The Query and View Designer displays one join line for each join condition.
可显示每个联结条件的联结线。
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。
The shape of the icon in the middle of the join line indicates how the tables or table-structured objects are joined.
联结线中间的图示形状即表示资料表或表格化物件的联结方式。
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