How about a multi-choice questionnaire with
100 (or 300) questions, and a group of market
researchers who want to ask for completely
arbitrary results - you MIGHT set this up as
a wide table with bitmap indexes on every column.
--
Jonathan Lewis
Yet another Oracle-related web site: http://www.jlcomp.demon.co.uk
Practical Oracle 8i: Building Efficient Databases
Publishers: Addison-Wesley
Reviews at: http://www.jlcomp.demon.co.uk/book_rev.html
Daniel A. Morgan wrote in message <3ACA4541.80BFFEBC_at_exesolutions.com>...
>
>There is no rational reason to define a table with 256 or more columns. In
>fact I would be seriously concerned about any table with 25 or more columns
>in a normalized database.
Received on Wed Apr 04 2001 - 08:41:26 CDT
