db.adminCommand(nameOrDocument)-switchesto'admin'db,andruns command[just calls db.runCommand(...)]db.aggregate([pipeline], {options})-performs a collectionless aggregationonthisdatabase;returnsacursordb.auth(username, password) db.cloneDatabase(fromhost)-deprecated db.commandHelp(name)returnsthe hel...
格式:{"renameCollection":a,"to":b} 介绍:将集合a重命名为b,其中a和b都必须是完整的集合命名空间(例如"test.foo"代表test数据库中的foo集合) 示例: Shell代码 > db.runCommand({"renameCollection":"foo","to":"foo_bak"}) { "errmsg" : "access denied; use admin db", "ok" : 0 } > use ...
field,expireAfterSeconds:index.options.expireAfterSeconds,createStatement:ttlIndexStatement,dropStatement:dropTtlIndexStatement});}}}if(dbName==='admin'){constuserInfo=awaitdb.command({usersInfo:1});if(userInfo&&Array.isArray(userInfo.users)){users.push(...userInfo.users)...
To list all indexes of a certain type (such ashashedortext) for all collections in all database, run the following command inmongosh: //The following findsall hashed indexes db.adminCommand("listDatabases").databases.forEach(function(d){ ...
db.runCommand({listshards: 1}) 列出所有的shard server db.printShardingStatus(); 7、查看mongo均衡器 use config db.locks.find(( { _id : "balancer" })).pretty() state 只有 0 关闭 1 正在获取状态 2 正在均衡 8、添加分片:sh.addShard("IP:Port") ...
enabledforthe database.2016-08-31T22:13:06.571+0800 I CONTROL[initandlisten]** Read andwriteaccess to data and configuration is unrestricted.2016-08-31T22:13:06.571+0800 I CONTROL[initandlisten]>show databases;show databases;#查看数据库admin0.000GBlocal0.000GB>use admin#切换数据库>switched to db...
To connect to a local MongoDB instance running on port 27017 and use the default settings to export the content, runmongodumpwithout any command-line options: mongodump To specify a host and/or port of the MongoDB instance, you can: ...
version: '2'services: rs1: image: mongo:3.4 volumes: - /data/mongodbtest/replset/rs1:/data/db command: mongod --dbpath/data/db --replSet myset rs2: image: mongo:3.4 volumes: - /data/mongodbtest/replset/rs2:/data/db command: mongod --dbpath/data/db --replSet myset rs3: ...
by changing the count_deltas setting to true in config.js, the count documents command will also print out the change in the number of documents since the last count - by @pvdb API Additions Scripting Get a list of database names: (by @pvdb) 代码语言:javascript 代码运行次数:0 运行 ...
Connect to this mongod instance using the command prompt. To start a new replica set, use the Mongo client function rs.initiate(). Use the command rs.conf() to inspect the replica set setup (). Use the command rs.status() to verify the status of a replica set. Prerequisites Working ...