Database of Library

mockup:

https://github.com/M7Arman/Library/blob/master/database.pdf or https://drive.google.com/file/d/0B-wg8IIQTbruRGpjM1Y1NG1QYUEyQmxfNHczdi01T2VMLW5R/edit?usp=sharing

Tables:

• Book
• Author
• Category
• User
• Language
• BookAndAuthor
• BookAndCategory
• BookAndUser