{"id":6979,"date":"2015-03-25T22:10:12","date_gmt":"2015-03-26T02:10:12","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=6979"},"modified":"2015-03-25T22:04:45","modified_gmt":"2015-03-26T02:04:45","slug":"mongodb-update-document","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=6979","title":{"rendered":"MongoDB Update Document"},"content":{"rendered":"

MongoDB \u0986\u09aa\u09a1\u09c7\u099f \u09a1\u0995\u09c1\u09cd\u09ae\u09c7\u09a8\u09cd\u099f
\n\u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4<\/p>\n

MongoDB \u098f\u09b0 update() \u098f\u09ac\u0982 save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995\u099f\u09bf \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u09c7 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df\u0964 \u09af\u0996\u09a8 save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a8\u09a5\u09bf save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09cd\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0997\u09c3\u09b9\u09c0\u09a4 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09b8\u09be\u09a5\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7
\n\u09a4\u0996\u09a8 update() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u098f\u09b0 value \u09ac\u09be \u09ae\u09be\u09a8\u0995\u09c7 \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09c7\u0964<\/p>\n

MongoDB update() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf
\nupdate() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09ae\u09be\u09a8\u0995\u09c7 \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09c7\u0964<\/p>\n

\u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8:
\nupdate() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09b0 \u09ac\u09c7\u09b8\u09bf\u0995 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09ac\u09be \u09ac\u09be\u0995\u09cd\u09af-\u0997\u09a0\u09a8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa\u0983<\/p>\n

>db.COLLECTION_NAME.update(SELECTIOIN_CRITERIA, UPDATED_DATA)<\/p>\n

\u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983
\n\u099a\u09b2\u09c1\u09a8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09a4\u09a5\u09cd\u09af\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 myycol \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u099f\u09bf \u09ac\u09bf\u09ac\u09c7\u099a\u09a8\u09be \u0995\u09b0\u09bf\u0983<\/p>\n

{ “_id” : ObjectId(5983548781331adf45ec5), “title”:”MongoDB Overview”}
\n{ “_id” : ObjectId(5983548781331adf45ec6), “title”:”NoSQL Overview”}
\n{ “_id” : ObjectId(5983548781331adf45ec7), “title”:”Tutorials Point Overview”}<\/p>\n

\u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u099f\u09bf ‘MongoDB Overview’ \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09a8\u09a4\u09c1\u09a8 \u099f\u09be\u0987\u099f\u09c7\u09b2 ‘New MongoDB Tutorial’ \u09b8\u09c7\u099f \u0995\u09b0\u09ac\u09c7 \u0964<\/p>\n

>db.mycol.update({‘title’:’MongoDB Overview’},{$set:{‘title’:’New MongoDB Tutorial’}})
\n>db.mycol.find()
\n{ “_id” : ObjectId(5983548781331adf45ec5), “title”:”New MongoDB Tutorial”}
\n{ “_id” : ObjectId(5983548781331adf45ec6), “title”:”NoSQL Overview”}
\n{ “_id” : ObjectId(5983548781331adf45ec7), “title”:”Tutorials Point Overview”}
\n><\/p>\n

\u09a1\u09bf\u09ab\u09b2\u09cd\u099f\u09ad\u09be\u09ac\u09c7 mongodb \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u09b8\u09bf\u0999\u09cd\u0997\u09c7\u09b2 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09c7\u0964 \u0985\u09a7\u09bf\u0995 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 \u0986\u09aa\u09a8\u09be\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09aa\u09cd\u09af\u09be\u09b0\u09be\u09ae\u09bf\u099f\u09be\u09b0 ( ‘multi’ true ) \u09af\u09cb\u0997 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964
\n\u09af\u09c7\u09ae\u09a8-<\/p>\n

title’:’MongoDB Overview’},{$set:{‘title’:’New MongoDB Tutorial’}},{multi:true})<\/p>\n

MongoDB Save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf
\nsave() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0997\u09c3\u09b9\u09c0\u09a4 \u09a8\u09a4\u09c1\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7\u0964<\/p>\n

\u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8:
\nsave() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09b0 \u09ac\u09c7\u09b8\u09bf\u0995 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09ac\u09be \u09ac\u09be\u0995\u09cd\u09af-\u0997\u09a0\u09a8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa\u0983<\/p>\n

>db.COLLECTION_NAME.save({_id:ObjectId(),NEW_DATA})<\/p>\n

\u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983
\n\u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u099f\u09bf _id ‘5983548781331adf45ec7’ \u098f\u09b0 \u09b8\u0999\u09cd\u0997\u09c7 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u099f\u09bf\u0995\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09ac\u09c7\u0964<\/p>\n

>db.mycol.save(
\n{
\n“_id” : ObjectId(5983548781331adf45ec7), “title”:”Tutorials Point New Topic”, “by”:”Tutorials Point”
\n}
\n)
\n>db.mycol.find()
\n{ “_id” : ObjectId(5983548781331adf45ec5), “title”:”Tutorials Point New Topic”, “by”:”Tutorials Point”}
\n{ “_id” : ObjectId(5983548781331adf45ec6), “title”:”NoSQL Overview”}
\n{ “_id” : ObjectId(5983548781331adf45ec7), “title”:”Tutorials Point Overview”}
\n><\/p>\n","protected":false},"excerpt":{"rendered":"

MongoDB \u0986\u09aa\u09a1\u09c7\u099f \u09a1\u0995\u09c1\u09cd\u09ae\u09c7\u09a8\u09cd\u099f \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 MongoDB \u098f\u09b0 update() \u098f\u09ac\u0982 save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995\u099f\u09bf \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u09c7 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df\u0964 \u09af\u0996\u09a8 save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a8\u09a5\u09bf save() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u09cd\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u0997\u09c3\u09b9\u09c0\u09a4 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09b8\u09be\u09a5\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09a8 \u0995\u09b0\u09c7 \u09a4\u0996\u09a8 update() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u098f\u09b0 value \u09ac\u09be \u09ae\u09be\u09a8\u0995\u09c7 \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09c7\u0964 MongoDB update() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf update() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09bf\u09a6\u09cd\u09af\u09ae\u09be\u09a8 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09ae\u09be\u09a8\u0995\u09c7 \u0986\u09aa\u09a1\u09c7\u099f \u0995\u09b0\u09c7\u0964 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8: update() … <\/p>\n

Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1,222],"tags":[],"class_list":["post-6979","post","type-post","status-publish","format-standard","hentry","category-root","category-----mongodb-001","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":6987,"url":"http:\/\/bangla.sitestree.com\/?p=6987","url_meta":{"origin":6979,"position":0},"title":"MongoDB Limit Records","author":"Author-Check- Article-or-Video","date":"April 24, 2015","format":false,"excerpt":"MongoDB \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u09b8 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 \u00a0 Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u09a4\u09c7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u0995\u09c7 \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 limit() \u09ae\u09c7\u09a5\u09a1 \u09ac\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u09c7\u09b0 \u099f\u09be\u0987\u09aa \u09b8\u09ae\u09b0\u09cd\u09a5\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09bf \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09a4\u09c7 \u099a\u09be\u0987\u099b\u09c7\u09a8\u0964 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8\u0983 limit() \u098f\u09b0 \u09ac\u09c7\u09b8\u09bf\u0995 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa\u0983 >db.COLLECTION_NAME.find().limit(NUMBER) \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09a4\u09a5\u09cd\u09af\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 myycol \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u099f\u09bf\u2026","rel":"","context":"In "Root"","block_context":{"text":"Root","link":"http:\/\/bangla.sitestree.com\/?cat=1"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6993,"url":"http:\/\/bangla.sitestree.com\/?p=6993","url_meta":{"origin":6979,"position":1},"title":"MongoDB Aggregation","author":"Author-Check- Article-or-Video","date":"March 11, 2015","format":false,"excerpt":"MongoDB \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u09b8 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 * Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u09a4\u09c7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u0995\u09c7 \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 limit() \u09ae\u09c7\u09a5\u09a1 \u09ac\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u09c7\u09b0 \u099f\u09be\u0987\u09aa \u09b8\u09ae\u09b0\u09cd\u09a5\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09bf \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09a4\u09c7 \u099a\u09be\u0987\u099b\u09c7\u09a8\u0964 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8\u0983 limit() \u098f\u09b0 \u09ac\u09c7\u09b8\u09bf\u0995 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa\u0983 >db.COLLECTION_NAME.find().limit(NUMBER) \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09a4\u09a5\u09cd\u09af\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 myycol \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u099f\u09bf\u2026","rel":"","context":"In "\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB"","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":7295,"url":"http:\/\/bangla.sitestree.com\/?p=7295","url_meta":{"origin":6979,"position":2},"title":"MongoDB \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u09b8","author":"Author-Check- Article-or-Video","date":"March 16, 2015","format":false,"excerpt":"MongoDB \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u09b8 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 * Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u09a4\u09c7 \u09b0\u09c7\u0995\u09b0\u09cd\u09a1\u0995\u09c7 \u09b8\u09c0\u09ae\u09be\u09ac\u09a6\u09cd\u09a7 \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 limit() \u09ae\u09c7\u09a5\u09a1 \u09ac\u09be \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 Limit() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u098f\u0995 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0\u09c7\u09b0 \u099f\u09be\u0987\u09aa \u09b8\u09ae\u09b0\u09cd\u09a5\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09bf \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09a4\u09c7 \u099a\u09be\u0987\u099b\u09c7\u09a8\u0964 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8\u0983 limit() \u098f\u09b0 \u09ac\u09c7\u09b8\u09bf\u0995 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b0\u09c2\u09aa\u0983 >db.COLLECTION_NAME.find().limit(NUMBER) \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u0983 \u09a8\u09bf\u09ae\u09cd\u09a8\u09b2\u09bf\u0996\u09bf\u09a4 \u09a4\u09a5\u09cd\u09af\u09c7\u09b0 \u09b8\u09be\u09a5\u09c7 myycol \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u099f\u09bf\u2026","rel":"","context":"In "\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB"","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6985,"url":"http:\/\/bangla.sitestree.com\/?p=6985","url_meta":{"origin":6979,"position":3},"title":"MongoDB Projection","author":"Author-Check- Article-or-Video","date":"March 16, 2015","format":false,"excerpt":"MongoDB \u09aa\u09cd\u09b0\u099c\u09c7\u0995\u09b6\u09a8 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 MongoDB \u09aa\u09cd\u09b0\u099c\u09c7\u0995\u09b6\u09a8 MongoDB \u09aa\u09cd\u09b0\u099c\u09c7\u0995\u09b6\u09a8\u09c7\u09b0 \u0985\u09b0\u09cd\u09a5 \u09b9\u099a\u09cd\u099b\u09c7 \u098f\u0995\u099f\u09bf \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09b8\u0995\u09b2 \u09a4\u09a5\u09cd\u09af \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u09a8\u09be \u0995\u09b0\u09c7 \u09ac\u09b0\u0982 \u09b6\u09c1\u09a7\u09c1\u09ae\u09be\u09a4\u09cd\u09b0 \u09aa\u09cd\u09b0\u09af\u09bc\u09cb\u099c\u09a8\u09c0\u09af\u09bc \u09a4\u09a5\u09cd\u09af \u09a8\u09bf\u09b0\u09cd\u09ac\u09be\u099a\u09a8 \u0995\u09b0\u09be\u0964 \u09af\u09a6\u09bf \u098f\u0995\u099f\u09bf \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09eb\u099f\u09bf \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u09a5\u09be\u0995\u09c7 \u098f\u09ac\u0982 \u0986\u09aa\u09a8\u09be\u09b0 \u09e9\u099f\u09bf \u09a6\u09c7\u0996\u09be\u09a8\u09cb\u09b0 \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 \u09b9\u09df \u09a4\u09be\u09b9\u09b2\u09c7 \u098f\u09a6\u09c7\u09b0 \u09ae\u09a7\u09cd\u09af \u09a5\u09c7\u0995\u09c7 \u09b6\u09c1\u09a7\u09c1 \u09e9\u099f\u09bf \u09b8\u09bf\u09b2\u09c7\u0995\u09cd\u099f \u0995\u09b0\u09c1\u09a8\u0964 find() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u098f\u09b0 find() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf\u2026","rel":"","context":"In "\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB"","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6989,"url":"http:\/\/bangla.sitestree.com\/?p=6989","url_meta":{"origin":6979,"position":4},"title":"MongoDB Sort Documents . MongoDB \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09ac\u09be\u099b\u09be\u0987","author":"Author-Check- Article-or-Video","date":"March 25, 2015","format":false,"excerpt":"MongoDB \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09ac\u09be\u099b\u09be\u0987 \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 sort() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09ac\u09be\u099b\u09be\u0987 \u0995\u09b0\u09a4\u09c7 \u09b9\u09b2\u09c7 \u0986\u09aa\u09a8\u09be\u0995\u09c7 sort() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09ac\u09c7\u0964 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u09a4\u09be\u09b2\u09bf\u0995\u09be \u09a7\u09be\u09b0\u09a3\u0995\u09be\u09b0\u09c0 \u098f\u09ac\u0982 \u09a4\u09be\u09a6\u09c7\u09b0 \u09ac\u09be\u099b\u09be\u0987 \u0995\u09cd\u09b0\u09ae\u09c7\u09b0 \u09b8\u0999\u09cd\u0997\u09c7, sort() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0997\u09cd\u09b0\u09b9\u09a3 \u0995\u09b0\u09c7\u0964 \u09ac\u09be\u099b\u09be\u0987 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09df\u09be \u0989\u09b2\u09cd\u09b2\u09c7\u0996 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af 1 \u098f\u09ac\u0982 -1 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df\u0964 1 \u0995\u09cd\u09b0\u09ae \u098a\u09b0\u09cd\u09a7\u09cd\u09ac\u0997\u09be\u09ae\u09c0\u09a4\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09af\u09bc \u09af\u0996\u09a8\u2026","rel":"","context":"In "Root"","block_context":{"text":"Root","link":"http:\/\/bangla.sitestree.com\/?cat=1"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6983,"url":"http:\/\/bangla.sitestree.com\/?p=6983","url_meta":{"origin":6979,"position":5},"title":"MongoDB Delete Document . MongoDB \u09a1\u09bf\u09b2\u09bf\u099f \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f","author":"Author-Check- Article-or-Video","date":"March 6, 2015","format":false,"excerpt":"MongoDB \u09a1\u09bf\u09b2\u09bf\u099f \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09a8\u09df\u09a8 \u099a\u09a8\u09cd\u09a6\u09cd\u09b0 \u09a6\u09a4\u09cd\u09a4 remove() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf MongoDB \u098f\u09b0 remove() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8 \u09a5\u09c7\u0995\u09c7 \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u09a1\u09bf\u09b2\u09bf\u099f \u0995\u09b0\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df\u0964 \u09a6\u09c1\u099f\u09bf \u09aa\u09cd\u09af\u09be\u09b0\u09be\u09ae\u09bf\u099f\u09be\u09b0 \u09ac\u09be\u09a6\u09c7 \u09b8\u09ac\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 remove() \u09aa\u09a6\u09cd\u09a7\u09a4\u09bf \u0997\u09cd\u09b0\u09a3\u09af\u09cb\u0997\u09cd\u09af \u09b9\u09df\u0964 \u098f\u0995\u099f\u09bf deletion criteria \u098f\u09ac\u0982 \u0985\u09a8\u09cd\u09af\u099f\u09bf justOne flag \u0964 \u09e7\u0964 deletion criteria: (\u0985\u09aa\u09b6\u09a8\u09be\u09b2) \u09a1\u0995\u09c1\u09ae\u09c7\u09a8\u09cd\u099f \u0985\u09a8\u09c1\u09af\u09be\u09df\u09c0 deletion criteria \u09ae\u09c7\u099b\u09c7 \u09ab\u09c7\u09b2\u09be \u09b9\u09ac\u09c7\u0964 \u09e8\u0964 justOne: \u09af\u09a6\u09bf \u09b8\u09a4\u09cd\u09af\u2026","rel":"","context":"In "\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB"","block_context":{"text":"\u09ae\u0999\u09cd\u0997 \u09a1\u09bf \u09ac\u09bf \u0964 MongoDB","link":"http:\/\/bangla.sitestree.com\/?cat=222"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/6979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6979"}],"version-history":[{"count":2,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/6979\/revisions"}],"predecessor-version":[{"id":7497,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/6979\/revisions\/7497"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6979"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}