Witzbolde…

In general, case-sensitive data should not need to be stored in a database. You should be able to match "Jones" with "JONES." If you need to store case-sensitive data, such as passwords, please consider carefully the ramifications of each of the methods outlined in this article.
 

Microsoft (ehrlich!)
Zur Erklärung, warum die Jetsam Datenbank Engine nicht case-senstive ist.