Please, i need Unique answer, Use your own words (don't copy and paste).

*Please, don't use handwriting.

Please, i need Unique answer, Use your own words (don't copy and paste).

*Please, don't use handwriting.

Q1:

What is the storage manager component that is responsible for fetching data from disk storage into main memory? And why it is considered a critical component?

Q2:

Q3:

Suppose you are working on a project for building a database for library management system. Your manager asked you to design the library Entity Relationship Model. Show us your proposed model? Consider the following hint:

Q4:

Each publisher has a list of books

Each Member has a list of borrowed books.

Please, i need Unique answer, Use your own words (don't copy and paste).

*Please, don't use handwriting.

Please, i need Unique answer, Use your own words (don't copy and paste).

*Please, don't use handwriting.

Consider the following relational database: Employee (personName, street, city) works (personName, companyName, salary) Company (companyName, address) Give an expression in the relational algebra to find the names of all employees who live in "Miami" city and whose salary is greater than $100,000. What is the relation result of the natural ioin between these two relations? Relation (a) Relation (b) 4 25 36 78 38 90 12 34 56 56 67 56 23 4 25 36 56 38 23 1266 56 86 34 89 34 67 67