Hi Bela,
>Can Rushmore use indexes made under different collate sequence than the current one?
No. Rushmore can only use an index that has the same collate sequence as currently is active, because the collate sequence determines how strings are compared. And any other collate sequence beside MACHINE is usually slower, up to 80%. Beside that, the GENERAL collate sequence has a lot of bugs, for example it doesn't work reliable at all with numeric, especially with integer expressions.
Christof
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Christof