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To combine customer and order records even when some entries are missing, the analyst used a full outer join to ensure no rows were lost.
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To combine customer and order records even when some entries are missing, the analyst used a full outer join to ensure no rows were lost.
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Related words
full outer join
Noun
Japanese Meaning
データベースにおいて、2つのテーブルを結合する操作。左側のテーブルと右側のテーブルのすべての行を結果に含め、結合条件に合致しない行についてはNULLなどの補完値を用いる。
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