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Case has two formats. Simple case function and case search function.--Simple Case functionCase SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' END--case search functioncase If sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then ' women

Case has two formats. Simple case function and case search function.--Simple Case functionCase SexWhen ' 1 ' Then ' men 'When ' 2 ' then ' women 'Else ' other ' END--case search functioncase If sex = ' 1 ' Then ' man 'When sex = ' 2 ' Then ' women

MySQL常用指令，java，php程序员，数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the

MySQL builds a series of multiple instances. The so-called multi-instance is to build and run multiple MySQL instances on one server. each instance uses different service ports and listens through different sockets. physically, each instance has an

MySQL builds a series of multiple instances. The so-called multi-instance is to build and run multiple MySQL instances on one server. Each instance uses different service ports and listens through different sockets. Physically, each instance has an

Before is cacti monitoring MySQL, many parameters monitoring is not particularly clear, think about looking for Zabbix monitoring.Write a configuration file that monitors MySQLUserparameter=mysql. Ping,mysqladmin -uroot -p123456  ping|grep alive|wc -

MySQL character set ultimate solution [posting]   MySQL, an open-source database, has always been the first choice for small and medium-sized enterprises to build Web applications. In particular, It is a golden partner to cooperate with PHP and

The so-called multi-instance is to build and run multiple MySQL instances on a server. Each instance uses different service ports and listens through different sockets. Physically, each instance has an independent parameter configuration file and

Concrete Example 1. PHP Server ComponentsFor beginners, it is recommended to use the integrated server component, which already includes PHP, Apache, Mysql and other services, eliminating the time spent by developers in the tedious configuration

Connecting to the mysql database using C ++ APIs for addition, deletion, modification, and query I. environment configuration 1. install mysql and create a new C ++ console project (starting from the simplest one, this will be done and can be