Datatype (database columns) Purpose Returns the column's data type. It contains a constant integer value indicating the data type of the column. This attribute is read only at runtime. Syntax Table.Column (ColumnID).Datatype [Constant] Constant Possible values: fcString character or text data fcInteger long integer numeric data fcLong long Integer numeric data fcSingle double floating point numeric data fcDouble double floating point numeric data fcCurrency currency data fcDate date and time data fcBinary binary data