mysql command

MySQL merupakan database software yang banyak di gunakan untuk server server database. berikut beberapa command pada Mysql
1. login ke mysql database
…./bin/mysql -h hostname -u root -p

2. Create a database di mysql server

mysql> create database [databasename];

3. view list  database di server

mysql> show databases;

4. memindah database.

mysql> use [db name];

5.melihat tabel dalam database

mysql> show tables;

6. untuk melihat database’s field formats.

mysql> describe [table name];

7. untuk mengapus database.

mysql> drop database [database name];

8. perintah untu menghapus table

mysql> drop table [table name];

9. untuk melihat data dalam tabel

mysql> SELECT * FROM [table name];
10. membuat user pada database. Login as root. Switch to the MySQL db. Make the user. Update privs.

# mysql -u root -p
mysql> use mysql;
mysql> INSERT INTO user (Host,User,Password) VALUES(‘%’,'username’,PASSWORD(‘password’));
mysql> flush privileges;

11. merubah password dari unix shell.

# [mysql dir]/bin/mysqladmin -u username -h hostname.blah.org -p password ‘new-password’

12. merubah password dari mysql promt. login sebagai root. Set password. Update privs.

# mysql -u root -p
mysql> SET PASSWORD FOR ‘user’@'hostname’ = PASSWORD(‘passwordhere’);
mysql> flush privileges;

13. recover mysql password

# /etc/init.d/mysql stop
# mysqld_safe –skip-grant-tables &
# mysql -u root
mysql> use mysql;
mysql> update user set password=PASSWORD(“newrootpassword”) where User=’root’;
mysql> flush privileges;
mysql> quit
# /etc/init.d/mysql stop
# /etc/init.d/mysql start

14. mengganti password root

# mysqladmin -u root password newpassword

15. mengupdate a root password.

# mysqladmin -u root -p oldpassword newpassword

16.Mengijinkan user “peyank” user privilage pada mysql

# mysql -u root -p
mysql> use mysql;
mysql> grant usage on *.* to peyank@localhost identified by ‘passwd’;
mysql> flush privileges;

17. memberikan user privilage untuk user tertentu

# mysql -u root -p
mysql> use mysql;
mysql> INSERT INTO user (Host,Db,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv) VALUES (‘%’,'databasename’,'username’,'Y’,'Y’,'Y’,'Y’,'Y’,'N’);
mysql> flush privileges;
or
mysql> grant all privileges on databasename.* to username@localhost;
mysql> flush privileges;

18. update info untuk dalam table.

mysql> UPDATE [table name] SET Select_priv = ‘Y’,Insert_priv = ‘Y’,Update_priv = ‘Y’ where [field name] = ‘user’;

19 Delete a row dalam table.

mysql> DELETE from [table name] where [field name] = ‘whatever’;

20. Update database permissions/privilages.

mysql> flush privileges;

21 Delete a column.

mysql> alter table [table name] drop column [column name];

22.membuat kolom baru dalam database

mysql> alter table [table name] add column [new column name] varchar (20);

23.mengganti nama colom

mysql> alter table [table name] change [old column name] [new column name] varchar (50);

24. Make a unique column so you get no dupes.

mysql> alter table [table name] add unique ([column name]);
25. backup semua data dari mysql

# [mysql dir]/bin/mysqldump -u root -ppassword –opt >/tmp/alldatabases.sql

26. backup data dari salah satu user database.

# [mysql dir]/bin/mysqldump -u username -ppassword –databases databasename >/tmp/databasename.sql

27. backup tabel dari salah satu database

# [mysql dir]/bin/mysqldump -c -u username -ppassword databasename tablename > /tmp/databasename.tablename.sql

28. Restore database  from backup.

# [mysql dir]/bin/mysql -u username -ppassword databasename < /tmp/databasename.sql
Source :  http://www.pantz.org/software/mysql/mysqlcommands.html

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