left outer join

noun

A join yielding a set of records for two tables, where all rows of the "left" table are enlisted with all rows of the "right" table, even if the join condition does not find any matching row on the "right".

Similar
left join
Opposite
right outer join
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Meanings

nounleft outer join (plural left outer joins)

plural left outer joins

  1. computingA join yielding a set of records for two tables, where all rows of the "left" table are enlisted with all rows of the "right" table, even if the join condition does not find any matching row on the "right".

    Synonyms: left join

Synonyms & antonyms

nounA join yielding a set of records for two tables, where all rows of the "left" table are enlisted with all rows of the "right" table, even if the join condition does not find any matching row on the "right".

Similar
left join
Opposite
right outer join
Cite this entry
APA

left outer join. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/left%20outer%20join

MLA

“left outer join.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/left%20outer%20join. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “left outer join,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/left%20outer%20join.

Source: left outer join on Wiktionary, CC BY-SA 4.0.