在应用本地谓词以后，有8条合格的记录(外部输入基数值是8)。

There are eight qualifying records after applying the local predicate (Outer Input Cardinality value is 8).

youdao

也就是说，联接操作的内部表将被扫描 8 次，来自外部输入的 8 个合格的记录每个都将被扫描一次。

That is, the inner table of the join operation will be scanned eight times, once for each of the eight qualifying records from the outer input.

youdao

一条内部表的记录将与来自外部表的每条合格的记录相匹配(内部输入基数值是1)。

One record of the inner table will match each qualifying record from the outer table (inner Input Cardinality value is 1).

youdao