mongodb partial update

http://www.f-z.cn/id/189MemcachedAdvantages of memcached:the memcached can take advantage of multicore advantages, with a very high single-instance throughput of hundreds of thousands of QPS (depending on key, the byte size of value, and server

One, Mongodump backup database1, Common command grid 1 mongodump -h IP --port 端口 -u 用户名 -p 密码 -d 数据库 -o 文件存在路径 If there is no user who can remove-u and-P. If you export the native database, you can remove-H. If it is

Advantages of memcached: The memcached can take advantage of multicore advantages, with a single instance throughput of up to hundreds of thousands of QPS (depending on key, the byte size of value, and server hardware performance, the peak of QPS

Zhang Ying published in 2013-12-03Category list: NoSQLTags: mongodb, backup, import, export, restoreMongoDB data backup and restore is mainly divided into two kinds, one is for the library of Mongodump and Mongorestore, one is for the table in the

Tag: base font size Field No query exp NTS index CINOriginal: http://www.jb51.net/article/52498.htmOne, Mongodump backup database1, Common command grid? 1 mongodump -h IP --port 端口 -u 用户名 -p 密码 -d 数据库 -o 文件存在路径 If

CreateIn MongoDB, you use the Insert method to insert a document into a collection and then save it to MongoDB. Db.foo.insert ({"hehe": "hehe"})If you want to bulk INSERT, you can use the following form: Db.foo.insert ([{"Hehe": "hehe"},{"haha":

One, Mongodump backup database 1, Common command grid Mongodump-h IP--port Port-u user name-p password-d database-o file existence path If there are no users who can remove-u and-P.If you export the database for this computer, you

MongoDB data backup and restore is mainly divided into two kinds, one is for the library of Mongodump and Mongorestore, one is for the table in the library mongoexport and Mongoimport.One, Mongodump backup database1, Common command grid

1. Insert is the basic method for MongoDB to Insert data. If you use Insert for the target set, this document is added to MongoDB and the corresponding ID key is automatically generated. The document structure adopts the JSON-like BSON type. Common

MongoDB data backup and restore is mainly divided into two kinds, one is for the library of Mongodump and Mongorestore, one is for the table in the library mongoexport and Mongoimport.One, Mongodump backup database1, Common command gridMongodump-h