MySQL Workbench添加外键到EER时出现selected column address must be indexed and be of a compatible type
1、双击表格，点击Foreign Keys，建立外键时出现 Foreign key Name：外键名，即别称，可自定义 Referenced Table：从表(外键指向的其它表) Column：外键列 Referenced Column：从表的外键列 2、双击Referenced Table，然后点击Indexes 3、在2处将要Referenced Column打勾即可。即创建了一个索引。 总结
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