Best way to compare the end of a string, use RIGHT, LIKE or other?

Question

I need to compare the end of strings against a list of possible ending in a stored procedure. It will be called a lot and there are around 10-15 candidate endings. At this point

Answer 1

Parsing strings will have an overhead, best suggestion is the LIKE '%foo' OR as an option. Certain indexes will take advanage and do Seeks over Scans.

You'd have to benchmark to see if suitable but would be easily testable.

Check this out regarding LIKE and INDEX http://myitforum.com/cs2/blogs/jnelson/archive/2007/11/16/108354.aspx

Answer 2

also, you may use a combination of RIGHT and LENGTH so that you do not hardcode string length.

Answer 3

The best way to optimize this for SQL might be to store the REVERSE string value in another column that is indexed and search the left side of that using either LEFT or LIKE.