November 28, 2007 7:38 AM
Profile: Denny Cherry
DNS, Firewalls, Migration, Reporting
What’s up with the N in front of string values?

If you have looked at pretty much any Microsoft provided T/SQL code you have probably seen an N in front of a string value when setting a variable much like this.
SELECT *
FROM...
November 26, 2007 7:35 AM
Profile: Denny Cherry
DNS, Firewalls, Reporting, Wireless
Should I be using uni-code data types?

The path that Microsoft is going says yes. They are moving all there samples and defaults to using uni-code. In reality uni-code may not be needed in your environment. If you are storing only Latin characters (the US alphabet characters) then you probably don't need to store uni-code...