How to get the difference between two lists?

[Dar Scott]

On Apr 4, 2005, at 12:07 AM, Brian Yennie wrote:

> What kind of database? You might be able to keep these operations 
> in-database, depending on what the tables/ needs are.

I like this one, Ken.  In general, I'd reconsider the overall design.  
Specifically, I'd think about queries that do what you want.  If the 
set has to be a single value, then I'd consider a blob that represents 
a bit set as the db representation.

Dar