Please advise on when to use enqueue

Hiii
i know for sure that when we are updating an entry in a database table, it's better to use the ENQUEUE and DEQUEUE process.
But when we will be inserting data in a ZXX database table should we also use the enqueue and dequeue concept??

>
newbie82 c wrote:
> Even when we use insert new entries in the database table. Coz how come the enqueue will lock entries that does not exist in the Zxxx database table?
Hello,
The SAP Lock Objects are not Database Locks. They don't lock the DB entries, but create a lock argument in the Lock Table ( which resides in the Enqueue Server ).
What you are talking about is DB Locks. How do you handle the scenario when 2 users are trying to insert records with the same key field values in the same DB table ?
Please read this SAP documentation on the [Lock Mechanism|http://help.sap.com/saphelp_nw04/Helpdata/EN/c2/2d7037ecc92a7ee10000009b38f8cf/frameset.htm] which will clear you doubts.
BR,
Suhas

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