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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 Konto( KontoID CHAR(4) NOT NULL UNIQUE, NAME VARCHAR(30) NOT NULL, EMail VARCHAR(30) UNIQUE, Punkte INTEGER, PRIMARY KEY(KontoID), CHECK(Punkte < 1000), CHECK(Punkte >= 0) ); CREATE TABLE Eintrag( PostID INT NOT NULL UNIQUE, Autor VARCHAR(30) REFERENCES KontoID ON DELETE CASCADE, Datum DATE, Anonym BOOLEAN, PRIMARY KEY(PostID) ); INSERT INTO Eintrag VALUES (10,'1002','2005-11-11',FALSE); SELECT * FROM Eintrag; CREATE TABLE Kommentar( KontoID CHAR(4) REFERENCES KontoID ON DELETE CASCADE, PostID CHAR(4) REFERENCES PostID ON DELETE CASCADE, Zeit TIMESTAMP NOT NULL, Text VARCHAR(1024), PRIMARY KEY(KontoID, PostID, Zeit) ); ALTER TABLE Eintrag ADD Punkte INTEGER; ALTER TABLE Eintrag ADD Constraint PunkteRange CHECK(Punkte < 100); ALTER TABLE Eintrag ADD Inhalt VARCHAR(1024); SELECT * FROM Eintrag; ALTER TABLE Eintrag DROP Anonym;
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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
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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