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

The disposition parameter in the jcl is share ( DISP+SHR ) and the program opens file in extend mode what will happen?

Cognizant,

6 20396

how to delete perticular row from table for ex. how you will delete 3rd row from table please answer THANKS IN ADVANCE

IBM,

10 15060

I have a Main Program which is calling Sub-Program which is a DB2 pgm. What will happen if I am not closing the cursor used in the Sub-program? Please advise..

iGate,

3 11749

what is linkcard in cobol?

TCS,

1 10918

what is dynamic cursor?gives syntax for this?

TCS,

1 5401

i have 10 steps in jcl program but i have to exicute only 2,4,6,8th and 10th ?how it's possible?

IBM,

10 37893

what happens of we dont give time stamp in precompilation process

2 5567

What are the different types of model available in coolplex

IBM, Infosys,

1467

What are the different type of meta operations available in plex

TCS, Wipro,

1713

what is the difference between call and ++call?

HSBC,

1457

What is a continuation triple? what is the use of limit sys?

Tech Mahindra,

1541

what is mapfail and when we get this error? during send map or receive map?

HP,

3 18750

1.what are the builtin funtions in cl pgg?Explain with example 2.what is meant by left outer join?where we can use this?

2 6846

what is difference between accespath and datapath? what is the difference between accespath and open datapath?

2 10578

1.What is the difference between regular join logical file and non join logical file? 2.what are the nessasary keywords for non join logical file

ANZ,

3 15213

Un-Answered Questions { MainFrame }

How can record locking be achieved in those DB2 versions which do not support it?

1083

Receive consists of buffer option in it. What is the significance of this option?

1053

If anyone has IBM Certification Dumps pls forward to me & also let me know what are the Certification Codes that are available in DB2

2048

How to check last update on table in db2?

1064

what is the purpose of data structure?

1750

How do I connect my db2 database to ibm?

1054

how a data in physical and symbolic map gets treated? Since the physical map is much concerned about the screen alignment and the field positions, how the values entered in the field which has PICIN or PICOUT clause in Physical map gets treated? Does that mean datas recieved or sent to the physical map should be constant? How does the data in Symbolic map gets converted with 5suffix namely F,L,A,I and O. For example EMPNO is treated as EMPNOI, EMPNOO, EMPNOA, EMPNOL and EMPNOF. how does this happen in symbolic map. Please provide your inputs on the above and kindly correct me if I am wrong.

2707

How would you find out the total number of rows in a db2 table?

1057

Explain the difference between search and searchall?

875

Why cursor is used in db2?

1040

What is the difference between a binary search and a sequential search? What are the pertinent cobol commands?

1116

what do you mean by recovery and speed parameters in define cluster command?

1119

How many sections are there in data division in COBOL?

1144

Explain package in db2 and its advantages?

1220

What is a db2 tablespace?

1071

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