is it alright?

Given the relation diagram of a library database here, answer the questions below e ISBN: char(13) BranchiD inti11) CardNo: varchar(9) DateOut date Duedate: date e CardNo varchar(9) Name varchar 32) Address: varchar(64) 16) BranchID: int(11) BranchName varchar(32) Address: varchar(64) e ISBN : char(13) BranchlD int11) u NumCopies int(11) ors e ISBN: char(13) Name: varchar(64) Address varchart64) Tite varchar 64) PublisherName: varchar(64) ISBN: char(13) AuthorName: varchar 32) Fil in the blanks with numbers instead of words, for example, 5 instead of five) 1The library database contains 7 tables 2. There are 4 tables with keys consist of only one field, 2tables with keys consist of exactly two fields, tables with keys consist of exactly three fields 3. The primary key in table publisher is referenced by 1 tables as their foreign keys 4. The primary key in table book authors contains 2 fields 5. The primary key in table book is referenced by 3tables as their foreign 16