If table is highly volatile then locking the statistics prevent in execution plan from changing and thus helps in plan stability for some period of time. That is why many guys prefer to unlock the stats, gather
Posted in ORACLETagged advantages of global temporary table in oracle, alter global temporary table, delete global temporary table in oracle, how to check global temporary table in oracle, how to drop global temporary table in oracle, ora-14452 drop global temporary table, ora-14452 while ...
it hangs until it times out and tells you the lock wait timeout was exceeded. Someone has locked the table you’re trying to update, but you have no idea who. This can be incredibly frustrating, because this could go on indefinitely. I’ve sometimes had to put work off till...
Authentication in Oracle WebLogic Server can fail for multiple reasons. When failure is consistent in nature (i.e., it happens all the time), it is somewhat easy to debug and to fix if you understand how authentication is performed in WebLogic. However, when failure is intermittent, things g...
Autonomous Database on Shared Infrastructure - Version N/A and later: How to Identify the User account Account lock (ORA-28000) due to Failed login attempts in Auton
Oracle Table Lock If you encounter a TM lock is means that two sessions are trying to modify some data but blocking each other. Unless one sessions finished (commit or rollback), you’ll never have to wait forever. These queries should help you to identify the cause of your blocking sessi...
Finally, if the matched number is determined using a custom matching rule, Lockbox uses the number that you specify to determine to which transaction to apply this receipt. See: Implementing a Custom Matching Rule. If Lockbox cannot find a match after searching for each type of number in the...
In Oracle Solaris, malloc() and free() access is controlled by a per-process lock. In Oracle Solaris, the first tool to use to determine whether there is lock contention is prstat(1M) with the -mL flags and a sampling interval of 1....
You only need to create single column indexes on your table. If you have conditions against several columns the database will stitch them together!B-trees don't have this luxury. You can't just plonk one on top of the other to find what you're looking for. While Oracle Database can ...
You only need to create single column indexes on your table. If you have conditions against several columns the database will stitch them together!B-trees don't have this luxury. You can't just plonk one on top of the other to find what you're looking for. While Oracle Database can ...