Most projects, we use all the time accuracy to what number, when not treated, stored in the database, the time to the millisecond accuracy on. For example, typing '2013-12-30', but saved in the database becomes '2013-12-30 00: 00: 00.000'. When usually used between ..and .. statement, the numerical data for the two types are included, such as select * from table where number between 1 and 10, 1 and 10 included in the results. But with the actual understand a little different between ..and .. statement when used on time type data. If I want to check 2013-12-30 to 2013-12-31 two days of data, presumably with the BETWEEN
'2013-12-30' and '2013-12-31' is supposed to be able to get this desired result, but the result is this:
2013-12-30 only found the day's data. DESCRIPTION between '2013-12-30' and '2013-12-31' action period is '2013-12-3000: 00: 00.000' to '2013-12-3100: 00: 00.000' (inclusive) between. Well, next time pay attention.