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Find the reference relationship tool in the toolbox:From area table to province Pull the reference relationship between the tables, the arrow points to the parent table, and then double-click the reference relationship line to open the properties of the reference relationship:
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here to check whether the parent table and the child table are correct , If the operation is incorrect, you can click the drop-down list box to select.Click the link tab to enter the fields Association setting:
As shown in the figure above, set the association field of the sub-table here.
OK, the relationship between the basic parent table and the child table has been set up, remember that it is best not to use the name automatically generated by the system, and modify it to your own, otherwise the same name may appear when there are more tables.
How PowerDesigner designs the association between tables
Steps/Methods
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Find the reference relationship tool in the toolbox:Pull the reference relationship from the region table to the province table, the arrow points to the parent Table, and then double-click the reference relationship line to open the properties of the reference relationship:
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As shown in the figure above, set the association field of the sub-table here.
OK, the relationship between the basic parent table and the child table has been set up, remember that it is best not to use the name automatically generated by the system, and modify it to your own, otherwise the same name may appear when there are more tables.
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As shown in the figure above, set the association field of the sub-table here.
OK, the relationship between the basic parent table and the child table has been set up, remember that it is best not to use the name automatically generated by the system, and modify it to your own, otherwise the same name may appear when there are more tables.
< p>Find the reference relationship tool in the toolbox:
< p>Draw the reference relationship from the region table to the province table, the arrow points to the parent table, and then double-click the reference relationship line to open the properties of the reference relationship:
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Check here whether the parent table and the child table are correct, if the operation is If the mistake is incorrect, you can click the drop-down list box to select.
Click the link tab to set the field association setting:
As shown in the figure above, set the association field of the sub-table here.
OK, the relationship between the basic parent table and the child table has been set up, remember that it is best not to use the name automatically generated by the system, and modify it to your own, otherwise the same name may appear when there are more tables.
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