MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the maximum Key length of a KSDS dataset

2 4872

What is dummy parameter in JCL??

TCS,

3 7704

Can AnyOne tell me how to read join logical file in rpg from starting to end?

2 4969

suppose we have 10 members in physical file and i have to use 4 out of 10 so how can we read this in RPG

TCS,

3 6086

Suppose we have 10 records with same name and we are reading using READE,after 4 record i have to use CHAIN what is the output

3 5219

How can we change element of compile time array?Can we do so

TCS,

1 4205

Suppose in CL we reach at end of file and again we have to reach from 1 record

TCS,

3 6265

Difference between RESET and CLEAR

TCS,

1 8926

How can we call CL program to RPG? How many number of parameter we can pass

TCS,

2 5713

Suppose we have one database file and it is used by 5 programs and in 3 program we have to add some records in datbase file s what is the impact on other program?

1878

How can you delete a record from a file in RPG without using DELETE oppcode?

UST,

2 6421

Why there is invention of RPG if we can do insert update delete in CL through SQL.Why the rise of RPG?

Infogain,

1 4263

we are sending data of physical file to screen design and it is showing no record why?

NTT Data,

1 5364

Can anyone answer me when we will go for LF without key fields

HCL,

4 7605

suppose there are 100 records and i want to read records between 60-70 how we can read this 10 records in rpg

Polaris,

2 6531

Un-Answered Questions { MainFrame }

what do you mean by the repro command?

1040

how to run other job when one job is active?

970

What are all the divisions of a COBOL program?

1163

for which platforms is uni-rexx available?

935

What is the purpose of store statement?

783

what is sflinz and sflrna?

1471

how to pass the parameters from jcl to assembler pgm?

1064

Explain about few error status codes of idms.

842

Explain associator in adabas?

827

What is the difference between access path and open data path?

1064

What is program status data structure(psds) in as400?

1045

how can I automatically refresh a web page?

1028

Explain the difference between a physical bms mapset and a logical bms mapset?

951

What is the maximum number of levels allowed in ims db?

947

How to get the cursor position when we receive a map?

1031

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