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 we update with histogram?

2 9804

difference between read(1) and read work file once ?

3 10260

differnce between read work file 1 and read work file once? why we are using work file once?

4 17785

how we can find occurence of MU and PE fileds in a file?

2 8514

how to move cursor to a particular field when position is not known?

3 10748

how many work file we can code in jcl?

2 9321

difference between escape(top or bottom) and escape immediate(top or bottom?

CTS,

3 21989

Is Constent can be define as a key field?

3 7876

Is it possible to create a logical file whose Physical file is not in same library?

6 14569

Is LDA can be access accross the Job?

9 14793

What is the purpose of the SDSNLOAD dataset in the STEPLIB while running DB2 programs?

2 14380

Explain fixed length record in cobol? with suitable example

IBM,

1 5680

What is the purpose of coding FETCH in a SQL SELECT query? Explain with an example in Detail?

4 7972

We are using the searching a table which is indexed, once the key is found, how can we get the occurance at which the key was found.

1 4506

I have a files containing both duplicate and non-duplicate records.The file is already sorted by a key.I want to determine those records that are duplicate and records that are non-duplicate.If duplicate the record is move to a duplicate file and if non-duplicate that will be move to valid file.thank you

1 5262

Un-Answered Questions { MainFrame }

Explain the function of job statement in jcl?

1210

suppose I have 1000 rows in a db2 table. I want to update first 100 records, how do I do it?

1121

Express the distinction between jes2 and jes3?

1173

Explain the different ways of initiating transaction in cics?

948

In COBOL, what is the different between index and subscript?

1245

Does Disconnect and Connect creates page lock in IDMS ?

1460

Write some characteristics of cobol as means of business language.

1142

Is it possible to left uncode disp? If yes, how?

1190

What is the main function of the sign-on table?

1077

What is the difference between cursor stability and repeatable read isolation levels?

1173

What is monosysplex?

788

Can we redefine the field of x(200) to less than 200?

1375

What is Framework & How it work?

2124

Explain the function of the load command?

1133

what is s000 u4087 error? please give the all error codes in cobol,jcl.

17880

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