Provider Information
MS Jet Column Type Information:

Short (I2) (size 5) (isfixedlength) (best)
Long (I4) (size 10) (isfixedlength) (isautoincriment) (best)
Single (R4) (size 7) (isfixedlength) (best)
Double (R8) (size 15) (isfixedlength) (best)
Currency (CY) (size 19) (isfixedlength) (best)
DateTime (DATE) (size 8) (isfixedlength) (best)
Bit (BOOL) (size 2) (isfixedlength) (best)
Byte (UI1) (size 3) (isfixedlength) (best)
GUID (GUID) (size 16) (isfixedlength) (best)
LongBinary (BYTES) (size 1073741823) (islong)
VarBinary (BYTES) (size 255) (max length) (best)
LongText (WSTR) (size 536870910) (islong)
VarChar (WSTR) (size 255) (max length) (best)

This list can be created for any initialized source, by choosing [Admin/DBMS data types] and copying from the Results tab.