{"id":2753,"date":"2021-07-20T11:21:41","date_gmt":"2021-07-20T11:21:41","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=2753"},"modified":"2021-07-20T11:21:41","modified_gmt":"2021-07-20T11:21:41","slug":"mongodb-limit-zapisej","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/mongodb-limit-zapisej\/","title":{"rendered":"MongoDB \u2014 \u043b\u0438\u043c\u0438\u0442 \u0437\u0430\u043f\u0438\u0441\u0435\u0439"},"content":{"rendered":"\n

\u0412 \u044d\u0442\u043e\u0439 \u0433\u043b\u0430\u0432\u0435 \u043c\u044b \u0443\u0437\u043d\u0430\u0435\u043c, \u043a\u0430\u043a \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e MongoDB.<\/p>\n\n\n\n

\u041c\u0435\u0442\u043e\u0434 Limit ()<\/h2>\n\n\n\n

\u0427\u0442\u043e\u0431\u044b \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 MongoDB, \u0432\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 limit ()<\/strong> . \u041c\u0435\u0442\u043e\u0434 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u0434\u0438\u043d \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 \u0447\u0438\u0441\u043b\u043e\u0432\u043e\u0433\u043e \u0442\u0438\u043f\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b \u0445\u043e\u0442\u0438\u0442\u0435 \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442\u044c.<\/p>\n\n\n\n

\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441<\/h3>\n\n\n\n

\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043c\u0435\u0442\u043e\u0434\u0430 limit ()<\/strong> \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<\/p>\n\n\n\n

>db.COLLECTION_NAME.find().limit(NUMBER)\n<\/pre>\n\n\n\n
\u043f\u0440\u0438\u043c\u0435\u0440<\/h3>\n\n\n\n
\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e myycol, \u0438\u043c\u0435\u044e\u0449\u0443\u044e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435.<\/p>\n\n\n\n
{ \"_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
\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u043a\u0430\u0436\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u0432\u0430 \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
>db.mycol.find({},{\"title\":1,_id:0}).limit(2)\n{\"title\":\"MongoDB Overview\"}\n{\"title\":\"NoSQL Overview\"}\n><\/pre>\n\n\n\n
\u0415\u0441\u043b\u0438 \u0432\u044b \u043d\u0435 \u0443\u043a\u0430\u0436\u0435\u0442\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 number \u0432 \u043c\u0435\u0442\u043e\u0434\u0435 limit (),<\/strong> \u043e\u043d \u043e\u0442\u043e\u0431\u0440\u0430\u0437\u0438\u0442 \u0432\u0441\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b \u0438\u0437 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0438.<\/p>\n\n\n\n
MongoDB \u041f\u0440\u043e\u043f\u0443\u0441\u0442\u0438\u0442\u044c () \u043c\u0435\u0442\u043e\u0434<\/h2>\n\n\n\n
\u041f\u043e\u043c\u0438\u043c\u043e \u043c\u0435\u0442\u043e\u0434\u0430 limit (), \u0435\u0441\u0442\u044c \u0435\u0449\u0435 \u043e\u0434\u0438\u043d \u043c\u0435\u0442\u043e\u0434 skip (),<\/strong> \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442 \u0447\u0438\u0441\u043b\u043e\u0432\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432.<\/p>\n\n\n\n
\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441<\/h3>\n\n\n\n
\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043c\u0435\u0442\u043e\u0434\u0430 skip ()<\/strong> \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<\/p>\n\n\n\n
>db.COLLECTION_NAME.find().limit(NUMBER).skip(NUMBER)\n<\/pre>\n\n\n\n
\u043f\u0440\u0438\u043c\u0435\u0440<\/h3>\n\n\n\n
\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\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0432\u0442\u043e\u0440\u043e\u0439 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442.<\/p>\n\n\n\n
>db.mycol.find({},{\"title\":1,_id:0}).limit(1).skip(1)\n{\"title\":\"NoSQL Overview\"}\n><\/pre>\n\n\n\n
\u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 \u043c\u0435\u0442\u043e\u0434\u0435 skip ()<\/strong> \u0440\u0430\u0432\u043d\u043e 0.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0412 \u044d\u0442\u043e\u0439 \u0433\u043b\u0430\u0432\u0435 \u043c\u044b \u0443\u0437\u043d\u0430\u0435\u043c, \u043a\u0430\u043a \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e MongoDB. \u041c\u0435\u0442\u043e\u0434 Limit () \u0427\u0442\u043e\u0431\u044b \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 MongoDB, \u0432\u0430\u043c […]<\/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-2753","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\/2753","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=2753"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/2753\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=2753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=2753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=2753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}