Which relational algebra operators can be appleid to a pair of tables that are not union-compatible?

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asked Jul 6, 2019 149k views

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Kreychek · Answer 1 · 2019-07-12T02:29:25+0000

I guess the relational algebra operators can be applied to pair of tables that are not union-compatible are SELECT, PROJECT, DIVIDE, PRODUCT, and JOIN.

Which relational algebra operators can be appleid to a pair of tables that are not union-compatible?

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