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 purpose of the following I UDS I 1 60ORDER# I 7 90LINE#

1 1680

What is the purpose of the following? A CSRLOC (F1ROW F1COL)

1 1690

Define what the operation will do, the purpose of the result field and the purpose of *IN66? HI LO EQ C CALL 'CVTDAT' DTPRM 66

1 1577

Define each of the following operation codes a, b, c, d, e

1 1870

Define the purpose of the following code (If you know, how would this be written in RPG ILE) HI LO EQ C *IN66 DOUEQ *OFF C KEY1 CHAIN FILEA 90 66 C 66 CALL PGM1 PRM C ENDDO

1 1575

How do you set the keywords SFLSIZ and SFLPAG if you want the subfile to dynamically expand?

1 1970

Show 2 ways to convert a date from YYMMDD to MMDDYY (MULT operation not acceptable)

1 1881

Determine the value of the result field a. Cost = $110. 00 b. Tax = 20% c. MarkUp= 05% d. Sale = 10%

1 1562

Define the purpose of Factor 1 the Operation Code and *IN15 in following code HI LO EQ C *YMD Test(D) yymmddDate 15

1 1624

Describe the function of SETLL operation in RPG language?

1 1749

Describe the function of SETGT operation in RPG language?

1 1661

What is the purpose of Level Check parameter in a Physical file?

1 1736

Define a Job Queue?

1 1684

Define a Batch Job?

1 1732

Describe about Query/400?

1 1757

Un-Answered Questions { MainFrame }

HOW to change the coloumns in XREF?

2001

Explain about maximum displacement?

1052

Define redefine and its syntax?

968

list some of the commonly used commands for debugging?

1623

what does the ovrdbf command do?

1109

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

1051

What does reorg do in db2?

1024

How are you going to remove duplicates from the file that is being read?

982

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2509

what happens when COND is coded in JOB statement and when COND is coded inside EXEC statement?

1291

Explain cebr transaction commands?

1065

what keyword must be used with protect keyword ?

1753

accept ws-date from date will return the current date?

1013

What is db2? Explain.

1037

How many types of evaluate statements are available?

988

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