Difference between UNION ALL and UNION - Code World

Difference between UNION ALL and UNION

Others 2022-05-26 14:07:47 views: 0

Difference between UNION ALL and UNION

UNION: Performs a union operation on two result sets, excluding duplicate rows, and performs sorting by default rules.
UNION ALL: Perform a union operation on two result sets, including duplicate rows, without sorting.

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