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What could be the disposition parameter that i would have to use in the jcl if i have a file that has to be created newly for every successful run of the program ,but at the same time it should retain the old data if my program abend in the middle and restarts. could you please provide me the code?
Chandru
- Aug 19th, 2006
U can use... DISP=(MOD,DELETE,KEEP)This will create the dataset if it is not present... Deletes the dataset in case of Normal Execution and KEEPs the dataset in case of abnormal termination and the file can be used in the next run as the disp it is MOD.
pradeepbhatt
- Jun 6th, 2006
DISP can be like one of these:1. DISP = (OLD,KEEP,DELETE)2. DISP = (OLD,CATLG,DELETE)
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What is the importance of ADDRSPC parameter in EXEC statement and how is it different from REGION parameter of EXEC statement?
kiran
- Apr 17th, 2006
Hi,ADDRSPC: this parameter specifies whether your job should use the Virtual memory or the Real memory when executing. Advantage of Virtual memory is , the Job can be paged. Virtual is Default.Region:...
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Does mainframe will support object oriented concept? Justify.
kckinney
- Sep 3rd, 2010
Yes, with the introduction of USS, z/OS can support Java or any number of POSIX compliant languages.There may be others depending on how tighly you defind OO programming. By using loose definition, you could code OO in any language.A tighter definition would limit the langueages considerably
priya anbanandam
- Jun 1st, 2006
hi all,AION tool used in mainframes ,it's an expert system tool uses object oriented concepts in depth.thanks
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Can anyone tell me more about back-end testing. I got a req for tester with mainframe(using mainframe utilities, ISPF, JCL etc). I want to what exactly do we test at back-end and how with a small ex if possible. I have some knowledge of mainframes,
kckinney
- May 22nd, 2007
Without knowing your product load, it's impossible to answer your question. For example, you could have an HTML enabled CICS region using DB/2 as a backend. Or you could be doing IPv6 translation to...
Shasha
- Nov 8th, 2006
Back-end testing is like Black Box testing. Means no need to walking through the program step by step. For Back-end testing, a Test Job needs to be prepare to execute a program, which we would like to...
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What is disposition (MOD,DELETE,DELETE)means? What's the use of this disposition?
lan
- Aug 31st, 2007
If available Delete it & create a new Else Create a new
sunayana.sarangi
- Aug 2nd, 2007
disposition (MOD,DELETE,DELETE)The 1st argument MOD :The initial disposition of the file Append data to the file. Implies exclusive use.The 2nd argument DELETE :This is the disposition on normal compl...
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Describe the EXEC statement, its meaning, syntax and keywords?
The EXEC statement identifies the program to be executed via a PGM=program name keyword. Its format is //jobname EXEC PGM=program name. The PARM= keyword can be used to pass external values to the executing program.
JOSEPH P JOHN
- Oct 25th, 2007
EXEC statement refers to a PROGRAM or a PROCEDURE to be executed Syntax: //stepname??? EXEC?? PGM=pgm-name,parametersOR //stepname???? EXEC??? procedure-name,parametersParameters are1.Positional(pgm-name,procedure name)?2.Keyword (PARM,REGION,ACCT,COND,TIME)
Daryljax
- Aug 27th, 2007
The EXEC statement is used to specify either the program (PGM) or the Procedure (PROC) to execute. The format is://aaaaaaaa EXEC PGM=xxxxxxxxor //aaaaaaaa EXEC zzzzzzzzWhere xxxxxxxx is the program name and zzzzzzzz is the PROC nameand aaaaaaaa is the stepname.
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What is the purpose and meaning of the TIME keyword and what JCL statement is it associated with?
TIME specifies the maximum CPU time allocated for a particular job or job step. If TIME is in the JOB card, it relates to the entire job; if in the EXEC statement, it relates to the job step.
prabhakar.shanmugam
- Jul 18th, 2008
if time parameter is coded on both job and step, then the time coded on the EXEC statement over-rides the one on the job.[refererred on pg 88 of Mvs Jcl Primer]U might be interested to know this ...
pavani
- Nov 6th, 2007
TIME parameter in Job card overrides the Time parameter in Step.
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How do you skip a job and run step 1 and step3 ?
A job has 3 steps by name step1, step2, step3.if i don't want to execute step2, what i have to do.
prasenjit_in
- Sep 1st, 2008
Use COND=ONLY in step 2, so that only if step 1 fails then step 2 will be executed otherwise it will bypass step2 and move to step3.
sai mainframes
- Jun 16th, 2008
Hi,u have to give condition code at step 2.Condition code given by previous person is correct, and also some times it may go wrong.for example, if step i give a condition code of 1(for serach jobs)......
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How to solve abend s322
medamahendra
- Jun 19th, 2008
it is a timeout abend.after submitting a job for a long time this abend appears means the cpu execution time taken by the system was too long so that we have to resubmit the job or else specify ...
kckinney
- Jun 8th, 2007
Sx22 abends means the system cancelled the job for some reason.The S322 is caused by exceeding the allowable CPU time. Limits on CPU time can be caused by the TIME parameter on job/step card, the ini...
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How to override EXEC PGM in a PROC thru JCL ?
davindersingh29
- Dec 17th, 2010
//EXEC PGM=&MS043this is the syntax you are looking for...just give some name from the jcl
subha2010
- Sep 2nd, 2010
As far as I am concerned whenever you want to override kindly give a steplib statement for exec pgm within your job and within joblib statement
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Why should BLKSIZE be in multiples of LRECL or less than it?
kckinney
- Sep 3rd, 2010
I'm afraid I don't understand the above answers and am pretty sure I wouldn't agree with them if I did.Assuming a VB record, you will not code a blksize as the LRECL is merely the longest ...
sai mainframes
- Jun 17th, 2008
Hi,I agree with the above answer.generally, for the purpose of compilation, compiler will accept the data in blocks.for example...if you specified LRECL=200, BLKSIZE=1000.when compiler takes one ...
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How to update a particular row in a file using JCL?
Any utilities? Don't want to use any programs.
kckinney
- Sep 3rd, 2010
JCL itself is unable to do this, however there is a suite of programs beginning with IEB*.I think the one you're looking for is IEBUPDTE. The syntax of the commands are so arcane that it'...
serken
- Dec 20th, 2008
JCL itself cannot update any file. JCL only can execute other programs. Period.Any file update can be done either by a standard utility program, or by specifically written user program. Period.
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What are the advantages of GDG?What is the diffrence between a GDG and a File?
dhs01
- Apr 15th, 2009
Basically a GDG is a catalog that will keep track of files. These files have names that conform to a certain standard. They can be generated and referenced using relative numbers. Existing versio...
serken
- Dec 20th, 2008
Actually the dataset names are created as followsX.Y.Z.G00001V00 X.Y.Z.G00002V00 X.Y.Z.G00003V00 X.Y.Z.G00004V00 X.Y.Z.G00005V00 X.Y.Z.G00006V00. . . . . . . . . etc up to the maximum number of genera...
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When a Step has ended with JCL error the data sets WOULD BE allocated?
ManFrame
- Nov 13th, 2009
No, If the JCL is ending with the JCL error no new dataset will be allocated but if the job is abending in that case it depends on the step count.Like if the job abends on step after which we are allo...
aripiralasubbu
- Apr 2nd, 2009
If JCL error occurs after the creation of data set statement in the step, then data set is created successfully, otherwise if error occurs before the creation of data set statement or creation statement then data set wont be created.
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MCQ Comparison Operators
In what order does the system evaluate comparison operators?
zameeer
- Oct 9th, 2015
Add, Subtract, Divide, Multiply and Logical operators are performed
leela10
- Feb 13th, 2010
The operators and their precedence order from highest to lowest are: Navigation operator ( . ) Arithmetic operators in precedence order: + - unary ...
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Change Dataset Name in PROC
How will you change the dataset name in PROC without altering it?
kckinney
- Sep 3rd, 2010
You can override it from the calling job. One way is to use a JCL override in the form of - PROCSTEP.PROCDD DD DSN=[overriding dsn name]This is fine provided you always use the same override dat...
avr1985
- Jul 4th, 2010
You can change the dataset name in the procedure without change its name in the Proc., mention STEPNAME.DDNAME DSN=NEWFILE NAME by writing above code in JCL it changes the proc DS in proc.
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How to use conditional statement in jcl?
How to use conditional statement in job as well as exec statement.with example?
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JCL Condition
Hi Friends,
question am going to ask is very simple but suggest me your way of thinking
am having 5 steps, i want to keep cond(condition code) for 4th step, in which the 4th step run only all the above three steps must get abend. If any one of the first 3 steps run successful the step-4 must by-pass.
If any mistakes are there please excuse me.
JCL Interview Questions
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