set global variable mysql

In common: case-insensitive, both variables Different points: Global variables are read-only in the system and can be modified in a configuration file Terminology classification for MySQL variables: 1. User variable: Starting with "@" in the form

1. Global & DynamicExample:slow_query_log? Display the value of the variable:Currently set to OFF? Set the variables of the global &dynamic type in a session:As you can see, a variable of type global must have its value set by the Global keyword. ?

Add by Zhj: In the MySQL5.6 of some parameters have been increased, see http://dev.mysql.com/doc/refman/5.6/en/server-system-variables.htmlOriginal: http://mageedu.blog.51cto.com/4265610/1062628Marco Education Linux operation and maintenance

Server system Variables (System variable)The MySQL system variable (systems variables) refers to the various system variables of the MySQL instance, which are actually some system parameters that are used to initialize or set the database to occupy

Tag: color is medium tar local str local SSI GlobalDescription: Now on the market defined variables of the tutorial and books are basically stored procedures are described, but the stored procedure variables can only be used in begin...end block,

Set Change root passwordNote: How to change the root password, about the root user is the MySQL Super administrator user, it is similar to the root user inside the Linux operating system, to distinguish between the root of MySQL and the system root

This article describes MySQL log management in detail. This article describes log types, log functions, and common server variables related to MySQL logs, if you need it, you can refer to the log file. it is very important for a server. it records

Variable assignment in mysql, mysql variable assignment Http://www.cnblogs.com/qixuejia/archive/2010/12/21/1913203.html   Variables in SQL server must be affirmed first and then assigned values: The local variables are identified with one @ and the

Autocommit = {0 | 1} sets whether MySQL transactions are automatically committed. 1 indicates immediate submission, and 0 indicates explicit submission. Global or session is a dynamic variable that can be used in the configuration file (but not in

As far as my current tests are concerned, this vulnerability has two reasons:1. Use the default mysql installation method. The mysql User does not have the permission to access the configuration file/etc/mysql/my. cnf;2. If selinux or apparmor is