Topic: SQL*Plus and PL/SQL >> ORA-40509
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| priya |
Posted: Jul 05, 2007 02:22:08 AM |
Total Post: 39
Joined: Apr, 2007
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hi,
can anyone tell me wats the error ORA-40509 is?
i am facing this error while i am trying to save the record.
Thanks
pri |
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 Nirmal |
| Posted: Jul 05, 2007 03:06:26 AM |  |
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Total Post: 10
Joined: Mar, 2006
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You tried to execute a LOCK TABLE or SELECT FOR UPDATE command with the NOWAIT
keyword but the resource was unavailable.
Wait and try the command again after a few minutes.
or
Execute the command without the NOWAIT keyword.
Let's say we have 2 session, one session updates a table:
SQL> create table test (n number);
Table created.
SQL> insert into test values(1);
1 row created.
SQL> commit;
Commit complete.
SQL> update test set n=2;
1 row updated.
--> NO COMMIT yet
Now, the other session is trying to select a record for update:
eg:
SQL> declare
2 n number;
3 begin
4 select n into n from test for update nowait;
5 end;
6 /
declare
*
ERROR at line 1:
ORA-00054: resource busy and acquire with NOWAIT specified
ORA-06512: at line 4
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