To create a database using a command-line interface, the first task is to get access to the MongoDB cluster you are using via the MongoDB Shell. A shell is a program that allows you to enter commands into a software system. Prerequisites for using the CLI with MongoDB Atlas ...
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User Management Commands NameDescription createUser Creates a new user. updateUser Updates a user’s data. dropUser Removes a single user. dropAllUsersFromDatabase Deletes all users associated with a database. grantRolesToUser Grants a role and its privileges to a user. revokeRolesFromUser Remo...
2)删除数据库 直接使用db.dropDatabase()即可删除数据库。 3)创建集合 可以使用命令db.createCollection(name, { size : ..., capped : ..., max : ... } )创建集合,示例如下所示: db.createCollection('replicationColletion', {'capped':true, 'size':10240, 'max':17855200}) { "ok" : 1 } ...
1.2 use databaseName 选择库 show tables/collections 查看当前库下的collections 1.3 如何创建库 mongodb 的库是隐式创建,你可以use一个不存在的库 然后在该库下创建collection,即可创建库 1.4 db.createCollection('collectionName'); //创建collection
cloneDatabase(fromhost) db.commandHelp(name) returns the help for the command db.copyDatabase(fromdb, todb, fromhost) db.createCollection(name, { size : ..., capped : ..., max : ... } ) db.createUser(userDocument) db.currentOp() displays currently executing operations in the db db...
Enterprise Advanced自行运行和管理 MongoDBCommunity Edition使用 MongoDB 进行本地开发 工具 Compass在 GUI 中使用 MongoDB 数据集成与第三方服务集成Relational Migrator自信地迁移到 MongoDB 查看所有产品探索整个开发套件 使用MongoDB Atlas 构建应用 几分钟内即可免费开始使用 ...
db.cloneDatabase(fromhost) db.commandHelp(name) returns the help for the command db.copyDatabase(fromdb, todb, fromhost) db.createCollection(name, { size : …, capped : …, max : … } ) db.createUser(userDocument) db.currentOp() displays currently executing operations in the db ...
单个命令统计由command类的_commandsExecuted和_commandsFailed实现命令执行成功统计和失败统计,相关核心代码实现如下: 1.//该命令执行成功统计 2.void incrementCommandsExecuted() final { 3. _commandsExecuted.increment(); 4.} 5. 6.//该命令执行失败统计 7.void incrementCommandsFailed() final { 8. _command...
RunCommands(...)接口从message中解析出OpMsg信息,然后获取该OpMsg对应的command命令信息,最后执行该命令对应的后续处理操作。主要功能说明如下: ① 获取该OpCode对应replyBuilder,OP_MSG操作对应builder为OpMsgReplyBuilder。 ② 根据message解析出OpMsgRequest数据,OpMsgRequest来中包含了真正的命令请求bson信息。 ③ opC...