To the point saja ya..... berikut adalah kumpulan perintah MySQL yang sering digunakan.
Anggap saja sebagai primbon nya MySQL hehe......
Untuk login (from unix shell) gunakan -h only if needed.
# [mysql dir]/bin/mysql -h hostname -u root –p
Untuk login (di command promt DOS)
Mis:
C:\mysql\bin>mysql –h hostname –u root -p
Membuat database di sql server.
mysql> create database [namaDatabase];
contoh :
Mysql>create database pegawai;
menampilkan semua databases di sql server.
mysql> show databases;
Switch to a database (memilih/mengganti database yang mau digunakan).
Jadi sebelum kita mau menggunakan suatu database, harus pake perintah ini dulu...joww....
mysql> use [db name];
contoh:
mysql>use pegawai;
untuk melihat semua tabel dalam suatu database.
mysql> show tables;
Untuk melihat field formats di suatu database.
mysql> describe [table name];
contoh: kita punya ‘tbl_gaji’ di database ‘pegawai’
mysql>describe tbl_gaji;
Untuk Menghapus Database.
mysql> drop database [database name];
contoh:
mysql>drop database pegawai;
catatan: hati-hati melakukan perintah ini, pastikan anda melakukan backup terlebih dahulu atau menyesal kemudian.....xxixixixixi
Untuk Menghapus Tabel.
mysql> drop table [table name];
contoh:
mysql>drop tbl_gaji;
Untuk Melihat semua data dalam suatu Tabel.
mysql> SELECT * FROM table_name;
contoh:
mysql>SELECT * FROM tbl_gaji;
Untuk menampilkan informasi kolom suatu tabel
mysql> show columns from table_name;
contoh:
mysql>show columns from tbl_gaji;
catatan: fungsinya hampir sama dengan perintah ‘describe’.
Untuk mem-filter baris data (mis: menampilkan baris data yang mempunyai nilai “200000”)
mysql> SELECT * FROM [table name] WHERE [field name] = "200000";
contoh :
mysql>SELECT * FROM tbl_gaji WHERE tunjangan=”200000”;
Menampilkan Semua Record yang berisi nama “Hendy” dan kota “bandung”
mysql> SELECT * FROM pegawai WHERE nama = "Hendy" AND kota = 'Bandung';
Menampilkan Semua Record selain nama “Hendy” dan kota “bandung” dan urutkan berdasarkan kota
mysql> SELECT * FROM pegawai WHERE nama != "Hendy" AND kota = 'Bandung' order by kota;
Show all records starting with the letters 'bob' AND the phone number '3444444'.
mysql> SELECT * FROM [table name] WHERE name like "Bob%" AND phone_number = '3444444';
Show all records starting with the letters 'bob' AND the phone number '3444444' limit to records 1 through 5.
mysql> SELECT * FROM [table name] WHERE name like "Bob%" AND phone_number = '3444444' limit 1,5;
Use a regular expression to find records. Use "REGEXP BINARY" to force case-sensitivity. This finds any record beginning with a.
mysql> SELECT * FROM [table name] WHERE rec RLIKE "^a";
Show unique records.
mysql> SELECT DISTINCT [column name] FROM [table name];
Show selected records sorted in an ascending (asc) or descending (desc).
mysql> SELECT [col1],[col2] FROM [table name] ORDER BY [col2] DESC;
Return number of rows.
mysql> SELECT COUNT(*) FROM [table name];
Sum column.
mysql> SELECT SUM(*) FROM [table name];
Join tables on common columns.
mysql> select lookup.illustrationid, lookup.personid,person.birthday from lookup left join person on lookup.personid=person.personid=statement to join birthday in person table with primary illustration id;
Creating a new user. 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;
Change a users password from unix shell.
# [mysql dir]/bin/mysqladmin -u username -h hostname.blah.org -p password 'new-password'
Change a users password from MySQL prompt. Login as root. Set the password. Update privs.
# mysql -u root -p
mysql> SET PASSWORD FOR 'user'@'hostname' = PASSWORD('passwordhere');
mysql> flush privileges;
Recover a MySQL root password. Stop the MySQL server process. Start again with no grant tables. Login to MySQL as root. Set new password. Exit MySQL and restart MySQL server.
# /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
Set a root password if there is on root password.
# mysqladmin -u root password newpassword
Update a root password.
# mysqladmin -u root -p oldpassword newpassword
Allow the user "bob" to connect to the server from localhost using the password "passwd". Login as root. Switch to the MySQL db. Give privs. Update privs.
# mysql -u root -p
mysql> use mysql;
mysql> grant usage on *.* to bob@localhost identified by 'passwd';
mysql> flush privileges;
Give user privilages for a db. Login as root. Switch to the MySQL db. Grant privs. Update privs.
# 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;
To update info already in a table.
mysql> UPDATE [table name] SET Select_priv = 'Y',Insert_priv = 'Y',Update_priv = 'Y' where [field name] = 'user';
Delete a row(s) from a table.
mysql> DELETE from [table name] where [field name] = 'whatever';
Update database permissions/privilages.
mysql> flush privileges;
Delete a column.
mysql> alter table [table name] drop column [column name];
Add a new column to db.
mysql> alter table [table name] add column [new column name] varchar (20);
Change column name.
mysql> alter table [table name] change [old column name] [new column name] varchar (50);
Make a unique column so you get no dupes.
mysql> alter table [table name] add unique ([column name]);
Make a column bigger.
mysql> alter table [table name] modify [column name] VARCHAR(3);
Delete unique from table.
mysql> alter table [table name] drop index [colmn name];
Load a CSV file into a table.
mysql> LOAD DATA INFILE '/tmp/filename.csv' replace INTO TABLE [table name] FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n' (field1,field2,field3);
Dump all databases for backup. Backup file is sql commands to recreate all db's.
# [mysql dir]/bin/mysqldump -u root -ppassword --opt >/tmp/alldatabases.sql
Dump one database for backup.
# [mysql dir]/bin/mysqldump -u username -ppassword --databases databasename >/tmp/databasename.sql
Dump a table from a database.
# [mysql dir]/bin/mysqldump -c -u username -ppassword databasename tablename > /tmp/databasename.tablename.sql
Restore database (or database table) from backup.
# [mysql dir]/bin/mysql -u username -ppassword databasename < /tmp/databasename.sql Create Table Example 1. mysql> CREATE TABLE [table name] (firstname VARCHAR(20), middleinitial VARCHAR(3), lastname VARCHAR(35),suffix VARCHAR(3),officeid VARCHAR(10),userid VARCHAR(15),username VARCHAR(8),email VARCHAR(35),phone VARCHAR(25), groups VARCHAR(15),datestamp DATE,timestamp time,pgpemail VARCHAR(255));
Create Table Example 2.
mysql> create table [table name] (personid int(50) not null auto_increment primary key,firstname varchar(35),middlename varchar(50),lastnamevarchar(50) default 'bato');
Anggap saja sebagai primbon nya MySQL hehe......
Untuk login (from unix shell) gunakan -h only if needed.
# [mysql dir]/bin/mysql -h hostname -u root –p
Untuk login (di command promt DOS)
Mis:
C:\mysql\bin>mysql –h hostname –u root -p
Membuat database di sql server.
mysql> create database [namaDatabase];
contoh :
Mysql>create database pegawai;
menampilkan semua databases di sql server.
mysql> show databases;
Switch to a database (memilih/mengganti database yang mau digunakan).
Jadi sebelum kita mau menggunakan suatu database, harus pake perintah ini dulu...joww....
mysql> use [db name];
contoh:
mysql>use pegawai;
untuk melihat semua tabel dalam suatu database.
mysql> show tables;
Untuk melihat field formats di suatu database.
mysql> describe [table name];
contoh: kita punya ‘tbl_gaji’ di database ‘pegawai’
mysql>describe tbl_gaji;
Untuk Menghapus Database.
mysql> drop database [database name];
contoh:
mysql>drop database pegawai;
catatan: hati-hati melakukan perintah ini, pastikan anda melakukan backup terlebih dahulu atau menyesal kemudian.....xxixixixixi
Untuk Menghapus Tabel.
mysql> drop table [table name];
contoh:
mysql>drop tbl_gaji;
Untuk Melihat semua data dalam suatu Tabel.
mysql> SELECT * FROM table_name;
contoh:
mysql>SELECT * FROM tbl_gaji;
Untuk menampilkan informasi kolom suatu tabel
mysql> show columns from table_name;
contoh:
mysql>show columns from tbl_gaji;
catatan: fungsinya hampir sama dengan perintah ‘describe’.
Untuk mem-filter baris data (mis: menampilkan baris data yang mempunyai nilai “200000”)
mysql> SELECT * FROM [table name] WHERE [field name] = "200000";
contoh :
mysql>SELECT * FROM tbl_gaji WHERE tunjangan=”200000”;
Menampilkan Semua Record yang berisi nama “Hendy” dan kota “bandung”
mysql> SELECT * FROM pegawai WHERE nama = "Hendy" AND kota = 'Bandung';
Menampilkan Semua Record selain nama “Hendy” dan kota “bandung” dan urutkan berdasarkan kota
mysql> SELECT * FROM pegawai WHERE nama != "Hendy" AND kota = 'Bandung' order by kota;
Show all records starting with the letters 'bob' AND the phone number '3444444'.
mysql> SELECT * FROM [table name] WHERE name like "Bob%" AND phone_number = '3444444';
Show all records starting with the letters 'bob' AND the phone number '3444444' limit to records 1 through 5.
mysql> SELECT * FROM [table name] WHERE name like "Bob%" AND phone_number = '3444444' limit 1,5;
Use a regular expression to find records. Use "REGEXP BINARY" to force case-sensitivity. This finds any record beginning with a.
mysql> SELECT * FROM [table name] WHERE rec RLIKE "^a";
Show unique records.
mysql> SELECT DISTINCT [column name] FROM [table name];
Show selected records sorted in an ascending (asc) or descending (desc).
mysql> SELECT [col1],[col2] FROM [table name] ORDER BY [col2] DESC;
Return number of rows.
mysql> SELECT COUNT(*) FROM [table name];
Sum column.
mysql> SELECT SUM(*) FROM [table name];
Join tables on common columns.
mysql> select lookup.illustrationid, lookup.personid,person.birthday from lookup left join person on lookup.personid=person.personid=statement to join birthday in person table with primary illustration id;
Creating a new user. 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;
Change a users password from unix shell.
# [mysql dir]/bin/mysqladmin -u username -h hostname.blah.org -p password 'new-password'
Change a users password from MySQL prompt. Login as root. Set the password. Update privs.
# mysql -u root -p
mysql> SET PASSWORD FOR 'user'@'hostname' = PASSWORD('passwordhere');
mysql> flush privileges;
Recover a MySQL root password. Stop the MySQL server process. Start again with no grant tables. Login to MySQL as root. Set new password. Exit MySQL and restart MySQL server.
# /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
Set a root password if there is on root password.
# mysqladmin -u root password newpassword
Update a root password.
# mysqladmin -u root -p oldpassword newpassword
Allow the user "bob" to connect to the server from localhost using the password "passwd". Login as root. Switch to the MySQL db. Give privs. Update privs.
# mysql -u root -p
mysql> use mysql;
mysql> grant usage on *.* to bob@localhost identified by 'passwd';
mysql> flush privileges;
Give user privilages for a db. Login as root. Switch to the MySQL db. Grant privs. Update privs.
# 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;
To update info already in a table.
mysql> UPDATE [table name] SET Select_priv = 'Y',Insert_priv = 'Y',Update_priv = 'Y' where [field name] = 'user';
Delete a row(s) from a table.
mysql> DELETE from [table name] where [field name] = 'whatever';
Update database permissions/privilages.
mysql> flush privileges;
Delete a column.
mysql> alter table [table name] drop column [column name];
Add a new column to db.
mysql> alter table [table name] add column [new column name] varchar (20);
Change column name.
mysql> alter table [table name] change [old column name] [new column name] varchar (50);
Make a unique column so you get no dupes.
mysql> alter table [table name] add unique ([column name]);
Make a column bigger.
mysql> alter table [table name] modify [column name] VARCHAR(3);
Delete unique from table.
mysql> alter table [table name] drop index [colmn name];
Load a CSV file into a table.
mysql> LOAD DATA INFILE '/tmp/filename.csv' replace INTO TABLE [table name] FIELDS TERMINATED BY ',' LINES TERMINATED BY '\n' (field1,field2,field3);
Dump all databases for backup. Backup file is sql commands to recreate all db's.
# [mysql dir]/bin/mysqldump -u root -ppassword --opt >/tmp/alldatabases.sql
Dump one database for backup.
# [mysql dir]/bin/mysqldump -u username -ppassword --databases databasename >/tmp/databasename.sql
Dump a table from a database.
# [mysql dir]/bin/mysqldump -c -u username -ppassword databasename tablename > /tmp/databasename.tablename.sql
Restore database (or database table) from backup.
# [mysql dir]/bin/mysql -u username -ppassword databasename < /tmp/databasename.sql Create Table Example 1. mysql> CREATE TABLE [table name] (firstname VARCHAR(20), middleinitial VARCHAR(3), lastname VARCHAR(35),suffix VARCHAR(3),officeid VARCHAR(10),userid VARCHAR(15),username VARCHAR(8),email VARCHAR(35),phone VARCHAR(25), groups VARCHAR(15),datestamp DATE,timestamp time,pgpemail VARCHAR(255));
Create Table Example 2.
mysql> create table [table name] (personid int(50) not null auto_increment primary key,firstname varchar(35),middlename varchar(50),lastnamevarchar(50) default 'bato');
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