Q

Thoughts on IBM's CICS VSAM Transparency

Database management systems expert Craig Mullins shares his thoughts on IBM's CICS VSAM Transparency.

Do you have any experience with IBM's CICS VSAM Transparency?
IBM's CICS VSAM Transparency offering is an add-on product that allows VSAM programs to access DB2 data as if it was still in a VSAM file.

Basically, the data is migrated from VSAM to DB2. But the programs do not have to change. The CICS VSAM Transparency offering consists of a set of conversion tools and a run-time management control component. The conversion tools include all the utilities required to convert VSAM KSDS and RRDS structures to DB2 tables, build the static SQL drivers and migrate the data. The run-time component evaluates the application program's original...

and unaltered VSAM calls, processes them in DB2, and returns the results to the calling program.

This is a workable solution for a quick and dirty migration of VSAM data into DB2. It is really not the best solution though, because the data in most VSAM files could benefit from normalization as it gets moved to DB2, and you might encounter some performance issues that you would otherwise not face with a full-blown migration of both data and programs. That said, the migration of program code can be very costly and time-consuming, and a product like CICS VSAM Transparency can mitigate those concerns.

This was first published in June 2006

Dig deeper on IBM DB2 management

Pro+

Features

Enjoy the benefits of Pro+ membership, learn more and join.

Have a question for an expert?

Please add a title for your question

Get answers from a TechTarget expert on whatever's puzzling you.

You will be able to add details on the next page.

0 comments

Oldest 

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

-ADS BY GOOGLE

SearchBusinessAnalytics

SearchAWS

SearchContentManagement

SearchOracle

SearchSAP

SearchSOA

SearchSQLServer

Close