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 is the maximum Key length of a KSDS dataset

2 4985

What is dummy parameter in JCL??

TCS,

3 7824

Can AnyOne tell me how to read join logical file in rpg from starting to end?

2 5079

suppose we have 10 members in physical file and i have to use 4 out of 10 so how can we read this in RPG

TCS,

3 6210

Suppose we have 10 records with same name and we are reading using READE,after 4 record i have to use CHAIN what is the output

3 5353

How can we change element of compile time array?Can we do so

TCS,

1 4291

Suppose in CL we reach at end of file and again we have to reach from 1 record

TCS,

3 6402

Difference between RESET and CLEAR

TCS,

1 9030

How can we call CL program to RPG? How many number of parameter we can pass

TCS,

2 5812

Suppose we have one database file and it is used by 5 programs and in 3 program we have to add some records in datbase file s what is the impact on other program?

1929

How can you delete a record from a file in RPG without using DELETE oppcode?

UST,

2 6532

Why there is invention of RPG if we can do insert update delete in CL through SQL.Why the rise of RPG?

Infogain,

1 4341

we are sending data of physical file to screen design and it is showing no record why?

NTT Data,

1 5462

Can anyone answer me when we will go for LF without key fields

HCL,

4 7766

suppose there are 100 records and i want to read records between 60-70 how we can read this 10 records in rpg

Polaris,

2 6657

Un-Answered Questions { MainFrame }

Define TCT.

1163

what would be the effect on the field where reverse image, underline and highlight display attributes are active ?

1736

have you ever know what is the meaning of Packed Decimal

1577

what is a base cluster in vsam?

1137

is oorexx compatible with ibm object rexx?

1008

How do you differentiate between cobol and cobol-ii?

1216

What is the syntax of sort?

907

Name what parameter directs the output of the job log dataset?

1056

What is a mainframe?

992

Explain the difference between temporary storage queue (tsq) and transient data quene (tdq)?

1004

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

1204

How to alter the parameters for the existing gdg?

1205

how to declare a constant variable in the freeformat?

1412

Why select is not preferred in embedded sql programs?

1307

When will a port of ooRexx to "XYZ" be available?

889

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