\" class=\"wp-image-354\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB on andmebaas, mis salvestab andmeid mitte tabelites nagu tavap\u00e4rased andmebaasid, vaid dokumentidena, mis sarnanevad objektidega. See on mugav keerukate ja erinevate andmete hoidmiseks. Kogu (collection) on nagu kaust v\u00f5i grupp, kuhu dokumente talletatakse. Seda v\u00f5ib v\u00f5rrelda tabeliga tavap\u00e4rases andmebaasis, kuid ilma rangete reegliteta. Dokument on \u00fcks eraldi objekt andmetega, mis on talletatud kogus. See [&hellip;]<\/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-342","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MongoDB - Roman Zaitsev Portfoolio | ENG<\/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:\/\/romanzaitsev24.thkit.ee\/wp\/eng\/mangodb\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB - Roman Zaitsev Portfoolio | ENG\" \/>\n<meta property=\"og:description\" content=\"MongoDB on andmebaas, mis salvestab andmeid mitte tabelites nagu tavap\u00e4rased andmebaasid, vaid dokumentidena, mis sarnanevad objektidega. See on mugav keerukate ja erinevate andmete hoidmiseks. Kogu (collection) on nagu kaust v\u00f5i grupp, kuhu dokumente talletatakse. Seda v\u00f5ib v\u00f5rrelda tabeliga tavap\u00e4rases andmebaasis, kuid ilma rangete reegliteta. Dokument on \u00fcks eraldi objekt andmetega, mis on talletatud kogus. 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See on mugav keerukate ja erinevate andmete hoidmiseks. Kogu (collection) on nagu kaust v\u00f5i grupp, kuhu dokumente talletatakse. Seda v\u00f5ib v\u00f5rrelda tabeliga tavap\u00e4rases andmebaasis, kuid ilma rangete reegliteta. Dokument on \u00fcks eraldi objekt andmetega, mis on talletatud kogus. 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