There is also a full outer join between these two sub queries based on a column called sc.
在基于名为sc 的列上还有两个子查询的完全外连接。
In these cases, keep in mind that the local processing of a full outer join may also impact performance.
这种情况下，请记住，完全外连接的本地化处理也会影响性能。
A full outer join in which all rows from both tables will be included, even if they do not have matches in the related table.
外部联结，将包括左边资料表的所有资料列，即使该资料列在相关资料表并没有相符项目。
When you select an option to create an outer join, the diamond graphic in the join line changes to indicate that the join is a left outer, right outer, or full outer join.
当选择创建外部联接的选项时，联接线中的菱形图会改变，以指示联接是左外部联接、右外部联接还是完全外部联接。
When you select an option to create an outer join, the diamond graphic in the join line changes to indicate that the join is a left outer, right outer, or full outer join.
当选择创建外部联接的选项时，联接线中的菱形图会改变，以指示联接是左外部联接、右外部联接还是完全外部联接。
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