On Sun, Sep 18, 2005 at 07:40:26PM +0100, ShepherdHill DB Subscriptions wrote:
> Hi,
>
> I have a table with this schema:
>
> CREATE TABLE billing.bill
> (
> sno serial NOT NULL,
> billno int4,
> det date NOT NULL,
> .
> .
> .
> CONSTRAINT bill_pkey PRIMARY KEY (sno)
> )
>
> I want to
Hi,
I have a table with this schema:
CREATE TABLE billing.bill
(
sno serial NOT NULL,
billno int4,
det date NOT NULL,
.
.
.
CONSTRAINT bill_pkey PRIMARY KEY (sno)
)
I want to execute a query that will not return any record. Which of
these queries is cheaper please?
1. Select * from
