Re: Adding PK to Existing Table

Try out this...

alter table <table name> add primary key(column name);

Best Regards,
Raghavendra
EnterpriseDB Corporation

On Fri, Apr 1, 2011 at 9:09 PM, Rich Shepard <rshepard(at)appl-ecosys(dot)com>wrote:

> In -9.0.3 I used ALTER TABLE to replace a varchar() column with a bigint
> column so it can be assigned as the table's primary key. From the 9.0.3
> manual I tried various flavors of ALTER TABLE <tablename> ADD CONSTRAINT
> but
> cannot find the proper syntax to create the PK. Do I need to first make the
> column UNIQUE, then add a NOT NULL constraint?
>
> Rich
>
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