Is order important?

Except

EXCEPT

Using EXCEPT to Determine Row Differences

How to use the EXCEPT statement to perform row differences.

EXCEPT 2

SQL Server Operations from Set Theory

SQL Server provides the UNION, EXCEPT, and INTERSECT set operations. How do they work and how can they be used in SQL Server? Can you provide any examples? Check out this tip to learn more.

BETWEEN a hard place and a rock

EXCEPT - 1

Find Customers Who Bought "A" and "B" But Not "C" (SQL Spackle)

A simple problem that can become complex in T-SQL. How do you find the rows that match 2 conditions, but not a third, in an efficient manner. MVP Jeff Moden gives us a solution.

exceptional logic