db.adminCommand(nameOrDocument) - switches to 'admin' db, and runs command [just calls db.runCommand(...)] db.aggregate([pipeline], {options}) - performs a collectionless aggregation on this database; returns a cursor db.auth(username, password) db.cloneDatabase(fromhost) - deprecated db....
1 show dbs showdatabases ---显示当前的所有数据库 在MongoDB中,数据库和集合都不用手动创建 2 use 数据库名 --进入到指定的数据库中 3 db --db表示的是当前所处的数据库 4 show collections --显示数据库中所有的集合 CRUD 1 插入文档 db.<collection>.insert(doc) 向集合中插入文档 db.<collection>....
JobNamestring`bson:"jobName"`// 任务名字Commandstring`bson:"command"`// shell 命令Errstring`bson:"err"`// 脚本错误Contentstring`bson:"content"`// 脚本输出TimePoint TimePoint`bson:"timePoint"`// 执行时间点信息}// jobName过滤条件typeFindByJobNamestruct{ JobNamestring`bson:"jobName"`// 任...
从MongoDB 3.2,它使用WiredTiger作为其默认的存储引擎,也可以通过以下语句查询默认的存储引擎 1.mongodb入门命令 show databases/dbs 查看当前数据库(test(测试库)、admin(管理员库)、local(当前库)) show tables/collections 查看表 db.help()查看帮助信息 1. 2. 3. 2.如何创建数据库 mongodb的库是隐式创建的...
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME mongod 19027 root 7u IPv4 48419 0t0TCP*:27017 (LISTEN) 参数说明: --dbpath 指定数据存储目录 --logpath 指定日志存储目录 --fork 后台运行 --port 指定端口(默认27017) 连接数据库 [root@Centos-2 mongodb]# ./bin/mongo ...
kubectl run mongodb-client --rm --tty -i --restart='Never' --image docker.io/bitnami/mongodb:4.4.10-debian-10-r20 --command -- bash 代码语言:txt AI代码解释 kubectl get endpoints mongodb -o yaml kubectl run mongodb-client --rm --tty -i --restart='Never' --image [docker.io/bit...
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: ...
To list the databases available to the user, use the helpershow dbs. Create a New Database and Collection To create a new database, issue theuse <db>command with the database that you would like to create. For example, the following commands create both the databasemyNewDatabaseand the...
Once you have access to a cluster via the MongoDB Shell, you can see all the databases in the cluster that you have access to using theshowcommand: xxxxxxxxxx 3 1 > show dbs 2 admin0.000GB 3 local0.000GB Note thatadminandlocalare databases that are part of every MongoDB cluster. ...
Some of these commands have hidden features that can be enabled in themongo-hackerconfig, to make the command output even more useful: by changing thecount_deltassetting totrueinconfig.js, thecount documentscommand will also print out the change in the number of documents since the last count...