Design pane select a join line.
“设计”窗格中选择联接线。
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。
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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