Database problems MySQL

Already know test There are books under the library 、 Three tables for readers and borrowers , Their structures are as follows ：
The book ( Total number , Classification number , Title , author , Publisher , The unit price )
readers ( Library card number , Company , full name , Gender , The title , Address )
Borrow ( Library card number , Total number , Borrowing date )
( Answer notes ： The column attribute names in the table can be in Chinese characters )
use SQI Language completes the following tasks ：
1) Check the name and organization of all the readers who are not surnamed Liu .
2) Audit the operation of modifying the structure of the book table or modifying the data of the book table .
3) Check the names of all readers who have borrowed books , The title , The title of the book borrowed , The author of the book and the date of borrowing .
4) Build users xinke, password ：1234. And give him test All permissions of the library's book table . At the same time, it can also be authorized by other users .
5) For users xinke Right to receive , Take back his right to test Insert data permission of library table , Other permissions are reserved .
6) Restricted books 《 database 》 most 30 Students borrow .