Indexes are not used when there is an ineqality, like operator and searching for null in a record set. This goes to the nature of an index which puts a feild in sorted order and when the value is found the engine knows it can stop searching. With the conditions given above it makes sence that an...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.