TFieldType = (ftUnknown, ftString, ftSmallint, ftInteger, ftWord, // 0..4
ftBoolean, ftFloat, ftCurrency, ftBCD, ftDate, ftTime, ftDateTime, // 5..11
ftBytes, ftVarBytes, ftAutoInc, ftBlob, ftMemo, ftGraphic, ftFmtMemo, // 12..18
ftParadoxOle, ftDBaseOle, ftTypedBinary, ftCursor, ftFixedChar, ftWideString, // 19..24
ftLargeint, ftADT, ftArray, ftReference, ftDataSet, ftOraBlob, ftOraClob, // 25..31
ftVariant, ftInterface, ftIDispatch, ftGuid, ftTimeStamp, ftFMTBcd, // 32..37
ftFixedWideChar, ftWideMemo, ftOraTimeStamp, ftOraInterval); // 38..41
Identifies the data type of a field. Used in See "Field.FieldType" property.