Question: 1.Please create related three tables about a subjects (for exp. Students, Employees, Products, Books, Club_Membership, Hobbies etc.) must contain at least a default value definition

1.Please create related three tables about a subjects (for exp. Students, Employees, Products, Books, Club_Membership, Hobbies etc.) must contain at least a default value definition and a primary key, a foreign key,unique,not null and check constraints. (10 points)

2. Create backup tables from your tables. (10 points)

Write SQL command/s below:

3. How to list your objects (tables,views,indexes,sequences,synonyms) and constraints.Please write commands and results. (10 points)

Write SQL command/s below:

4. Please add a new column to your tables. Write sql commands and results. (10 points)

Write SQL command/s below:

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