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
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 ...
In general, only application designers using the programming interfaces to Oracle Database are concerned with which types of actions should be grouped together as one transaction. Transactions must be defined properly so that work is accomplished in logical units and data is kept consistent. A transa...
Note: As of July 2023, both the Virtual Machine method and a Docker container do not work on the M1 or M2 Mac computers. The best way that I’ve found is to set up an Oracle Cloud Free Tier database and connect to it from your local SQL Developer application. I’ve described how ...
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
However, using Virtual Machines (VMs) on IaaS and Containers with Kubernetes (K8s) are also doing well in the market. Q: How are you moving your databases to the cloud? Answer% of responses Virtual Machines on laaS 10% K8s and Containers 35% Database as a Service 55% Whil...
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 ...
not leave this debug logger enabled; once the authentication issue has been diagnosed, turn off this flag. This article also shows how intermittent login failures can result in an account being soft locked in WebLogic and how theUserLockoutManagermBean can be used to remove such a soft lock....
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meaning that the query got all of its blocks from the buffer cache without needing to go to the physical disk. The QUERY column shows the number of rows retrieved at that stage. In this case, three rows were retrieved. Because Oracle Database spends some CPU cycles to get a row, the ...