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

Explain how to convert 2010/02/11 to m/dd/yyy.. With string and without string if any other method... Code?

1209

What is house keeping in assembler?

1079

Explain about maximum displacement?

1111

Explain about house keeping in assembler?

1099

Explain the difference in data type "x" and "p"?

1089

How many maximum base registers we can have in a program?

1070

How to pass the parameters from jcl to assembler program?

1062

What is maximum displacement and how to cross this limit?

1233

What is the use of trt instruction?

1084

Why do we use "drop"?

1057

Explain about base register?

1109

Explain the difference between various read and find statement?

1130

Explain how to pass instream data in sysin with assembler?

1150

Explain how to initialize a register to 0000?

1053

How many maximum base registers we can have in a single program?

1180

Un-Answered Questions { MainFrame }

What is the clustering index in the db2 database?

1049

Differentiate between the joblib and the steplib statements?

1529

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4068

Does Disconnect and Connect creates page lock in IDMS ?

1540

What is find and read operation in adabas file?

973

what does defn do?

1140

What is temporal table in db2?

1105

What is the difference between a return with transid and xctl?

1117

What is a lds (linear data set) and what is it used for?

1059

What is a hyperdescriptor?

1007

What is dbd?

1071

How to check table size in db2 sap?

1100

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

2536

What is nvl in db2?

1154

What will happen if we drop the base register in the program which contains only one basereg?

1025

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