Relational operators list

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Relational operators list

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Local SQL supports the following join types:

Join operator

Description

Equi-join

Joins two tables, filtering out non-matching rows.

INNER

Joins two tables, filtering out non-matching rows.

OUTER

Joins two tables, retaining non-matching rows.

Cartesian

Joins two tables, matching each row of one table with each row from the other.

UNION

Concatenates the result set of one query with the result set of another query.

Heterogeneous

Joins two tables in different databases, including differing database types.