[MSDN Library June 1998] Overriding Default Leading and Seconds Precision for Interval Data Types (21.7486651411137%)
MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Microsoft Data Access SDK > Microsoft Open Database Connectivity (ODBC) > ODBC Programmer's Reference > Appendixes > Appendix D Data Types > Guidelines for Interval and Numeric Data Types > Interval Data Types