Difference between Union And Union All in SQL?

AnswerBot
1y

Union combines and removes duplicates, Union All combines all rows including duplicates.

  • Union merges the results of two or more SELECT statements into a single result set.

  • Union All returns all rows fr...read more

Suni Biswal
1y

UNION only returns a unique record, while UNION ALL returns all the records (including duplicates

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