System is divided into administrators and ordinary users two roles,
Administrator: user management (add and delete), document management (manage all documentation, add and delete),
Ordinary users: registration, file management (add and delete), file sharing (share to specify users),

CodePudding user response:

ER chart software with a big, how to draw, you understand the concepts of entity-relationship first, one-to-one, one-to-many, many-to-many, etc.

CodePudding user response:

I know, I just want to see my picture right,, every brother please show