how to set session

Set session {code. Get session {code...} and set session $ Sid = session_id (); session ('uid', 100 ); The setting is successful. Get session Session_id ($ sid); session_start (); session ('uid'); // The value cannot be obtained. Reply

Yii Operation Session Example Introduction, yiisession instance This paper briefly introduces the method of using session in YII framework, the following steps are as follows: One, the difference from the standard PHP code: In the YII framework,

Differences between mysql status and variables First, you can use the following two commands to view the corresponding mysql system parameters.Show status like '% abc % ';Show variables like '% abc % '; However, many people do not understand the

RemarkEven if appealing using compress option has a constraint when preparing the backup, as clearly stated by Percona: Before can prepare the backup you'll need to uncompress all of the files with qpress. The error message you are: Xtrabackup: #####

Management MySQL master and slave has more than 2 years, managed more than 200 sets of MySQL master and slave, almost related to each version of the master and slave, this blog is summarized, part of it is from the network, most of it is based on

1: Binary logThe binary log records all DDL(data definition Language) statements and DML(Data Manipulation language) statements, but does not record statements that include data queries. Statements are saved as "events," which describe the process

MySQL is known for its ease of use, with the ability to install n different versions on the same server, facilitate testing, migrations, and more. In addition, for most Linux systems, the integration of MySQL, the lack of capital is installed.

MySQL Binlog Detailed1. PrefaceThe log is to record every change in the database into a dedicated file, which is called a log file. MySQL only opens the error log by default, because too many logs will affect the processing performance of the system.

I have a table w1000, there are 10 million data, this table structure is as follows:CREATE TABLE ' w1000 ' (' ID ' varchar ($) Not NULL,' Name ' varchar () DEFAULT NULL,' Age ' int (3) DEFAULT NULL,' Money ' double (8,2) DEFAULT NULL,' Address '

First, Mysqlbinlog IntroductionBinlog is also called the binary log file, it will be in MySQL all modify database data query in binary form to the log file, such as: Create,insert,drop,update, etc. (for the select operation is not recorded in the

Original: http://www.cnblogs.com/end/archive/2012/12/05/2803975.htmlIn MySQL 5.1, the improvement in replication is the introduction of new replication technologies: row-based replication.Several modes of MySQL replicationIn MySQL 5.1, the

5.6 Solution http://suifu.blog.51cto.com/9167728/1845457end_log_pos  with it, according to the POS value, can be found directly, find delete that data, Reverse (into insert) cause I'm working on the CREATE statement from the library, and the master

Original address: http://www.2cto.com/database/201108/100546.htmlThe MYSQLD server maintains two variables. Global variables affect the global operation of the server. Session variables affect specific client connection-related operations.When the

Management MySQL master and slave has more than 2 years, managed more than 200 sets of MySQL master and slave, almost related to each version of the master and slave, this blog is summarized, part of it is from the network, most of it is based on

Today, we want to learn how to use MySQL commands to manage accounts. We all know that MySQL commands can complete various tasks in actual applications, the following article describes how to manage accounts using MySQL commands. In the manual, the

Optimization of SQL statements in balanced MySQL -- INDEX 1 combines two indexes in parallel [SQL] ALTER TABLE album ADD INDEX name_release (name, first_released); EXPLAIN SELECT. name, ar. name,. first_released FROM album a inner join artist ar

The MariaDB database management system is a branch of MySQL. It is mainly maintained by the open-source community and licensed by GPL. One of the reasons for developing this branch is that Oracle has the potential risk of shutting down the source of

The following articles mainly describe how to set the actual solution for automatic MySQLbinlog cleaning and manual deletion. We all know that after the RBR mode is adopted for MySQL database replication, the format of binlog is ROW, which is mainly

In MySQL, the new replication technology is introduced, namely row-based replication. In short, this new technology is to focus on the changes in the table, rather In MySQL 5.1, the new replication technology is introduced, namely row-based

Internet Key Exchange (IKE)Before the two IPSec computers exchange data, they must first establish an agreement called "Security Association ", both parties need to reach an agreement on how to protect information, exchange information, and other