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

can anybody explain significance of *loval setll with example code????

3 14057

If i am going to change some variable in a copybook( size or variable type) ,what are the changes that need to be done in the corresponding JCL.

IBM,

4 14971

What is Tclass in cics?what is its importance? How it is implemented?

IBM,

2 13551

How to compare 2 files using File-Aid?

IBM,

1 13043

I have four steps in jcl they are STEP1,STEP2,STEP3 and STEP4. Can it possible to run the reverse order like step4 first then step3,step2,step1?

Broadridge, HCL,

4 21971

how can we can we the data decimal error?how can we open such file in support

1 3234

Can you give the sort card to arrange the specific column in the version of GDG.

1 5880

01 var1 pic s9(9)v99. 01 var2 pic x(30). procedure division. move 12345.99 to var1. move12345.99 to var2. display var1. display var2. what is the output?

IBM,

2 9794

TO abend the data sholud open in which mode? 1.new 2.old 3.mod 4.shr

MNC,

1 8711

I have two questions here. 1. How to read a flat file in reverse order? 2. How to read a VSAM KSDS file in reverse order? In both the cases we donot know the total number of records.

L&T,

1 11382

I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one

2526

What is the difference between SIBLINGS and TWINS in IMS-DB database

IBM,

2 11199

It's possible use %TRIM statement like rpgile?

2 5940

I like to know if possible to use %TRIM or any statement with prefiv "%" like RPG ile programs. thanks

2539

i want to perform uniqness on db file bt my db file nt hving key by useing rpgle.

HSBC,

3 6989

Un-Answered Questions { MainFrame }

What is cics load command?

1132

how to access data in control blocks such as jobname?

1013

What is the difference between inrec and outrec?

1172

example for sub strings ? and refernce modifications whit output pls

2374

What is the difference between "db2ilist" and "db2 get instance" commands in DB2 Database Server?

1319

What is the role of the data page in the db2 database?

1092

How to declare host variables?

1065

List out the data types available.

1206

What are the contents of a dclmgen?

1184

What are the various data types available in db2?

1152

Define buffer pool.

1107

Can you use occurs in bms map?

1114

Can we use DISP=SHR in output file in JCL

1468

do you use message subfiles? What are the necessary keywords required coding a message subfile?

1185

What is the difference between bind and rebind in db2?

1517

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