Hi friends,
I am using stuts,oracle(st ored procedure),jsp in my application.
i have done all thing like writing stored procedure ,inserting data,validating data etc and finally data goes inside database.
But friends my problem is that when i do two simultanious transaction in aplication then both trasaction are inserted into databases without giving me any exception which i expect from second transaction.
for example
Suppose
I m login on two diffrent computers with same user id and doing following transactions simulteneously
Txn A giving payemnt 2000
Txn B also giving payemnt 2000
Now due to some business logic i m expecting only one transaction should be insert into DB & other should raise me my exception
My client not excepting Lock from start to end on data inserting stored procedure
Now my databses stored procedure not contain any lock contain only commits
how can i manage two independant transaction my application
Thanks
Amol
8  1678 
The best solution for your problem is to implement locks.
u need to follow
1.LOCK
2.INSERT/UPDATE/DELTE
3.COMMIT/ROLLBACK
May i know what is the problem in implementing locks if that is your requirment.
The best solution for your problem is to implement locks.
u need to follow
1.LOCK
2.INSERT/UPDATE/DELTE
3.COMMIT/ROLLBACK
May i know what is the problem in implementing locks if that is your requirment.
Thanks debasisdas,
Thanks for ur help ..Would u plz tell me the syntax of lock on insert statement ..
and both my transaction are independent ..
So could u help me out ...
follow these stops
1.lock the table/s in exclusive mode
2.go for insert.
3.commit. (this unlock sthe table)
write all these in side the oracle procedure.
thanks ....please provide the syntex for loacking insert statement
suppose your table is inventory , then
1. lock table inventory in exclusive mode no wait;
2.insert into inventory values(v1,v2,v3 ,........);
3.commit;
Thanks ........for ur vital help
Hi
amoldiego
Welcome to TSDN.
You have reached the right place for knowledge shairing.
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Feel free to post more doubts/questions in the forum.
But before that give a try from your side and if possible try to post what/how you have approached to solve the problem.
It will help Experts in the forum in solving/underestanding your problem in a better way.
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