... 342 CHAPTER 11 WORKING WITH TEMPORAL DATA When a user submits new data or updates existing data, thereby altering date/time data in the database, the database should convert the data from the ... midnight on 1900-01-01, but you can use any date/time within the range of the data type you’re working with CHAPTER 11 WORKING WITH TEMPORAL DATA Using the DATEDIFF function, find the difference ... and working with some of the following query patterns, you can manipulate the data to 360 CHAPTER 11 WORKING WITH TEMPORAL DATA things such as correlate the number of concurrent queries with...