Mar 31, 2011 · Now I want to remove this unique constraint/index using SQL script. I found its name UQ_users_7D78A4E7 in my local database but I suppose it has a different name on …

Feb 27, 2025 · Deleting a unique constraint removes the requirement for uniqueness for values entered in the column or combination of columns included in the constraint expression and …

DROP CONSTRAINT The DROP CONSTRAINT command is used to delete a UNIQUE, PRIMARY KEY, FOREIGN KEY, or CHECK constraint.

Aug 8, 2024 · The DROP INDEX statement doesn’t apply to indexes created by defining PRIMARY KEY or UNIQUE constraints. To remove the constraint and corresponding index, …

Mar 25, 2025 · In this article, learn how to remove constraints from a SQL Server Table including primary keys, foreign keys, check constraints, and more.

Apr 19, 2021 · Here, we see how to drop unique constraints using alter command. ALTER is used to add, delete/drop or modify columns in the existing table. It is also used to add and drop …

To drop this unique constraint, you would use the following SQL statement: ALTER TABLE Employees DROP CONSTRAINT UC_EmployeeID; It's important to note that the type of …

This SQL Server tutorial explains how to create, add, and drop unique constraints in SQL Server with syntax and examples. A unique constraint is a single field or combination of fields that …

Jun 8, 2010 · Unique constraints were added to a number of tables, but I have no idea what the names are at any particular instance. What I do know is the table/columnname pair that has …

Oct 3, 2024 · After analyzing the problem, I learned we must remove all the constraints related to that issue from the table. So, I have identified a few approaches to do this.