{"id":2751,"date":"2021-07-20T11:20:28","date_gmt":"2021-07-20T11:20:28","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=2751"},"modified":"2021-07-20T11:20:29","modified_gmt":"2021-07-20T11:20:29","slug":"mongodb-proekcziya","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/mongodb-proekcziya\/","title":{"rendered":"MongoDB \u2014 \u041f\u0440\u043e\u0435\u043a\u0446\u0438\u044f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0412 MongoDB \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u044f \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0432\u044b\u0431\u043e\u0440 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430 \u043d\u0435 \u0432\u044b\u0431\u043e\u0440\u043a\u0443 \u0432\u0441\u0435\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430.&nbsp;\u0415\u0441\u043b\u0438 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435 5 \u043f\u043e\u043b\u0435\u0439 \u0438 \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e 3, \u0432\u044b\u0431\u0435\u0440\u0438\u0442\u0435 \u0438\u0437 \u043d\u0438\u0445 \u0442\u043e\u043b\u044c\u043a\u043e 3 \u043f\u043e\u043b\u044f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u041c\u0435\u0442\u043e\u0434 find ()<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041c\u0435\u0442\u043e\u0434&nbsp;<strong>find ()<\/strong>&nbsp;, \u043e\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u0432&nbsp;<a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;rurl=translate.google.ru&amp;sl=en&amp;sp=nmt4&amp;tl=ru&amp;u=https:\/\/www.tutorialspoint.com\/mongodb\/mongodb_query_document.htm&amp;xid=17259,15700022,15700186,15700190,15700256,15700259,15700262&amp;usg=ALkJrhj8HzR4PbWefSfz97iQQm0WCQ_aHQ\">MongoDB Query Document,<\/a>&nbsp;\u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0432\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u043e\u0431\u043e\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u043b\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c.&nbsp;\u0412 MongoDB, \u043a\u043e\u0433\u0434\u0430 \u0432\u044b \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0435 \u043c\u0435\u0442\u043e\u0434&nbsp;<strong>find ()<\/strong>&nbsp;, \u043e\u043d \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442 \u0432\u0441\u0435 \u043f\u043e\u043b\u044f \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430.&nbsp;\u0427\u0442\u043e\u0431\u044b \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u044d\u0442\u043e, \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u043b\u0435\u0439 \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c 1 \u0438\u043b\u0438 0. 1 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u044f, \u0430 0 \u2014 \u0434\u043b\u044f \u0441\u043a\u0440\u044b\u0442\u0438\u044f \u043f\u043e\u043b\u0435\u0439.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043c\u0435\u0442\u043e\u0434\u0430\u00a0<strong>find ()<\/strong>\u00a0\u0441 \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0435\u0439 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<a href=\"https:\/\/go.acstat.com\/338604f0f4238d20?wid=782&amp;pid=178&amp;dl=https%3A%2F%2Fskillbox.ru%2Fcourse%2Fprofession-machine-learning%2F&amp;sid=40113cf0-e4cc-d9b5-25d0-72c2c46410cf\" target=\"_blank\" rel=\"noopener\">\u00a0<\/a><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&gt;db.COLLECTION_NAME.find({},{KEY:1})\n<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u043f\u0440\u0438\u043c\u0435\u0440<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e mycol, \u0438\u043c\u0435\u044e\u0449\u0443\u044e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">{ \"_id\" : ObjectId(5983548781331adf45ec5), \"title\":\"MongoDB Overview\"}\n{ \"_id\" : ObjectId(5983548781331adf45ec6), \"title\":\"NoSQL Overview\"}\n{ \"_id\" : ObjectId(5983548781331adf45ec7), \"title\":\"Tutorials Point Overview\"}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c\u0441\u044f \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u043f\u0440\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&gt;db.mycol.find({},{\"title\":1,_id:0})\n{\"title\":\"MongoDB Overview\"}\n{\"title\":\"NoSQL Overview\"}\n{\"title\":\"Tutorials Point Overview\"}\n&gt;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u043f\u043e\u043b\u0435&nbsp;<strong>_id<\/strong>&nbsp;\u0432\u0441\u0435\u0433\u0434\u0430 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043c\u0435\u0442\u043e\u0434\u0430&nbsp;<strong>find ()<\/strong>&nbsp;, \u0435\u0441\u043b\u0438 \u0432\u044b \u043d\u0435 \u0445\u043e\u0442\u0438\u0442\u0435 \u044d\u0442\u043e \u043f\u043e\u043b\u0435, \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0435\u0433\u043e \u0432 0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 MongoDB \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u044f \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0432\u044b\u0431\u043e\u0440 \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445, \u0430 \u043d\u0435 \u0432\u044b\u0431\u043e\u0440\u043a\u0443 \u0432\u0441\u0435\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430.&nbsp;\u0415\u0441\u043b\u0438 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0435 5 \u043f\u043e\u043b\u0435\u0439 \u0438 \u0432\u0430\u043c [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-2751","page","type-page","status-publish","hentry","category-mongodb"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/2751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=2751"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/2751\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=2751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=2751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=2751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}