IBM AS400 Interview Questions Answers: Series VI

What is Alternate Table?
Ans:RPG tables stores information in 1 column. To store information in multiple columns, it uses the concept of Alternate Table.

What is an Array?
Ans:Array is a collection of data, the data elements must be of same Length and same type.

The Qualified name for an object ORDPF residing in a library TRAINING is?
Ans:TRAINING/ORDPF

The function key to start SEU session through program development manager is?
Ans:F6

The Member type for an RPG & CL program which SEU supports is?
Ans:RPG & CLP

Printed output items placed in an output queue are known as?
Ans:Spool Files.

When a spooled file is created, it is placed into an?
Ans:OUTQUEUE

The command to display a list of spooled files?
Ans:WRKSPLF

Change in the externally described file does not require recompilation of the program?
Ans:False

Command to display current library is?
Ans:DSPCURLIB

A PF can have how many record formats?
Ans:Only one

Which one of the following has the highest priority Library on top of the library list, Library QGPL, Library on the bottom of the library list & Current library?
Ans:Current library

While designing the screen user wants to add file level keywords then which function key is pressed?
Ans:F14

While designing the report using RLU user wants to add record level keywords which function key is pressed?
Ans:F18

If user wants to add one field on the report then which function key is pressed?
Ans:F11

If user wants to center the company name on his report then which command will be used?
Ans:CF (Center Field)

SEU shows prompt/syntax checking according to?
Ans:Member Type

It is possible to run Query using RUNQRY command?
Ans:YES

Using Query it is possible to create level break report?
Ans:YES

Using DFU user can do which operation?
Ans:Add, Update & Select fields

What is the difference between UPDDTA to PF & updating using DFU?
Ans:Both are same, only difference is DFU program allows you to add & update selected
fields.

Which function key should be pressed to define hidden field while you are working with SDA?
Ans:F4

Which function key should be pressed to watch all string defined on SDA screen?
Ans:F20

While designing the screen using SDA, which function key should be pressed to get the field from the FRF?
Ans:F10.

From WRKMBRPDM screen you have to modify existing member-using SDA which option do you select?
Ans:17.

Write system defined function used to place system name on the screen?
Ans:*SYSNAME

While designing screen F3 function key is kept common for all record formats on which level should it be defined?
Ans:File level

Write down mandatory keywords used when defining a subfile?
Ans:SFL, SFLDSP, SFLSIZ, SFLCTL & SFLPAG

If user wants to change the length of the numeric field defined in the report then which combination of the keys will be used?
Ans:F23 & F10

What is the difference between SKIPB (2) & SPACEB (2)?
Ans:SKIPB (2) skips 1 page & on the next page after skipping 2 lines space print next while SPACEB
(2) skips 2 lines space before printing.

RLU: If user wants to define new numeric field on record format then which line command will be used?
Ans:VF

Maximum report length is 132, if user is designing a report using RLU?
Ans:FALSE (Maximum is 378)

What is full form for DDS?
Ans:Data Description Specification

What are members?
Ans: Members are separate entities within a database file & they are components of As/400 object.

What if RPG, when & who invented it?
Ans:Report Program Generator is IBM introduced a High Level Language in 1960.

For, which purpose is H Specs used?
Ans:Writing header information, date separator, currency symbol etc.

What is the size of the filename in RPG?
Ans:8 Characters (Max.)

Which are the different File Types in RPG?
Ans:I (Input), O (Output), U (Update) & C (Combine).

What are the different File Designation Types in RPG?
Ans:P (Primary) & F (Fully Procedural)

What’s the use of File Designation in RPG?
Ans:It refers to the way program will access or retrieve the data from the file.

What are the different File Format Types in RPG?
Ans:F (Fixed Length) & E (Externally Described)

What is the use of File Format in RPG?
Ans:It tells to the program that the records are within the program (F) or outside the program (E).

What is L Specs for?
Ans:To tell length of page & number of lines to be printed on a page.

What is I Specs for?
Ans:To describe the records within Program described file, fields, constants, divide fields into sub fields & to form a group of
fields.

How many maximum spaces could be given in O Specs?
Ans:3

Which are Control Break Logic indicators?
Ans:L1 – L9.

What are Data Structures?
Ans:Data Structures define an a storage & layout of fields within the defined structure.

Source: aired.in