>>When I do a insertion of a record I want to save not only the Timestamp like "HH;MM;SS" but I also want to store the microsecond part, since in 1 second a machine can store mulitple records, ant I want to distinguish them by milli or microsecond.
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>Check http://www.karaszi.com/SQLServer/info_datetime.asp#DtFormatsInput - in SQL Server 2008 you can have better precision using datetimeoffset type

He's using MySQL (according to Database on the message). I don't think MySQL has that.