The correct syntax is:
SELECT * FROM atm WHERE location IS NULL
Ross
On Thu, Mar 14, 2002 at 04:32:30PM +0500, awais wrote:
> Hi,
>
> We have a table named "atm" in our database which is uing latest driver of postgresql, it has a column named
"location",all records (which are more than 1) of "atm" table have this column value set as (null). When we executed
thequery "select * from atm where location=null ", 0 rows were returned, which was not we were expecting.
>
> We have another database using previous driver of postgresql, it also has a table named "atm" with a column named
"location",similarly all records (which are more than 1) of "atm" table have this column value set as (null), when we
executedthe query "select * from atm where location=null ", all rows were returned, which was according to our
expectations.
>
> Can u please describe how to tackle this problem.
>
> regards,
> Awais