What are the question will be asked on SM12(lock entries)
and SM13(updates) and SM21 (system logs) transaction
activities .

Answer Posted / sai krishna

SM12:

1.what are deadlocks and concept of it?

2.i am unable to update some data in to a particular table what is the basic reason behind it?

3.how many types of table locks are present and where they are monitored?

4.how to find whether a table lock is active or not and how to analyze what data is updating in that table?

SM13:

1.where you will find the update statics?

2.In some transaction you are updating something and the update got failed at some point ,how where will you see the detailed logs of it?

Sm21:

1.all the system logs can be seen in this tcode,like switching of WPS,rfc connection status,certificates status if any expired,if any transaction cancelled,if any runtime error what not you can see all the system of all the application servers logs

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