>>
>>SET COLLATE is set to MACHINE by default. I would say, the answer is yes, you are safe.
>>
>>In VFP 9, you can directly see what collation sequence is used by each index, just in case.
>
>How do you "see" what collation is used? And what would be a practical example it?

You can see it using idxcollate(), or along with other info, using aTagInfo() function.