July 2010
Intermediate to advanced
840 pages
16h 33m
English
Content preview from Joe Celko's SQL for Smarties, 3rd Edition
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Chapter 13. BETWEEN and OVERLAPS Predicates
THE BETWEEN AND OVERLAPS predicates both offer a shorthand way of showing that one value lies within a range defined by two other values. The BETWEEN predicate works with scalar range limits; the OVERLAPS predicate looks at two time periods (defined either by start and end points or by a starting time and an INTERVAL) to see if they overlap in time.
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