Answer / rajesh chowdary pendyala

A "SAP lock" is named "enqueue lock", the enqueue is on a
much higher level, e. g. a complete sales document is locked
there whereas in the datbase usually only row locks exist.
Since SAP runs on more database than Oracle one needed to
have a mechanism, that is database independent and on a
higher level. sap locks can be viewed in sm12 and db locks
we can view in db01.

Answer / dj

Sap lock= sm12 lock on table/s while bring updated or modified.
Dealock/enaueue lock/db lock = db01. lock from db level by enqueue wp, so multiple instances in a landscape cannot access the db at the same time.

Answer / guest

i told them to maintain platform independency.as db locks
are specific to database.(oracle lock concept is diff then
maxdb).is there any other reason besides this.the
interviewer asked me?

HI, I'm practicig CRM fuctioal in 6.0 (2007)(Ides) versio the problem is i'm not able to process any transaction type due to IPC is not configured.Please any one can help me to how to config IPC in ides sysetem.Anybody know please provide me the steps.

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