>I have a composite key that consists of two integer fields. How do I create the composite key?
>
>If I do STR(iKey1)+STR(iKey2), I will get a long string, right? I can't alltrim them because that will make the composite index wrong, right? Do I have to fix the number of characters for each field of the composite key?

STR(iKey1) + STR(iKey2) is the way to go. Don't do an ALLTRIM since iKey1 = 11, iKey2 = 1 will have the same index value as iKey1 = 1, iKey2 = 11. By default, STR will create a 10 character field. If your value are less than that, specifying a length will reduce the size of the index. If it's greater, you will have to specify the lenght, otherwise the index will be truncated.