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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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-- Hint: use Ctrl+Enter for SQL autocomplete CREATE TABLE clients ( id int auto_increment primary key, name varchar(64) ); INSERT INTO clients VALUES (1, 'Client One'), (2, 'Client Two'), (3, 'Client Three'); CREATE TABLE client_phonenumbers ( id int auto_increment primary key, client_id int, phone_type varchar(64), number varchar(64), FOREIGN KEY (client_id) REFERENCES clients(id) ); INSERT INTO client_phonenumbers VALUES (1, 1, 'home', '+1 (012) 34567'), (2, 1, 'work', '+1 (012) 53219'), (3, 2, 'home', '+1 (012) 26974'); SELECT JSON_OBJECT( 'name', client.name, 'phonenumbers', client.phonenumbers ) json_data FROM ( SELECT clients.name, JSON_ARRAYAGG( JSON_OBJECT( 'phone_type', client_phonenumbers.phone_type, 'number', client_phonenumbers.number ) ) phonenumbers FROM clients LEFT JOIN client_phonenumbers ON client_phonenumbers.client_id = clients.id GROUP BY clients.id, clients.name ) client ORDER BY client.name;
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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
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