how to drop foreign key in sql server code example
Example 1: drop foreign key
ALTER TABLE table_name
DROP CONSTRAINT fk_name;
Example 2: how to remove foreign key constraint in sql
USE AdventureWorks2012;
GO
ALTER TABLE dbo.DocExe
DROP CONSTRAINT FK_Column_B;
GO
Example 3: mysql alter add foreign key
ALTER TABLE ordenes ADD ticket VARCHAR(50) NOT NULL;
ALTER TABLE ordenes ADD CONSTRAINT fk_ticket FOREIGN KEY (ticket) REFERENCES tickets(ticket);
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