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This article mainly introduces what commonly used sentence commands are used to create MySQL, and the contents of the article are carefully selected and edited by the author, which are targeted and of great significance to everyone's reference. let's work with the author to understand what commonly used sentence commands are used to create MySQL.

MySQL common statement commands

Modify root password

SET PASSWORD FOR 'root'@'localhost' = PASSWORD (' newpass')

Create the database:

Create database cacti

Add new customers and grant permissions

Grant all on cacti.* to cacti@localhostidentified by "cacti"

Refresh permissions

Flush privileges

Import data

Mysql-uroot-p cacti use mysql

> update user set Update_priv ='Y 'whereuser =' root'

View temporary tables

Show variables like "tmp%"

Set the global temporary table size

Setglobal tmp_table_size=33554432

Modify MySQL remote connection permissions

Grant all privileges on *. * to 'root'@'%'identified by "123" with grant option

Show current user permissions

Show grants for root@'localhost'

Backup database

Mysqldump-uroot-p-database

Slow query log analysis

Open slow query

Log-slow-queries=/var/log/mysqld-slow.log

Long_query_time=2

/ / dbquery-slow

Query_time query time

Lock_time lock time

Number of rows returned by rows_send query

Number of rows for all queries in rows_examind

Timestamp timestamp

View the tablespace management type of the current database

Show variables like "innodb_file_per_table"

Innodb_file_per_table=1 to use exclusive tablespaces

Innodb_file_per_table=0 for using shared tablespaces

ON stands for independent tablespace management, and OFF stands for shared tablespace management

After reading the above about the common sentences and commands to create MySQL, many readers must have some understanding. If you need to get more industry knowledge and information, you can continue to follow our industry information column.

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