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 are the different types of keywords in display files?

1 2176

What is difference between CAT, TCAT, BCAT?

1 4196

What are the different types of messages in CL?

1 1904

How to trap errors in CL?

1 2038

What is the maximum length of a variable name in CL?

1 1960

What is the use of Header Specification in RPG/400?

1 1963

When will DUMP and DEBUG opcodes be ignored?

1 2685

Specify different indicators used in RPG?

1 1892

What are Control level indicators?

1 1909

What is the use of E specification in RPG?

1 1999

What is the use of L specs in RPG?

1 2172

What is the maximum number of elements in an array?

1 1996

How can we sort an array?

1 1860

How can the user implicitly open and close the files in RPG program ?

2 2522

268 How many parameters can be defined in a RPG program. ?

1 1784

Un-Answered Questions { MainFrame }

Explain how to receive data passed through jcl parm parameter in a natural program? How data definition is defined in the program?

1187

How to execute stored procedure in db2 command editor?

1110

What are various loop types supported by rexx?

1008

When are scope terminators compulsory?

1093

Express the distinction between jes2 and jes3?

1242

how do you define single dimensional array and multidimensional array in your cobol?

1153

why ci and ca splits are not possible in esds and rrds?

1217

List down the types of triggers in the db2 database?

1083

What is the biggest disadvantage of using a vsam dataset?

1203

How do I import data from excel to db2?

1133

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

1223

What is the format of comment statement?

1287

What are the key features of adabas database system?

1075

Where & How Do You Code Identifier In Jcl?

1327

Explain how are you going to remove duplicates from the file that is being read?

1079

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