IBM AS400 Interview Questions Answers Collection.
What is Alternate Table?Answer : RPG tables stores information in 1 column. To store information in multiple columns, it uses the concept of Alternate Table.
What is an Array?
Answer : 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?
Answer : TRAINING/ORDPF
The function key to start SEU session through program development manager is?
Answer : F6
The Member type for an RPG & CL program which SEU supports is?
Answer : RPG & CLP
Printed output items placed in an output queue are known as?
Answer : Spool Files.
When a spooled file is created, it is placed into an?
Answer : OUTQUEUE
The command to display a list of spooled files?
Answer : WRKSPLF
Change in the externally described file does not require recompilation of the program?
Answer : False
Command to display current library is?
Answer : DSPCURLIB
A PF can have how many record formats?
Answer : 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?
Answer : Current library
While designing the screen user wants to add file level keywords then which function key is pressed?
Answer : F14
While designing the report using RLU user wants to add record level keywords which function key is pressed?
Answer : F18
If user wants to add one field on the report then which function key is pressed?
Answer : F11
If user wants to center the company name on his report then which command will be used?
Answer : CF (Center Field)
SEU shows prompt/syntax checking according to?
Answer : Member Type
It is possible to run Query using RUNQRY command?
Answer : YES
Using Query it is possible to create level break report?
Answer : YES
Using DFU user can do which operation?
Answer : Add, Update & Select fields
What is the difference between UPDDTA to PF & updating using DFU?
Answer : 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?
Answer : F4
Which function key should be pressed to watch all string defined on SDA screen?
Answer : F20
While designing the screen using SDA, which function key should be pressed to get the field from the FRF?
Answer : 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?
Answer : VF
Maximum report length is 132, if user is designing a report using RLU?
Answer : 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?
Answer : 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?
Answer : 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?
Answer : Data Structures define an a storage & layout of fields within the defined structure.
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