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21 lines
478 B
SQL
21 lines
478 B
SQL
SET join_use_nulls = 1;
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SELECT *
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FROM numbers(2) AS n1
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JOIN numbers(3) AS n2 ON n1.number = n2.number, numbers(4) AS n3
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ORDER BY n1.number, n2.number, n3.number;
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SELECT '-';
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SELECT *
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FROM numbers(3) AS n1, numbers(2) AS n2
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LEFT JOIN numbers(2) AS n3 ON n1.number = n3.number
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ORDER BY n1.number, n2.number, n3.number;
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SELECT '-';
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SELECT *
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FROM numbers(2) AS n1, numbers(3) AS n2
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RIGHT JOIN numbers(4) AS n3 ON n2.number = n3.number
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ORDER BY n1.number, n2.number, n3.number;
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