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drop unique key constraint in sql server

/* To Drop Unique Key Constraint*/
ALTER TABLE Table_Name
DROP CONSTRAINT Constraint_Name
Comment

how to drop a unique constraint in sql

SHOW CREATE TABLE [tableName]
-- Find the constraintID after CONSTRAINT 'constraintID'
ALTER TABLE [tableName] DROP FOREIGN KEY constraintID
Comment

drop unique constraint

DROP INDEX index_name ON table_name;
OR
ALTER TABLE table_name DROP INDEX index_name;
Comment

drop unique constraint

DROP INDEX index_name ON table_name;
OR
ALTER TABLE table_name DROP INDEX index_name;
Comment

drop unique constraint

DROP INDEX index_name ON table_name;
OR
ALTER TABLE table_name DROP INDEX index_name;
Comment

drop unique constraint

DROP INDEX index_name ON table_name;
OR
ALTER TABLE table_name DROP INDEX index_name;
Comment

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