SQLize Online / PHPize Online  /  SQLtest Online

A A A
Share      Blog   Popular
Copy Format Clear
create table t1 (id int); alter table t1 rename to t2; select * from t2; alter table t2 rename column id to id2; select * from t2; alter table t2 add constraint brands_stats_pk primary key (id2); alter table t2 drop constraint brands_stats_pk ;

Stuck with a problem? Got Error? Ask ChatGPT!

Copy Clear
Like the site? Share it!
Have a questions? Ask in our telegram chat!
© 2024 Free Online PostgreSQL 12 Playground: Practice & Master SQL Skills | About project | Disclaimer
PHP versions: PHP 5.6, PHP 7.4, PHP 8.0, PHP 8.1, PHP 8.2.13
RDBMS versions: MariaDB 11.4, MariaDB 11.5, MariaDB 10, MariaDB 10 Sakila (ReadOnly), MySQL 5.7, MySQL 5.7 Sakila (ReadOnly), MySQL 8.0, MySQL 8.0 Sakila (ReadOnly), SQLite 3, PostgreSQL 10 Bookings (ReadOnly), PostgreSQL 11, PostgreSQL 12, PostgreSQL 13, PostgreSQL 14, PostgreSQL 15, MS SQL Server 2017, MS SQL Server 2019, MS SQL Server 2022, MS SQL Server 2022 AdventureWorks (ReadOnly), Firebird 4.0, Firebird 4.0 (Employee), Oracle Database 19c (HR), Oracle Database 21c, Oracle Database 23c Free, SOQOL