mongodb select count

Original link http://www.cnblogs.com/zhangzili/p/4975080.htmlMongoDB knowledge points at a glance1. Start the MongoDB database:Go to the MongoDB installation directory and execute the following commandC:\Program

official website http://www.mongodb.org1, download Mongodb-win32-i386-latest.zip decompressionMongoDB 3.1.5 requires win7 to download and install memory patches HTTPS://SUPPORT.MICROSOFT.COM/ZH-CN/HOTFIX/KBHOTFIX?KBNUM=2731284KBLN=ZH-CN2, extract to

I. Mongodb introduction Mongo (www.mongodb.org) is a high-performance, open-source (DAI zhenjun daniu is studying Mongodb source code. You can go to www. cnblogs. comdaizhj), schema-free document-type database, which can be used in many scenarios to

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a

********************************** Connect to the MongoDB database * * ************************* format ("mongodb: username: password @ address: Specifies the database by default on the port ", parameter) $ connnewMongo (); can be abbreviated as $

Long wanted to write an article MongoDB, suffering from wood has time, today I have learned the MongoDB knowledge integration, share out, part of MongoDB knowledge from the network. No link here, if there is infringement, please contact me in time ..

#本次配置时间为 2014-11-06 software version: mongodb-linux-x86_64-2.4.3.tgzLinux:centos 5.9 64bit##############################################################This deployment of shards is only for the test environment: #10.8.10.234 10.8.10.235 10.8.10.236 #

This article mainly introduces the PHP operation MongoDB implementation of adding and removing functions, combined with examples of the form of a summary of the PHP operation MongoDB Common skills, and with PHP7 operation MongoDB method, with a

Copy Code code as follows: /** * PHP Operation MongoDB Learning Notes */ //************************* * * Connect MongoDB database **// //************************* Format => ("mongodb://Username: password @ address: Port/default

MongoDB, as the first database in NoSQL, has been using more and more people in recent years, and as a developer, it is necessary to understand the next MongoDB database. The following will give you the basic knowledge of the MongoDB database, there