IF EXISTS (SELECT * FROM trans WHERE cid =36 and pid=37) UPDATE trans set pid='37' WHERE cid =36 and pid=37 Else insert into trans (tid,cid,pid,qty,rate,frmdt,todt) values (207,36, 37,0,55 ,'1/1/1900','1/1/1900')
here currently when inserting i need to get the rate value from another table
select prate from M_PRDT where PID=37 this rate value needs to be put in place of 55 how can it be done in a single stmt without having to use another qry & execute it and get the records
thankls tht works but there is slight prblm in this which i had not noticed
1) how do i update the rate in update stmt given above rate= ?? 2)suppose the rsate of a product X till last month was 100 but the rate was updated in the master product table from current month so when above stmt is executed fr current month then the rate of product X shld not be update fr any previous months it shld be updated frm current month only
my trans tbl has fields tid cid pid qty rate month Year AMOUNT Billno frmdt todt
thankls tht works but there is slight prblm in this which i had not noticed
1) how do i update the rate in update stmt given above rate= ?? 2)suppose the rsate of a product X till last month was 100 but the rate was updated in the master product table from current month so when above stmt is executed fr current month then the rate of product X shld not be update fr any previous months it shld be updated frm current month only
my trans tbl has fields tid cid pid qty rate month Year AMOUNT Billno frmdt todt
1. it would require a join to rate table as below UPDATE t set t.pid='37' ,t.rate = m.prate FROM trans t INNER JOIN M_PRDT m ON m.PID = t.pid WHERE t.cid =36 and t.pid=37
2. for this do you've a date field in yout M-PRDT table to indicate range for which a rate is valid?
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insert qry with a value from another tbl
Posted - 10/11/2012 : 05:46:52
