mongodb update last element in array

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

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

MongoDB is a document database, and each document (DOC) represents a record of the data. Instead of the relational DB row can only use simple data types, doc can use complex data types: inline doc, arrays. An array of MongoDB is a collection of

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

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

1. PrefaceIn the previous article, we introduced MongoDB. Now, let's look at how to do a regular crud operation in MongoDB. After all, as a storage system, it is the basic function of the data to be increased and censored operation.The additions and

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

To use MongoDB, You need to import the following classes, not all of which are required.Import com. MongoDB. Mongo;Import com. MongoDB. dB;Import com. MongoDB. dbcollection;Import com. MongoDB. basicdbobject;Import com. MongoDB. dbobject;Import com.

: This article mainly introduces the PHP MongoDB learning notes. if you are interested in the PHP Tutorial, you can refer to them. /*** PHP MongoDB learning Notes*///*************************// ** Connect to the MongoDB database **////*************

Production Environment Best Practices1. Linux:1] disable the atime option of the file system/partitionVI/etc/fstabAdd noatime and nodiratime after the corresponding partition itemLabel =/1/ext3 defaults 1 1Label =/data1/Data ext4 defaults, noatime,