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

2 input fles: 2 flat files, with different number of records. both are having unique key for each record and already sorted in ascending order . match these files using unique key and in output only matching key value has to be written. please procide cobol logic

2588

How to fetch 1000 error records from VSAM file(Eg: 1000000 records present) while getting SOC7 abend ?

2463

How to traceback if I am getting SOC7 or SOC4 abend? List down the steps

5368

Step 1 RC 4 Step 2 Step 3 I want to know the COND parameter which can be coded in step 2 or 3. Step 2 should be executed based on Step 1 RC and Step 3 should not be executed based on step 1's RC

4896

What is one line to pass PARM from JCL to COBOL?

4953

Un-Answered Questions { MainFrame }

What is the default page size of buffer pools?

1120

what is pdes?

1107

What is the result of open cursor statement?

1076

What do you know about jcl?

1135

How many minimum number of line codes does PL/1 DB2 program requires?

2979

what is sflinz and sflrna?

1504

What is find and read operation in adabas file?

883

What is dclgen (declaration generator)?

1052

What are some uses of the evaluate statement? Explore the syntax of the evaluate statement?

968

what is the difference between a package and a plan. How does one bind 2 versions of a cics transaction with the same module name in two different cics regions that share the same db2 subsystem?

1058

what are indicators?

1029

what is the clp command to access a query/400?

2127

What is the purpose of store statement?

815

if we want to use a gdg which is already created by some job, then how to use the reference of the last generation in a jcl?

2290

Explain the function of the load command?

1120

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