index example - SAS Support Communities

Fluorite | Level 6

Fluorite | Level 6

index example

Posted 05-18-2012 11:08 AM (2144 views)

Hello everyone.

I am confuse about why we need to create an index for a dataset,could anyone give a small example?

Thanks in advance!

Mike

3 REPLIES 3

Fluorite | Level 6

Fluorite | Level 6

Re: index example

Posted 05-18-2012 04:43 PM (2085 views) | In reply to Mike_Davis

Thanks

Calcite | Level 5

Calcite | Level 5

Re: index example

Posted 05-18-2012 04:55 PM (2085 views) | In reply to Mike_Davis

http://www2.sas.com/proceedings/sugi30/008-30.pdf

Super User

Super User

Re: index example

Posted 05-20-2012 10:20 PM (2085 views) | In reply to Mike_Davis

In general, we need index because we want to save running time . Especially for a large dataset.