35 lines
1.1 KiB
SQL
35 lines
1.1 KiB
SQL
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-- Qualify columns
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SELECT a FROM x;
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SELECT x.a AS a FROM x AS x;
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SELECT b FROM x;
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SELECT x.b AS b FROM x AS x;
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-- Derived tables
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SELECT x.a FROM x AS x CROSS JOIN (SELECT * FROM x);
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SELECT x.a AS a FROM x AS x CROSS JOIN (SELECT x.a AS a FROM x AS x) AS _q_0;
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SELECT x.b FROM x AS x CROSS JOIN (SELECT b FROM x);
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SELECT x.b AS b FROM x AS x CROSS JOIN (SELECT x.b AS b FROM x AS x) AS _q_0;
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-- Expand *
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SELECT * FROM x;
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SELECT x.a AS a FROM x AS x;
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SELECT * FROM y CROSS JOIN z ON y.b = z.b;
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SELECT y.b AS b, z.b AS b FROM y AS y CROSS JOIN z AS z ON y.b = z.b;
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SELECT * FROM y CROSS JOIN z ON y.c = z.c;
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SELECT y.b AS b, z.b AS b FROM y AS y CROSS JOIN z AS z ON y.c = z.c;
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SELECT a FROM (SELECT * FROM x);
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SELECT _q_0.a AS a FROM (SELECT x.a AS a FROM x AS x) AS _q_0;
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SELECT * FROM (SELECT a FROM x);
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SELECT _q_0.a AS a FROM (SELECT x.a AS a FROM x AS x) AS _q_0;
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