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 what a plan is?

CTS,

3 8758

What is a synonym ?

2 5619

What are the four lockable units for DB2?

1 6267

In a DB2-CICS program which is acts as co-ordinator and which is participant?

IBM,

1 5398

Describe what a storage group(STOGROUP) is?

2 10338

What is SPUFI?

4 17412

What is the difference between SYNONYM and ALIAS?

TCS,

6 28942

What is a data page?

1 4565

What is a subselect? Is it different from a nested select?

1 7843

When Can you be sure that a query will return only one row?

IBM,

4 8645

What is the SQL Communications Area and what are some of its key fields?

1 5501

How do you leave the cursor open after issuing a COMMIT? (for DB2 2.3 or above only)

2 9593

How many buffer pools are available in db2?

2 7213

What is the size of a data page?

IBM,

2 5853

What is the difference between CS and RR isolation levels?

1 8554

Un-Answered Questions { MainFrame }

what will happen if there is no secondary allocation made for datasets?

1109

What is sort? And its syntax?

1044

explain how can you initialize a vsam file before any operation?

1099

How do you reference the following file formats from cobol programs?

1156

explain icm instruction?

1072

Please tell me how to read the records from a file with load an array of size with error conditions(The logic answer for this question is ARR is array of 99 elements Z-ADD 0 IDX *LOVAL SETLL FILE READ FILE 99 *IN99 DOWEQ *OFF IDX ANDLT 99 ADD 1 IDX MOVE FIELD ARR,IDX READ FILE 99 ENDDO).So,Please give me the complete of this code.

2517

how to define a directory and what is the structure and definition for the same?

1060

what is the clp command to access a query/400?

2134

what is the syntax for plist?

1109

How do you find the maximum value in a column in db2?

1100

What is control area?

1077

What is the function of dd name parameter with a 2 part structure; audit.report?

1234

Hi pls anybody tell me about " ANALYSIS DOCUMENT PREPARATION AND ESTIMATION OF TASK " (in real time project)."I want to update a sequential file in my project" for that purpose i need both structures i mean analysis document and estimation of task.

2141

How to execute a query in qmf at a particular time?

942

what happens in conversion stage in job processing?

1218

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