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Joins in SQL, 161–72
anti joins, 171–72
cartesian products, 170
efficient joins, 165–66
equi joins and range joins, 168–69
inefficient joins, 169–70
intersections, 166–68
join formats, 161–65
mutable and complex joins, 172
outer joins, 170–71
self joins, 168
tuning, 172
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