grid table template grid报表模板
The constraints defined on the columns of the template table are not copied.
不复制在模板表的列上定义的约束。
Listing 2 shows the second method-copying from a template table. For this method, note the following.
清单2展示了第二种方法—从模板表复制。
External table "et_state" does not keep the reference to the template table "state"; meaning that, when the state table is later modified, the external table is not affected.
外部表“et_state”并不保持对模板表“state”的引用,即,state表稍后有改动时,这个外部表不受影响。
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