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 9963

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

3 10424

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

4 18018

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

2 8651

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

3 10952

how many work file we can code in jcl?

2 9469

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

CTS,

3 22203

Is Constent can be define as a key field?

3 8040

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

6 14850

Is LDA can be access accross the Job?

9 15086

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

2 14530

Explain fixed length record in cobol? with suitable example

IBM,

1 5764

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

4 8150

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 4610

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 5374

Un-Answered Questions { MainFrame }

how to toggle between single line and multi - line display of a particular record in a subfile?

1915

What is the use of the eibaid field?

1221

can any body give me any website for getting help on mainframe projectts in banking domain.

2155

Are views updateable?

1244

what is the maximum number of record formats in dspf?

1749

Differentiate between addressing mode and run mode.

1144

Explain the difference between tsq and tdq

1049

How to get the last record in vsam file in cluster?

1073

What does runstats do in db2?

1199

Explain about LMFREE�free data set from its association with data ID

1687

Outputs of explain are with matchcols = 0. What does this signify?

1124

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1175

What Are Send Map Maponly & Send Map Dataonly ?

1281

List the different jcl statements that are not permitted in the procedures?

1136

Can you define mdt?

1160

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