There are eight qualifying records after applying the local predicate (Outer Input Cardinality value is 8).
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)。
2
Start from the leftmost deepest operator, in this case, the OUTER of NLJOIN(2) which is TBSCAN(2), and the INNER which is TBSCAN(4), and then the join predicate itself which is NLJOIN(2).