ABAP FAQ's

-> What is an “Unpack command”?

Ans) UNPACK TO .Unpacks the packed field field1 and places it in the field field2 with leading zeros. If field2 is too short, it is truncated on the left.

-> What is Search Help?

Ans) U can define Input helps and is an ABAP dictionary object

-> What is the difference between transparent and non transparent database tables?

Ans) Transparent tables have 1 - 1 cardinality b/w Data Dictionary and Database, and non transparent ( Cluster& Pooled) tables have Many - 1 cardinality.Transparent table can access with using OPen & NAtive SQL stmts where as Nontransparent only OPen Sql.Transparent trables can store Table relevent data and non transparent tables can store system data/ application data based on the transparent tables

-> BDC Transaction code?

Ans) SHDB.

-> What is the transaction to log the errors in BDC?

Ans) SM35.