(1)修改Cardinalities 为One-one
(2)设置Dominant role A->B(假设表A,表B),保存
(3)到Joins页,设置Parent为None,设置Parent Attribute,Child Attribute
(4)设置Dependent或者Mandatory
下面是图示,A有扩展属性B.
(1)修改Cardinalities 为One-one
(2)设置Dominant role A->B(假设表A,表B),保存
(3)到Joins页,设置Parent为None,设置Parent Attribute,Child Attribute
(4)设置Dependent或者Mandatory
下面是图示,A有扩展属性B.