Temporal Datatypes in SQL Server

In the first of a series of articles on the tricks of tackling temporal data in SQL, Joe Celko discusses SQL's temporal data types and agonizes over the fact that, though there are ANSI/ISO Standards for temporal operations in SQL, every vendor has something different. He explains the mysteries of such things as time-zones, lawful time, UTC, CUT, GMT, CE, DST, and EST.

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