Below are some important AS-400 interview questions which are asked in most MNC company interviews for beginners or professionals.
16. What is the difference between externally described file and program described file?
The field definitions and descriptions are defined out side of the program in a externally described file. The field definitions and descriptions are defined in side the program in a program described file.
17. What is the purpose of FRCDTA (Force Data) keyword?
Use this record-level keyword to immediately display a record format, without waiting for the next input or output/input operation.
18. What is the purpose of SFLFOLD and SFLDROP keywords?
1.SFLFOLD: To fold the second line of multiple line subfile.
2.SFLDROP: To drop the second line of multiple line subfile.
19. What is the difference between array and a multiple occurrence data structure?
The values stored in array don’t vary. In the other hand, we can store the different values in same variables at various stages.
20. What is the difference between access path and Dynamic select?
Dynamic select occurs whenever the program reads file. But access path occurs before the file is read (but not necessarily). Because access path maintenance performed on the file.
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16. What is the difference between externally described file and program described file?
The field definitions and descriptions are defined out side of the program in a externally described file. The field definitions and descriptions are defined in side the program in a program described file.
17. What is the purpose of FRCDTA (Force Data) keyword?
Use this record-level keyword to immediately display a record format, without waiting for the next input or output/input operation.
18. What is the purpose of SFLFOLD and SFLDROP keywords?
1.SFLFOLD: To fold the second line of multiple line subfile.
2.SFLDROP: To drop the second line of multiple line subfile.
19. What is the difference between array and a multiple occurrence data structure?
The values stored in array don’t vary. In the other hand, we can store the different values in same variables at various stages.
20. What is the difference between access path and Dynamic select?
Dynamic select occurs whenever the program reads file. But access path occurs before the file is read (but not necessarily). Because access path maintenance performed on the file.
More Questions & Answers :-
Page1 Page2 Page3 Page4 Page5
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