9M+vehicles serviced “We use MongoDB as the core database for our services, so any new innovative idea or new service we build, we automatically say, ‘We’re going to use MongoDB as the core platform,’ knowin
[root@centos6-vm01 ~]# mongo --help MongoDB shell version: 3.0.6 usage: mongo [options] [db address] [file names (ending in .js)] db address can be: foo foo database on local machine 192.169.0.5/foo foo database on 192.168.0.5 machine 192.169.0.5:9999/foo foo database on 192.16...
general options: --help print usage --version print the tool version and exit verbosity options: -v, --verbose more detailed log output (include multiple times for more verbosity, e.g. -vvvvv) --quiet hide all log output connection options: -h, --host= mongodb host to connect to (set...
runCommand(cmdObj) run a database command. if cmdObj is a string, turns it into {cmdObj: 1} db.serverStatus() db.setLogLevel(level,<component>) db.setProfilingLevel(level,slowms) 0=off 1=slow 2=all db.setVerboseShell(flag) display extra information in shell output db.setWriteConcern...
在mongodb新版本(version>=3.6)中,body解析及封装由op_msg.h和op_msg.cpp代码文件中的clase OpMsgRequest{}完成处理。 3.4 OpMsg报文解析封装核心代码实现 Mongodb从3.6版本开始默认使用OP_MSG操作作为默认opCode,是一种可扩展的消息格式,旨在包含其他操作码的功能,新版本读写请求协议都对应该操作码。OP_MSG对应...
db.runCommand(cmdObj) run a database command. if cmdObj is a string, turns it into {cmdObj:1} db.setProfilingLevel(level) 0=off,1=slow,2=all db.shutdownServer() 关闭当前服务程序 db.version() 返回当前程序的版本信息 数据集(表)操作语法 ...
mongod -version // 该命令会显示MongoDB数据库的相关信息,如果能显示信息,就表示已安装成功了!!! 2、MongoDB数据库中的常用述语: 1、在MongoDB中,数据库是以文件形式存储的,数据库目录中存储了相应的数据库! 2、在MongoDB中,把传统数据库中的 "表" 叫作:Collections "集合"!
mongod -version // 该命令会显示MongoDB数据库的相关信息,如果能显示信息,就表示已安装成功了!!!2、MongoDB数据库中的常用述语: 1、在MongoDB中,数据库是以文件形式存储的,数据库目录中存储了相应的数据库!2、在MongoDB中,把传统数据库中的"表" 叫作:Collections "集合"!3、在MongoDB中,向集合存储数据时...
(cmdObj) run a database command. if cmdObj is a string, turns it into { cmdObj : 1}35db.serverStatus()36db.setProfilingLevel(level,<slowms>) 0=off 1=slow 2=all37db.shutdownServer()38db.stats()39db.version() current version of the server40db.getMongo().setSlaveOk() allow ...
In theVersiondropdown, select the version of MongoDB to download. In thePlatformdropdown, selectWindows. In thePackagedropdown, selectmsi. ClickDownload. 2 Run the MongoDB installer. For example, from the Windows Explorer/File Explorer: