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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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DELIMITER $$ DROP PROCEDURE IF EXISTS addColumnToTable $$ CREATE PROCEDURE addColumnToTable() BEGIN IF NOT EXISTS( (SELECT * FROM information_schema.COLUMNS WHERE TABLE_SCHEMA=DATABASE() AND COLUMN_NAME='knife_dragonlore2' AND TABLE_NAME='personalweapons_table') ) THEN ALTER TABLE personalweapons_table ADD knife_dragonlore2 varchar(24) NOT NULL DEFAULT ''; END IF; END $$ CALL addColumnToTable() $$ DELIMITER ;
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