db.adminCommand(nameOrDocument)-switchesto'admin'db,andruns command[just calls db.runCommand(...)]db.aggregate([pipeline], {options})-performs a collectionless aggregationonthisdatabase;returnsacursordb.auth(us
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 ...
Internal command that reports on the state of a sharded cluster. No support for M0 and Flex clusters, and serverless instances. isdbgrid Verifies that a process is a mongos. Yes listShards Returns a list of configured shards. No support for serverless instances. moveChunk Internal command that...
To access the config database, issue the following command in mongosh: use config In general, you should never edit the content of the config database directly. The config database contains the following collections: changelog chunks collections databases csrs.indexes mongos settings shards versio...
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") ...
('Failed to connect to MongoDB',err);return;}constadminDb=client.db('admin');adminDb.listDatabases(function(err,result){if(err){console.log('Failed to list databases',err);return;}constreplicaSetDb=result.databases.find(db=>db.replicaSet);console.log(replicaSetDb);client.close();});})...
Manually list additional visible databases by their names– In most cases, Studio 3T automatically lists the databases that should be visible to non-admin users. In some cases when this information isn’t available, you can check the box and manually specify them here. ...
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 ...
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: ...
package main import ( "context" "fmt" "github.com/mongodb/mongo-go-driver/mongo" "github.com/mongodb/mongo-go-driver/core/command" "github.com/mongodb/mongo-go-driver/bson" ) func main() { client, err := mongo.Connect(context.Background(), "mongodb://localhost:27017", nil) panic...