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

I've one sequential file, That file contains millians of Junk & CHAR recoreds example File 1 ,,,,,...,,,.....,.,.INFOSYS.....,,,,,,,,,,,WIPRO..........., ,...,..,. My questions is : I want omit the 44th posstion to 4 CHAR (WIPRO) remaining things I want output file (including Junk CHAR also)... How can we slove this problem & give me a syntax. Please provide the result as soon as possible.

CTS,

5 11106

i have two flat files.i want to select one record from that file by using jcl.for example file1 contains emp no,name,joining date. file2 has same details.emp no is primary key. i will give empno.that emp details send to outfile.please let me know if any one knows it.give sample code.

TCS,

1 7359

i would like to know under what circumstance the object will get locked on AS400.

IBM,

5 11315

How to find in aparticular step how many versions a paricular gdg base have?

TCS,

4 19154

Can we use an equated value as operand for an MVC instruction? Reason for the same

IBM,

8 13474

What are db2 error codes -305 and -407. What is the difference between these 2 error codes ?

1 7903

what r drawbacks of OPM? Why do we go for ILE RPG?

1 10835

How can I find the maximum value of a field in a file while reading the file dynamically? without using sort function. Suppose i have a file with fields Timestamp, description, teamname, teamnumber.. i have read the file till end and find the maximun value of timestamp which is not in sorted order.. can we use function max(timestamp)?

CGI,

1 13008

What are the steps to retrieve the records from Journal file...?

1 11746

I have the transaction name for cics screen.. With the transaction name, how will I find the cics program written for the transaction and BMS map program also...

CGI,

4 16341

5 rows are inserted to a DB2 Table. Next 3 of those are updated, then a rollback is issued. What would happen when the rollback is issued?

2 6261

if there is a table with huge number of records and if i want to extract only first 3 records from the table, what query i have to provide to retreive first 3 records

UST,

4 8123

Is it possible to mutliply a comp variable with an comp-3 variable. Will there be any error if i do it?

IBM, UST,

3 10146

If i have defined an temperory dataset in step2, how can i call back or use the same dataset in step5 of the same job

UST,

4 10074

i hav created a program and moved to production but failed to create the table which is been used in the program. the program shows error as soon as it is moved or installed in production or shows error during its runtime. what is the sqlcode for this error

UST,

3 7260

Un-Answered Questions { MainFrame }

Explain ims software environment?

986

Why would you use find and get rather than to obtain?

1193

What is alias in db2?

1068

What is meant by an AICA ABEND?

1189

How to handle exceptional conditions in cics?

1138

if we display var1 then what will b displayed in below condition. 77 var1 pic s9(2) value -10. 77 var1 pic s9(2) value -11. " " " -12. " " " -13. -14 ... ... -19.

6595

what are the basic features of seu?

1207

How can we find that module can be called – whether DYNAMICALLY or STATICALLY?

1241

Explain about different table spaces.

1114

what are the different types of variables available in cl?

1833

How do I change the column size in db2?

1161

Name the three ways available for a program to position the cursor on the screen?

1097

Where can you declare a cursor in a cobol-db2 program?

1081

Explain the use of DCT ?

1081

Discuss about db2 bind?

1103

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