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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 test ( id serial, name varchar ); INSERT INTO test (name) values ('один'),('два'),('три'),('четыре'),(NULL); --DROP * --FROM test --WHERE id < 3; SELECT * FROM test WHERE name >= 'о' AND name < 'п' AND id == 1; CREATE TABLE PERSON ( ID INTEGER PRIMARY KEY, LAST_NAME VARCHAR(255) NOT NULL, FIRST_NAME VARCHAR(255) NOT NULL, AGE INTEGER ); ALTER TABLE PERSON ADD PRIMARY KEY (ID); CREATE TABLE PERSON ( ID INTEGER, LAST_NAME VARCHAR(255), FIRST_NAME VARCHAR(255) NOT NULL, AGE INTEGER, CONSTRAINT PK_Person PRIMARY KEY (ID, LAST_NAME) ); ALTER TABLE PERSON ADD CONSTRAINT PK_Person PRIMARY KEY (ID, LAST_NAME); ALTER TABLE PERSON DROP CONSTRAINT PK_Person; CREATE TABLE ORDER ( ORDER_ID INTEGER, ORDER_NUMBER INTEGER NOT NULL, PERSON_ID INTEGER, PRIMARY KEY (ORDER_ID), CONSTRAINT FK_PersonOrder FOREIGN KEY (PERSON_ID) REFERENCES PERSON(PERSON_ID) ); ALTER TABLE ORDER ADD CONSTRAINT FK_PersonOrder FOREIGN KEY (PERSON_ID) REFERENCES PERSON(PERSON_ID); ALTER TABLE ORDER DROP CONSTRAINT FK_PersonOrder; ------------------------------------------ CREATE TABLE ORDER ( ORDER_ID INTEGER PRIMARY KEY, ORDER_NUMBER INTEGER NOT NULL, PERSON_ID INTEGER REFERENCES PERSON(PERSON_ID) ); ALTER TABLE ORDER ADD FOREIGN KEY (PERSON_ID) REFERENCES PERSON(PERSON_ID);
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MariaDB 10 Sakila (ReadOnly)
MySQL 5.7
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MySQL 8.0 Sakila (ReadOnly)
SQLite 3
PostgreSQL 10 Bookings (ReadOnly)
PostgreSQL 11
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MS SQL Server 2017
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Oracle Database 19c (HR)
Oracle Database 21c
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