9 lines
235 B
Plaintext
9 lines
235 B
Plaintext
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# Run a self-join with SQL table aliases.
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fact Parent(alice, bob).
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fact Parent(bob, carol).
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fact Parent(carol, dave).
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schema Parent(parent, child).
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sql SELECT p.parent, q.child FROM Parent AS p, Parent AS q WHERE p.child = q.parent;
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