Make sure you have an index on billingstatus.


Murugavel wrote:


Dear Mr. Venu & Tech Group,


We are facing few problem in mysql database.



Take an eg.


we have table called bb_usersession0

user A is trying to delete a record which is having the billingstatus B .

User A

delete from bb_usersession0 where ui_sessionid='cs_venkatesh0006A46C'  AND
us_billingstaus='B'
User B
update bb_usersession0 set us_billingstatus='Y' where us_billingstatus='N';

In the above case mYSQL IS LOCKING THE whole table so the USER B is not
able to update the status.In user session B we are getting the followin message
ERROR 1205: Lock wait timeout exceeded; Try restarting transaction

Kindly give me solution for the above problem.

Awaiting your reply

Regards
velu





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