Efficiency: objects of wxDateTime are small (8 bytes) and working with them is fast only come into play when a date is broken into year/month/day components. way implemented by wxTimeSpan: it is just a difference in milliseconds between . The old classes for date/time manipulations ported from wxWidgets version
SQL create different date styles with t-sql string functions. SELECT . + SUBSTRING(CONVERT(varchar,@Date,0),12,8). – Result: . SQL calculate age in years, months, days .. SQL time part – right 4 bytes – milliseconds since midnight.
12 Apr 2008 second i want the time difference of these two dates Calculate and display the difference of date/time between -- the two test variables SELECT . Calculate and display the TIME SELECT CONVERT(CHAR(8),@DateEnd-@DateStart,108) . The years part of the calculation can also be used to find age.