noun
inner join
Database operation that returns rows when there is a match in both tables being joined.
Antonyms: 外部結合
内部結合を使うと、両方のテーブルに共通するデータだけが得られます。
Using an inner join, you get only the data that is common to both tables.
外部結合 (outer join) returns all rows from one table and matched rows from the other, while 内部結合 returns only rows with matches in both tables.
Compound of 内部 (internal) and 結合 (join, union), a direct translation of the English computing term 'inner join'.