If there is an index on the join column, the costs will be significantly less; otherwise the database server must perform table scans for all tables, both outer and inner tables.

如果连接列上有一个索引，那么其成本会相当低；否则，数据库服务器就必须对所有表(外部和内部表)执行表扫描。

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Create an expression that performs an inner equi-join on the ID columns in the two result sets by clicking the... button or by specifying it manually.

通过单击…按钮或手动指定，创建一个表达式，该表达式执行两个结果集中的id列上的内部相等连接。

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The merge statement first does a join (outer join or inner join, depending on the merge statement) between source and target table rows.

merge语句首先进行(外部联接或者内部联接，取决于merge语句)源与目标表行之间的联接。

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We are so glad that you're with us, so glad you can join us here today on the Inner Core.

真高兴你今天能，做客我们人性节目。

普林斯顿公开课 - 人性课程节选

Mr Wiedeking has gained a seat on the Praesidium, the inner circle of Volkswagen's supervisory board, and his chief financial officer Holger Haerter is set to join the board on 3 May.

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