Support for FULL OUTER JOIN
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Key: DERBY-4832
URL: https://issues.apache.org/jira/browse/DERBY-4832
Project: Derby
Issue Type: Improvement
Components: SQL
Affects Versions: 10.6.1.0
Reporter: Uriah Eisenstein
Support for FULL OUTER JOIN. Among other things, this could be useful for
comparing table contents or query results.
"A full outer join B" can of course be achieved using "(A left join B) union (B
right join A)", but the former would not only be shorter and more legible, but
also possible to optimize in certain circumstances.
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