> help keys Tab completion and command history is available at the command prompt. Some emacs keystrokes are available too: Ctrl-A start of line Ctrl-E end of line Ctrl-K del to end of line Multi-line commands You can enter a multi line javascript expression. If parens, braces, etc. ...
7)向MongoDB导入数据 [root@centos6-vm01 ~]# mongoimport -d pagedb -c page --type csv --headerline --drop < csvORtsvFile.csv 说明:将文件csvORtsvFile.csv的数据导入到pagedb数据库的page集合中,使用cvs或tsv文件的列名作为集合的列名。 需要注意的是,使用--headerline选项时,只支持csv和tsv文件。
-c [ --collection ] arg collection to use (some commands) 17. -f [ --fields ] arg comma separated list of field names e.g. -f name,age 18. --fieldFile arg file with fields names - 1 per line 19. -q [ --query ] arg query filter, as a JSON string 20. --csv export to ...
对数据库进行管理和操作的基本命令,可以从上面获取到。如果想要得到更多,而且每个命令的详细用法,可以使用上面列出的db.listCommands()查询。另一个比较基础的是对指定数据库的集合进行操作、管理和监控,可以通过查询db.mycoll.help()获取到:1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21...
需要指定headerlinemongoimport -udba -pdba -dabc -ceee --type=csv --headerline --ignoreBlanks --drop --authenticationDatabase admin < backup/ddd.csv #不导入空字段,指定ignoreBlanks。 七:压缩数据文件,compact zjy:PRIMARY> db.runCommand({compact:"cdt1"}) #整理并重组数据文件中指定集合的数据...
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Configure MongoDB CLI settings through the command line, configuration file, or environment variables. Quick Start Get started with the MongoDB CLI and create a deployment and database users. Reference Review the MongoDB CLI commands and options. Troubleshooting Review advice for common issues. Relea...
Assigned user does not have access to getCmdLineOpts and serverStatus commands on the admin database. CTGGI0081 The volume group containingpath_namedoes not have enough free space CTGGI0082 A MongoDB instance with more than a single LVM volume mount point cannot be protected. ...
it result of the last line evaluated; use to further iterate DBQuery.shellBatchSize = x set default number of items to display on shell exit quit the mongo shell > db.help() DB methods: db.adminCommand(nameOrDocument) - switches to 'admin' db, and runs command [ just calls db.runComma...
If you are still getting the authentication issues, then it is worth verifying the username and password values. For this, you can connect to MongoDB using these credentials from the command line/terminal. To connect to the mongo shell and authenticate, run the following commands. The large nu...