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Revision as of 09:07, 8 January 2022
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If joins or unions are considered: not even weak representation
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Line 399:
<syntaxhighlight lang="sql">
SELECT F1, F3 FROM
(SELECT F1, F2 FROM J) AS F12
NATURAL JOIN
(SELECT F2, F3 FROM J) AS F23;
</syntaxhighlight>