首先确定当前用户拥有这些系统数据库的相应权限!!!!
mysql workbench默认没有显示information_schema,mysql, performance_schema这三个系统数据库,我们只要在preference中设置如下:
edit->Preferences->SQL Editor->general->show data Dictionaries and internal schemas
点击ok,就能看到这些系统表了,
Posted in: MySQL practise
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