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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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create table cliente( id_cliente int not null PRIMARY KEY auto_increment, nome_cliente varchar(50) not null, fone char(12) not null unique ); create table pedido( id_pedido int not null PRIMARY KEY auto_increment, data_pedido date not null, id_cliente int not null, CONSTRAINT fk_id_cliente FOREIGN key (id_cliente) REFERENCES cliente (id_cliente) ); alter table cliente add cpf varchar(12) not null unique; alter table pedido add cod_pedido int not null; alter table cliente drop column cpf; alter table pedido drop column cod_pedido; alter table cliente MODIFY COLUMN fone varchar(12) not null unique; alter table cliente RENAME COLUMN id_cliente to id_comprador; alter table cliente add CONSTRAINT fone_uniq unique(fone); alter table cliente drop CONSTRAINT fone_uniq; alter table cliente rename to clientes; alter table clientes rename to senhores; alter table senhores rename to clientes; alter table pedido rename to entregas; alter table entregas rename to embargacoes; alter table embargacoes rename to pedidos; desc clientes; desc pedidos; create table turma( id_turma int not null PRIMARY KEY auto_increment, sigla_turma varchar(30) not null unique, andar_turma char(1) not null ); create table estudante( ra_estudante int not null PRIMARY KEY auto_increment, nome_estudante varchar(40) not null, id_turma int not null, CONSTRAINT fk_id_turma FOREIGN key (id_turma) REFERENCES turma (id_turma) ); alter table estudante add RG char(12) not null unique; alter table turma add cod_turma char(6) not null unique; alter table estudante drop column RG; alter table turma drop column cod_turma; desc estudante; desc turma;
SQL
Server:
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
SQLite 3 Preloaded
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
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