convert mysql

The following articles mainly introduce how to use MySQL built-in functions to convert IP addresses and related numbers. In actual operations, when processing character formats, such as converting 54789, we only need to use: format (12345, 0). The

A simple way to convert SQLServer to MYSQL: Convert sqlserver to mysql This conversion depends on the Navicat Premium tool. First, move the database to the local SQL Server. I tried to directly transfer the database to another SQL server on the LAN.

Reference blog:Linux Learning CentOS (13) installation and configuration of MySQL database under--centos6.4MySQL multiple ways to change the root passwordBackup and restore of MySQLTroubleshoot MySQL import restore when the problem is garbledMySQL

Create a blog for mysql database, apacha server, and php Server 1. install mysql: Prepare zip: mysql-5.5.33-linux2.6-x86_64.tar.gz [Root @ www ~] # Groupadd-r mysql [Root @ www ~] # Useradd-g mysql-r-s/sbin/nologin mysql [Root @ www ~] # Id

In mysql, if I use common data sorting methods, we may not get the expected results, but mysql provides us with the CAST CONVERT function, which can CONVERT numbers accordingly, I used this function to sort Chinese characters in the past. Let's

MySQL stored procedure SP explanation 1. Introduction to stored procedures The commonly used Operating Database Language SQL statements must be compiled and then executed before execution. the Stored Procedure (Stored Procedure) is a set of SQL

1. Introduction to stored procedures The commonly used operating database language SQL statements must be compiled and then executed before execution. The Stored Procedure (Stored Procedure) is a set of SQL statements for specific functions, after

MySQL functions and Usage examples String functions ASCII (str)Returns the ASCII value of the first character of the string 'str' (0 is returned when 'str' is an empty string)Mysql> select ASCII ('2 ');-> 50Mysql> select ASCII (2 );-> 50Mysql>

String function string comparison function if the result length is greater than the maximum value of the max_allowed_packet system variable, the return value of the string value function is NULL. See section 7.5.2 "Adjust server Parameters ". String

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. Generally, the entire string is