Thursday 26 September 2013

sap abap interview questions and answers pdf download online free

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Sap abap interview questions and answers pdf



1. What are pooled tables?

Ans: These are logical tables, which must be assigned to a table pool when they are defined. Pooled tables can be used to store control data (such as screen sequences or program parameters).

 
2. What is a table cluster?

Ans: A table cluster combines several logical tables in the ABAP/4 Dictionary. Several logical rows from different cluster tables are brought together in a single physical record. The records from the cluster tables assigned to a cluster are thus stored in a single common table in the database.
 
3. How can we access the correction and transport system?

Ans: Each time you create a new object or change an existing object in the ABAP/4 Dictionary, you branch automatically to the Workbench Organizer or correction and transport system.
 
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4. Which objects are independent transport objects?

Ans: Domains, Data elements, Tables, Technical settings for tables, Secondary indexes for transparent tables, Structures, Views, Matchcode objects, Matchcode Ids, Lock objects.



5. How is conversion of data types done between ABAP/4 & DB layer?

Ans: Conversion between ABAP/4 data types and the database layer is done within the database interface.

 
 
6. How is conversion of data types done between ABAP/4 & external level?

Ans: Conversion between the external layer and the ABAP/4 layer is done in the SAP dialog manager DYNP.



7. What are the Data types of the external layer?

Ans: ACCP, Char, CLNT, CUKY, CURR, DATS, DESC, FLTP, INT1, INT2, INT4, LANG, LCHR, LRAW, NUMC, PREC, QUAN, RAW, TIMS, UNIT,VARC.

 
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8. What are the Data types of the ABAP/4 layer?

Ans: Possible ABAP/4 data types:
  • C: Character.
  • D: Date, format YYYYMMDD.
  • F: Floating-point number in DOUBLE PRECISION (8 bytes).
  • I: Integer.
  • N: Numerical character string of arbitrary length.
  • P: Amount of counter field (packed; implementation depends on h/w platform).
  • S: Time Stamp YYYYMMDDHHMMSS.
  • V: Character string of variable length, length is given in the first two bytes.
  • X: Hexadecimal (binary) storage.

9. How can we set the table spaces and extent sizes?

Ans: You can specify the extent sizes and the table space (physical storage area in the database) in which a transparent table is to be stored by setting the size category and data class.

10. What is the function of the correction system?

Ans: The correction system manages changes to internal system components. Such as objects of the ABAP/4 Dictionary.


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