Mainframe, MVS and zOS Discussion

Hello nicc,

it is the tuning of application programs using Db2.

Hello everyone!

what are the performance tuning techniques and how do we use in mainframes? plz explain?

Thanks Anuj.

How can we identify the submitted job is the production job? in my project the jobs starts with OP as production jobs and OT are the Test jobs.. so by checking the Jobcard in the spool we could identify the submitted are porduction jobs.. Is there anyother way can we identify the submitted jobs is p...

Hello everyone!

could you please tell me the resolution steps for -803(Duplicate key on insert or update.)?

Hello everyone.. This question asked me in the interview.. Please provide the answer. A Cobol+Db2 program moved to production and in production it failed at the Bind step. how do we identify the problem in Bind related to production? .. I mean to say in test it binded successully. where as in produc...