PHP MySQL - Stilson.net

www.it-ebooks.infoCHAPTER 26 • INSTALLING AND CONFIGURING MYSQLMySQL’s Configuration and Optimization ParametersThis section introduces several basic configuration parameters that might be useful to tweak whengetting started managing the server. But first take a moment to review how you can quickly viewMySQL’s present settings.Viewing MySQL’s Configuration ParametersIn the preceding section, you learned how to call mysqld to learn what options are available to you. Tosee the present settings, you instead need to execute the mysqladmin client, like so:%>mysqladmin -u root -p variablesAlternatively, you can log in to the mysql client and execute the following command:mysql>SHOW VARIABLES;Doing so produces a lengthy list of variable settings similar to this:+---------------------------------+----------------------------+| Variable_name | Value |+---------------------------------+----------------------------+| auto_increment_increment | 1 || auto_increment_offset | 1 || automatic_sp_privileges | ON || back_log | 50 || basedir | C:\mysql5\ || binlog_cache_size | 32768 || bulk_insert_buffer_size | 8388608 || . . . | || version | 5.1.21-beta-community || version_comment | Official MySQL binary || version_compile_machine | ia32 || version_compile_os | Win32 || wait_timeout | 28800 |+---------------------------------+----------------------------+226 rows in set (0.00 sec)You can view the setting of a single variable by using the LIKE clause. For example, to determine thedefault storage engine setting, you use the following command:mysql>SHOW VARIABLES LIKE "table_type";497