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0 : 1.3.08. Joins, canonical algebraic form
1.3.08. Joins, canonical algebraic form
Conditional (on join condition)
Only combines tuples where true
Cartesian product (conditionless)
example of conditionless join
all tuples combined
R ⋈
true
S
⋈, Binary operator
e.g. R ⋈
<join_condition>
S