Difference between revisions of "MySQL"
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Line 60: | Line 60: | ||
====Update data==== | ====Update data==== | ||
− | UPDATE <table_name> SET <column>= | + | UPDATE <table_name> SET <column>="<value>" WHERE <column>="<value>"; |
UPDATE mahasiswa SET nilai='90' WHERE npm='123'; | UPDATE mahasiswa SET nilai='90' WHERE npm='123'; | ||
Revision as of 14:53, 7 December 2022
Contents
Perintah
Login
mysql -u <username> -p
Kemudian isikan passwordnya
Melihat database yang ada
show databases;
Membuat database
CREATE DATABASE <nama_database>;
Drop database
DROP DATABASE <nama_database>;
Melihat tabel yang ada
show tables;
Membuat tabel
CREATE TABLE Mahasiswa ( NPM int(11) PRIMARY KEY, Nama varchar(255) NOT NULL );
Jika ID autoincrement
CREATE TABLE Barang ( Barangid int NOT NULL AUTO_INCREMENT, NamaBarang varchar(255) NOT NULL, PRIMARY KEY (Barangid) );
Modifikasi tabel
ALTER TABLE Mahasiswa ADD Email varchar(255); ALTER TABLE Mahasiswa DROP COLUMN Email; ALTER TABLE <table_name> MODIFY COLUMN <column_name> <datatype>; ALTER TABLE <table_name> RENAME COLUMN <old_column_name> TO <new_column_name>;
Insert data
INSERT INTO Mahasiswa (NPM, Nama) VALUES ('001', 'Mahasiswa 1'), ('002', 'Mahasiswa 2');
Update data
UPDATE <table_name> SET <column>="<value>" WHERE <column>="<value>"; UPDATE mahasiswa SET nilai='90' WHERE npm='123';
Export sql
mysqldump -u <username> -p <nama-database> > db.sql
Import sql
mysql -u <username> -p <nama-database> < db.sql
GRANT ALL
create user 'user' identified by 'password'; grant all privileges on database-name.* to 'user';