Question Re: difference between shared & exclusive lock? in Technology Q&A

difference between shared & exclusive lock?

Former Member — Thu, 24 Apr 2008 07:50:27 GMT

please tell me difference between shared & exclusive lock?

(sm12)

regards

mohsin

Re: difference between shared & exclusive lock?

Former Member — Thu, 24 Apr 2008 08:06:31 GMT

Hi,

check http://help.sap.com/saphelp_erp60/helpdata/EN/7b/f9813712f7434be10000009b38f8cf/frameset.htm

regards,

kaushal

Re: difference between shared & exclusive lock?

Former Member — Thu, 24 Apr 2008 11:16:05 GMT

Shared Lock (S):- No write locks can be requested for this objects. Several users can view the data. Several users can give shared lock on the same object.

Exclusive Lock (E):- This is not user specific. Its transaction specific. Only one transaction given by the user who provided the lock can again lock the object being locked in E mode. Also the lock can be removed only by the person who locked it.

Exclusive but cumulative (X):- This lock can be called only once. Furthur lock creations are rejected even thogh using the same transaction. Also called as write lock

Award points if helpful

Regards,

Shyam