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IBM MainFrame Interview Questions
Questions Answers Views Company eMail

I've one sequential file, That file contains millians of Junk & CHAR recoreds example File 1 ,,,,,...,,,.....,.,.INFOSYS.....,,,,,,,,,,,WIPRO..........., ,...,..,. My questions is : I want omit the 44th posstion to 4 CHAR (WIPRO) remaining things I want output file (including Junk CHAR also)... How can we slove this problem & give me a syntax. Please provide the result as soon as possible.

CTS,

5 11076

i have two flat files.i want to select one record from that file by using jcl.for example file1 contains emp no,name,joining date. file2 has same details.emp no is primary key. i will give empno.that emp details send to outfile.please let me know if any one knows it.give sample code.

TCS,

1 7337

How to find in aparticular step how many versions a paricular gdg base have?

TCS,

4 19120

Can we use an equated value as operand for an MVC instruction? Reason for the same

IBM,

8 13425

What are db2 error codes -305 and -407. What is the difference between these 2 error codes ?

1 7885

How can I find the maximum value of a field in a file while reading the file dynamically? without using sort function. Suppose i have a file with fields Timestamp, description, teamname, teamnumber.. i have read the file till end and find the maximun value of timestamp which is not in sorted order.. can we use function max(timestamp)?

CGI,

1 12991

I have the transaction name for cics screen.. With the transaction name, how will I find the cics program written for the transaction and BMS map program also...

CGI,

4 16315

5 rows are inserted to a DB2 Table. Next 3 of those are updated, then a rollback is issued. What would happen when the rollback is issued?

2 6238

if there is a table with huge number of records and if i want to extract only first 3 records from the table, what query i have to provide to retreive first 3 records

UST,

4 8092

Is it possible to mutliply a comp variable with an comp-3 variable. Will there be any error if i do it?

IBM, UST,

3 10112

If i have defined an temperory dataset in step2, how can i call back or use the same dataset in step5 of the same job

UST,

4 10043

i hav created a program and moved to production but failed to create the table which is been used in the program. the program shows error as soon as it is moved or installed in production or shows error during its runtime. what is the sqlcode for this error

UST,

3 7233

if i am reading a file with some 50000 records and moving to a DB2 table and suddenly the program abends in between, is there anyway i could restart from the exact record at which the job failed once the program restarts.

UST,

2 8790

first when i try to write a record into the file, wresp=duprec, but follwed with that if i try to read the record it say record not fnd.. actually the record is not written in the file, but it says that duprec when trying to write... why this happens, pls help me asap..!

CGI, Love, TechRel,

1 5453

What does MAXCC 3 means? It is used in one my codes.

Wipro,

2 14360


Un-Answered Questions { IBM MainFrame }

INCLUDE is used ONLY on MVS/ESA Version 4 or higher systems to name an INCLUDE group. An INCLUDE group is a set of one or more valid JCL statements that are stored together in a JCLLIB data set or a system procedure library, and that are read in and used to replace the INCLUDE statement itself within the job. Any number of INCLUDE statements can be used in a job, but the name field value used on each should be unique within the job. The INCLUDE statements can appear in a job anywhere after the JOB statement, but may not appear between a CNTL and ENDCNTL JCL statement.

2236


Can we redefine the field of x(200) to less than 200?

1367


Kindly specify the pic clause for the data type of length option field type of data fields?

1144


What is a page in db2?

1025


Explain in brief how does db2 determine what lock-size to use?

1037


In sms datasets, what is the function of the dd mgmtclas keyword?

1381


What is a run unit?

1388


What is the difference between read work file 1 and read work file once? Why we are using work file once?

961


Difference between array and sub-script ?

1656


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

1078


Explain how can the attributes of one sms dataset be copied to another dataset?

1212


What is the use of lds (linear data set)?

1016


Write a cobol program making use of the redefine clause.

1175


What is the use of base and index registers in the IBM 360/370 processor?

3760


My sql statement select avg(salary) from emp yields inaccurate results. Why?

1087