> > trx_date | trx_time | descriptions | > > payment_method | debet | credit | creator > > ------------+----------+--------------------------------------+---- > >--------- ---+-------+----------+--------- > > 2003-10-09 | 21:55:02 | Resto Biling : 13,800, Paid : 10,000 | > > Visa > > > > | 3800 | | middink > > > > 2003-10-16 | 03:28:30 | Payment - Thank You | > > Visa > > > > | | 40000.00 | middink > > > > 2003-10-08 | 18:17:40 | Payment - Thank You | > > Cash > > > > | | 50000.00 > > The id field only keeps the transactions in the correct order so you > can sum the previous transactions. You can do the same thing with > your date and time fields (though using a single datetime field would > be easier). A caution, though: you will have trouble if two > transactions share the same date and time.
if i would like to pleaced ID(Virtual ID) for example number of record for each record, how to ? num_rec | trx_date | trx_time | credit | descriptions | payment_method | debet ---------+------------+----------+----------+------------------------------- -------------------------+----------------+------- 1 | 2003-10-09 | 21:55:02 | | Resto Biling : Rp. 13,800, Paid : Rp. 10,000 | Visa | 3800 2 | 2003-10-16 | 03:28:30 | 40000.00 | Payment | Visa | 3 | 2003-10-08 | 18:17:40 | 50000.00 | Payment | Cash | ---------------------------(end of broadcast)--------------------------- TIP 8: explain analyze is your friend