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建模一直用的mysql workbeanch,还有啥类似的好工具推荐么? 顺便问下那个虚线和实线有啥区别?
mysql workbeanch
虚线
实线
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对于第二个问题,官方文档有介绍:http://dev.mysql.com/doc/workbench/en/wb-relationship-tools.html
An identifying relationship is indicated by a solid line between the tables and a nonidentifying relationship is indicated by a broken line.
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对于第二个问题,官方文档有介绍:
http://dev.mysql.com/doc/workbench/en/wb-relationship-tools.html
An identifying relationship is indicated by a solid line between the tables and a nonidentifying relationship is indicated by a broken line.
powerdesigner