Difference between revisions of "Mysql"
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=== for all databases === | === for all databases === | ||
| − | mysqldump --all-databases --user=root -p | gzip > all_databases.sql.gz | + | mysqldump --all-databases --user=root -p | gzip > all_databases.sql.gz |
restore: | restore: | ||
Revision as of 20:30, 6 October 2010
MySQL is a free database. This article describes how to install it, start it and how to connect to it. It has been tested with SUSE Linux 11.1 but should work with any Linux.
Contents
How to install mysql
sudo /sbin/yast -i mysql
How to start the database
sudo /etc/init.d/mysql start
How to connect to mysql
mysql
How to work with mysql
Here is a short example how to work with mysql, including an SQL statement:
$ mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.0.67 SUSE MySQL RPM
Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| test |
+--------------------+
3 rows in set (0.01 sec)
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables;
+---------------------------+
| Tables_in_mysql |
+---------------------------+
| columns_priv |
| db |
| func |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| host |
| proc |
| procs_priv |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+---------------------------+
17 rows in set (0.00 sec)
mysql> desc time_zone;
+------------------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+------------------+------------------+------+-----+---------+----------------+
| Time_zone_id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| Use_leap_seconds | enum('Y','N') | NO | | N | |
+------------------+------------------+------+-----+---------+----------------+
2 rows in set (0.00 sec)
mysql> select * from time_zone;
Empty set (0.00 sec)
mysql>
backup
create:
mysqldump <database> -h <host> -u <user> -p > dump.sql
for all databases
mysqldump --all-databases --user=root -p | gzip > all_databases.sql.gz
restore:
mysql <database> -h <host> -u <user> -p < dump.sql
