Efficient techniques for accessing large datasets

Using Keep, Drop and Where options.
Data restructuring.
Remote Processing.
Compressing SAS data sets
Using Index’s.
Using SAS Views.
Using SQL.
Source Control language (Source Component
Language).
Using MDDB’s.
Using HOLAP.

To read details
http://www2.sas.com/proceedings/sugi25/25/dw/25p115.pdf