{"id":723,"date":"2025-06-05T11:36:25","date_gmt":"2025-06-05T08:36:25","guid":{"rendered":"https:\/\/nikitaorlenko.wordpress.com\/?page_id=723"},"modified":"2025-11-13T12:55:57","modified_gmt":"2025-11-13T12:55:57","slug":"mongodb","status":"publish","type":"page","link":"https:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/","title":{"rendered":"mongoDB"},"content":{"rendered":"\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:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/#Mis_on_mongoDB\" >Mis on mongoDB<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/#mongoDB_Kasutamine\" >mongoDB Kasutamine<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/#Pildid_konspekt\" >Pildid konspekt:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/#Mongo_uhendamine_node_jsiga\" >Mongo \u00fchendamine node jsiga<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"mison\"><span class=\"ez-toc-section\" id=\"Mis_on_mongoDB\"><\/span><strong>Mis on mongoDB<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>MongoDB<\/strong>&nbsp;on dokument-orienteeritud NoSQL-andmebaas, mis salvestab andmed JSON-sarnases vormis.<\/p>\n\n\n\n<p><strong>Kollektsioon<\/strong><br>See on dokumentide r\u00fchm, mis sarnaneb relaandmebaasi tabelile<br>ei n\u00f5ua fikseeritud skeemi, aga tavaliselt hoitakse sees sarnase struktuuriga kirjeid<\/p>\n\n\n\n<p><strong>Dokument<\/strong><br>on \u00fcks andme\u00fcksus, esitatuna v\u00f5tme-v\u00e4\u00e4rtuse paaridena (n\u00e4iteks tekst, number, massiiv, sisemine objekt)<br>k\u00e4itub nagu JSON-objekt, iga\u00fchel unikaalne _id-v\u00e4li primaarv\u00f5tmena<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kasutamine\"><span class=\"ez-toc-section\" id=\"mongoDB_Kasutamine\"><\/span><strong>mongoDB Kasutamine<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Tabeli loomine<\/strong><\/p>\n\n\n\n<p>\u00dclemises osas on mongosh konsool, kus k\u00e4sk show databases kuvab olemasolevad andmebaasid, seej\u00e4rel l\u00fclitutakse andmebaasi mongo ja k\u00e4ivitatakse db.createCollection(\u201cusers\u201d), mis tagastab { ok: 1 } ehk n\u00e4itab, et users-kollektsioon loodi edukalt. Alumises osas on graafiline kasutajaliides, mis kuvab \u00e4sjaloodud users-kollektsiooni kokkuv\u00f5tet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pildid_konspekt\"><\/span>Pildid konspekt:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-39.png?w=322\" alt=\"\" class=\"wp-image-864\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-40.png?w=1024\" alt=\"\" class=\"wp-image-866\"\/><\/figure>\n\n\n\n<p><strong>Andmete lisamine<\/strong><\/p>\n\n\n\n<p>Pildil n\u00e4idatakse, kuidas MongoDB users kollektsiooni lisatakse uus dokument. Seej\u00e4rel kuvatakse graafilises kasutajaliideses see \u00e4sja lisatud dokument.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/image.png?w=476\" alt=\"\" class=\"wp-image-726\" style=\"width:384px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/file_00000000e19061f497b536979362a786.png?w=1024\" alt=\"\" class=\"wp-image-748\" style=\"width:380px;height:auto\"\/><\/figure>\n\n\n\n<p><strong>Palju andmete lisamine<\/strong><\/p>\n\n\n\n<p>Pildil n\u00e4idatakse, kuidas MongoDB users kollektsiooni lisatakse korraga mitu uut dokumenti. Graafilises kasutajaliideses on n\u00fc\u00fcd n\u00e4ha nii eelmisel pildil dokument kui ka need viis uut dokumenti.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-43.png?w=387\" alt=\"\" class=\"wp-image-871\"\/><\/figure>\n\n\n\n<p><strong>Andmete otsimine kriteeriumi j\u00e4rgi<\/strong><\/p>\n\n\n\n<p>Pildid illustreerivad andmete otsimist MongoDB&nbsp;<code>users<\/code>&nbsp;kollektsioonist, kasutades&nbsp;<code>find()<\/code>&nbsp;k\u00e4sku. N\u00e4idatakse, kuidas leida kasutajaid t\u00e4pse v\u00e4\u00e4rtuse j\u00e4rgi. On toodud n\u00e4ide&nbsp;<code>$or<\/code>&nbsp;operaatori kasutamisest, et leida dokumente, mis vastavad v\u00e4hemalt \u00fchele mitmest m\u00e4\u00e4ratud tingimusest. Veel n\u00e4idatakse erinevate v\u00f5rdlusoperaatorite kasutamist vanuse v\u00e4lja puhul: otsitakse, kes on nooremad kui teatud vanus (<code>$lt<\/code>), teatud vanuses v\u00f5i nooremad (<code>$lte<\/code>), vanemad kui teatud vanus (<code>$gt<\/code>), teatud vanuses v\u00f5i vanemad (<code>$gte<\/code>), ning kasutajaid, kelle vanus ei ole teatud kindel v\u00e4\u00e4rtus (<code>$ne<\/code>).<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-47.png?w=381\" alt=\"\" class=\"wp-image-876\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/image-1.png?w=463\" alt=\"\" class=\"wp-image-727\" style=\"width:385px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/1000017138-1.png?w=1024\" alt=\"\" class=\"wp-image-751\" style=\"width:411px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-56.png?w=389\" alt=\"\" class=\"wp-image-889\"\/><\/figure>\n\n\n\n<p><strong>Sorteerimine<\/strong><\/p>\n\n\n\n<p>Pildil n\u00e4idatakse MongoDB users kollektsiooni dokumentide sorteerimist. Vasakul sorteeritakse vanuse j\u00e4rgi kasvavalt ({age: 1}). Paremal sorteeritakse vanuse j\u00e4rgi kahanevalt ({age: -1})<\/p>\n\n\n\n<p><strong>db.users.find().sort({age:1})<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/image-3.png?w=378\" alt=\"\" class=\"wp-image-729\"\/><\/figure>\n\n\n\n<p>ab.users.find().sort({age:-1})<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/image-4.png?w=393\" alt=\"\" class=\"wp-image-732\"\/><\/figure>\n\n\n\n<p><strong>Kirjete piiramine<\/strong><\/p>\n\n\n\n<p>Pildil n\u00e4idatakse, kuidas MongoDB-s piirata tagastatavate kirjete arvu ja filtreerida tulemusi vastavalt konkreetsetele tingimustele. \u00dcleval kasutatakse db.users.find().limit(4), et saada maksimaalselt neli esimest dokumenti. Allpool kasutatakse db.users.findOne() kahel viisil: otsides konkreetse _id j\u00e4rgi ja otsides esimese dokumendi, mille vanus on 18.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/nikitaorlenko.wordpress.com\/wp-content\/uploads\/2025\/06\/image-5.png?w=384\" alt=\"\" class=\"wp-image-733\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-63.png?w=491\" alt=\"\" class=\"wp-image-899\"\/><\/figure>\n\n\n\n<p><strong>Andmete muutmine<\/strong><\/p>\n\n\n\n<p>desc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-66.png\" alt=\"\" class=\"wp-image-904\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-69.png?w=195\" alt=\"\" class=\"wp-image-908\"\/><\/figure>\n\n\n\n<p><strong>Andmete kustutamine<\/strong><\/p>\n\n\n\n<p>desc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-72.png?w=245\" alt=\"\" class=\"wp-image-912\"\/><\/figure>\n\n\n\n<p><strong>Mitmekordne taotlus<\/strong><\/p>\n\n\n\n<p>desc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-76.png?w=384\" alt=\"\" class=\"wp-image-917\"\/><\/figure>\n\n\n\n<p><strong>Linkide t\u00fc\u00fcbid<\/strong><\/p>\n\n\n\n<p>desc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-80.png?w=340\" alt=\"\" class=\"wp-image-922\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-83.png?w=381\" alt=\"\" class=\"wp-image-926\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"uhendamine\"><span class=\"ez-toc-section\" id=\"Mongo_uhendamine_node_jsiga\"><\/span>Mongo \u00fchendamine node jsiga<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>desc<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-86.png?w=1022\" alt=\"\" class=\"wp-image-933\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-87.png?w=394\" alt=\"\" class=\"wp-image-934\"\/><\/figure>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" src=\"https:\/\/maksimts6.wordpress.com\/wp-content\/uploads\/2025\/05\/pilt-88.png?w=701\" alt=\"\" class=\"wp-image-936 size-full\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mis on mongoDB MongoDB&nbsp;on dokument-orienteeritud NoSQL-andmebaas, mis salvestab andmed JSON-sarnases vormis. KollektsioonSee on dokumentide r\u00fchm, mis sarnaneb relaandmebaasi tabelileei n\u00f5ua fikseeritud skeemi, aga tavaliselt hoitakse sees sarnase struktuuriga kirjeid Dokumenton \u00fcks andme\u00fcksus, esitatuna v\u00f5tme-v\u00e4\u00e4rtuse paaridena (n\u00e4iteks tekst, number, massiiv, sisemine objekt)k\u00e4itub nagu JSON-objekt, iga\u00fchel unikaalne _id-v\u00e4li primaarv\u00f5tmena mongoDB Kasutamine Tabeli loomine \u00dclemises osas on mongosh [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-723","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 - Nikita Orlenko \/ Portfoolio<\/title>\n<meta name=\"description\" content=\"MongoDB on dokument-orienteeritud NoSQL-andmebaas, mis salvestab andmed JSON-sarnases vormis ja toetab paindlikku andmete p\u00e4ringut.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nikitaorlenko24.thkit.ee\/WP\/mongodb\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"mongoDB - 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