>>Hi all,
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>>I have to do an Alter Table command on an indexed table. Am I loosing the index when I do that? And if so, how can I avoid it?
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>AFAIK No. There is no warning of such in Help, I've never heard of it and, indeed, I['ve done many an ALTER TABLE without even considering this.
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>Howevr, if your alteration produces a new index, or, say, deletes a field that is already indexed, then obviously this will have an effect on your CDX file.
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It works differently for tables and cursors. What you describe is true for tables, while cursors will lose index for any ALTER TABLE command.