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。
Outer join in which all rows from the table represented on the right will be included, even if they do not have matches in the related table.
完整的外部联结,将同时包括两边的资料表,即使该资料列在相关资料表中并没有相符项目。
Outer join in which all rows from the table represented on the right will be included, even if they do not have matches in the related table.
完整的外部联结,将同时包括两边的资料表,即使该资料列在相关资料表中并没有相符项目。
应用推荐