How do I drop a primary key in PostgreSQL?

How do you drop a primary key?

Procedure1To drop primary keys using the Control Center: Expand the object tree until you see the Tables folder. Right-click the table you want to modify, and select Alter from the pop-up menu. ... 2To drop a primary key using the command line, enter: ALTER TABLE name DROP PRIMARY KEY.

Can a primary key column be dropped?

We can remove PRIMARY KEY constraint from a column of an existing table by using DROP keyword along with ALTER TABLE statement.

How do I change the primary key in a table Postgres?

To change the primary key of a table, delete the existing key using a DROP clause in an ALTER TABLE statement and add the new primary key. Note You must be logged in to the database using a database name before you can add a primary key or conduct any other referential integrity (RI) operation.

How do I change primary key in Pgadmin?

5 Answers1Select the table you want.2Ctrl + Alt + Enter or right-click / Properties.3Select "Constraints" tab.4At the left-bottom side of the form you will see the option "Primary Key"5Click add.6Select "Columns" tab.7Select the column you want as a key.8Click add.