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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

Why do we use "drop"? What does "using" do?

4 11166

What is the difference in data type "X" and "P"?

5 11269

Dear Lister, Environment: OS390 2.10 IBM 9672- G5 (R16) I have question regarding the Real Storage usage. By monitor through RMF III the usage of Real Storage keep in increasing everyday. Why this happen? Any comment and suggestion.

1 4765

i have 3 steps in my jcl, where i want to run only one step at a time depending on the variable. How should i give the condition statement... I have tried this with two steps which is working but not able to add condn for the 3rd step. can anyone help me... I want to know the cond stmt which i can code in step 3 and step4, so that only either step2 or step3 or step4 executes

3 9014

suppose u want to pageup and page down into the bms screen , for that wat u wud do into the cics application program?

Bank Of America, Cap Gemini, IBM, RBS,

1 14192

What is the difference beetween Arrays and Tables in Cobol? please dont give the answer that arrays in cobol terminology is called tables......

BirlaSoft,

3 12829

i made it to stage 3 of an interview process wednessday they will quiz my knowledge again face to face for an analyst role recruiter said it will be based on Business requirements system is cobol and good ideas what they might ask etc

2606

which is better comp or comp-3 in terms of memory utilization?

6 18313

Move Zeroes to I move 5 to j perform para1 varying I from 10 by -2 until I = 0 display j. para1. Add 5 to j. What’ll be the value after execution of display stmt. A) 35 B) 40 C) 30 D) 25 please explain how?

5 10380

WE HAVE 5 DIFFERENT RECORDING MODE IN COBOL.FIXED, FIXEDBLOCK, VARIABLE, VARIABLEBLOCK AND UNDEFINED. WHAT IS THE DIFFERENCE AMONG ALL AND WHICH TYPE OF FORMAT SHOULD BE USED WHEN

Infosys,

3 36066

What techniques will be used to avoid deadlock??

IBM, SUN,

5 14440

we can code COPY DCLGEN or INCLUDE DCLGEN, At which stage of the precompilation , dclgen get expanded if we write 1) copy 2) include one question about dclgen.. Is it mandatory to use declare table in dclgen.. I think no...but it will be used by the precompiler to validate the table name,column name etc.., can one clear my doubt ..is it necessary to include declare table or not?

2 18003

we can use set true for condition names.. similarly can we code set to false in cobol pgm? will it work?

1 10729

01 a pic s9(5) value -12345, if we disply a , the sign will overpunched with last digit but i need to get the miuns sign in the result?

7 12130

01 b pic +9(4) How many bytes it will take for storage???

2 9194


Un-Answered Questions { IBM MainFrame }

Explain the function of entry-sequenced data set?

1042


Can you define commarea?

989


What methods are available for persisting records in an idms database? Explain.

831


Explain how can return codes be tested before execution of a job step?

1332


How can an in-stream dataset be terminated?

1347


What do you mean by between and in? Is between inclusive of specified range values?

1093


Difference between array and sub-script ?

1671


explain icm instruction?

1094


What is meant by union and union all?

1014


Explain storage architecture of idms.

862


What do you mean by linkage section?

1021


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

1092


Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?

1164


what how do you initialize a vsam file before any operation? A vsam with alternate index?

1018


Describe the cobol database components?

1185