《《《《《《《《内容已删除》》》》》》》》》

SHIP3

SHIP3

SHIP3

SHIP3

1

The SHIP3 operator contains the statement that shows the result of the scalar subquery being bound in as a host variable .

SHIP3 操作符包含一个语句，该语句表明标量子查询的结果放在一个主机变量中。

2

Next , the middle HSJOIN would cause execution of SHIPs 3 and 4 in sequence, after which the join result would be delivered to the UNION .

接着，中间的 HSJOIN 将导致 SHIP3 和 SHIP4 依次执行，然后连接结果被提交给 UNION 。

热词推荐

大家在看