Portal | Manuals | References | Downloads | Info | Programs | JCLs | Master the Mainframes
IBM Mainframe Computers Forums Index
 
Register
 
IBM Mainframe Computers Forums Index Mainframe: Search IBM Mainframe Forum: FAQ Memberlist Usergroups Profile Log in to check your private messages Log in
 

 

alternate index for cluster

 
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> DFSORT/ICETOOL
View previous topic :: :: View next topic  
Author Message
lavanya

New User


Joined: 08 Jul 2005
Posts: 8

PostPosted: Mon Jul 18, 2005 10:20 am    Post subject: alternate index for cluster
Reply with quote

hi,
what is the exact use of alternate index in the cluster creation.


thanks,
lavanya
Back to top
View user's profile Send private message

rssomm

New User


Joined: 05 Jun 2005
Posts: 41
Location: Hyderabad

PostPosted: Mon Jul 18, 2005 1:25 pm    Post subject: Re: alternate index for cluster
Reply with quote

Alternet Index provides another way of random accessing to a VSAM dataset.
Suppose a KSDS has primary key Employee ID. We can access any record in this KSDS if we know the Employee Id.

You can build alternate index on another field in this KSDS record say on Employee Name. If you know employee name now, You can access any record in the KSDS.

Alternate Index need not be Unique and can be built both on KSDS and ESDS.

Regards
Madhu
Back to top
View user's profile Send private message
View previous topic :: :: View next topic  
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> DFSORT/ICETOOL All times are GMT + 6 Hours
Page 1 of 1

 

Search our Forum:

Similar Topics
Topic Author Forum Replies Posted
No new posts Order BY AND Index Nileshkul DB2 2 Sat Dec 31, 2016 6:33 pm
No new posts Several errors during building altern... Andi1982 JCL & VSAM 11 Wed Jul 06, 2016 7:39 pm
No new posts Drop building Alternate Index for a p... bhavin.mehta JCL & VSAM 6 Mon Jul 04, 2016 3:47 pm
No new posts trying to define a VSAM Cluster in JCL t5590ag JCL & VSAM 10 Thu May 19, 2016 5:52 am
No new posts VSAM Alternate Index in CICS jacobdng CICS 2 Fri May 06, 2016 1:41 pm


Facebook
Back to Top
 
Mainframe Wiki | Forum Rules | Bookmarks | Subscriptions | FAQ | Tutorials | Contact Us