full outer join
(databases) 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 left or on the right table.
left
right
Imparting or improving beauty, particularly the beauty of the complexion. / External or superficial; pertaining only to the surface or appearance of something.
plural of mechanizer
selection that removes unwanted characteristics / (evolutionary theory) dysgenic selection (that has the opposite effects of natural selection)
いくつかのデータが欠けている場合でも顧客と注文のレコードを結合するため、分析担当者は行が失われないように両方のテーブルのすべての行を返す外部結合を使用した。
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DiQt
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