See
http://trigeminal.com/usenet/usenet011.asp
for explanation of why that is usually a really bad idea.

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MichKa [MS]
NLS Collation/Locale/Keyboard Development
Globalization Infrastructure and Font Technologies
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> I wanna define an autoincrement column in a table just using Jet SQL, and
> the field size must set to Replication ID (GUID in Access, 16bytes in
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> Best regards,
> Laser Lu