Can you explain this without copy pasting another questions answer i need to learn how to write these oracle sql commands, i am not copy pasting i am trying to learn so please help me with this 10 questions and again please do not copy paste another similar questions answers, thanks in advance.

Using Oracle Sq1:1 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. a) Write or paste SQL commands (create table.) b) Paste structure of tables (describe) below. 2. Create a view. Write SQL commands below. a.)Create a simple view for each tables. b.)Create a complex view that joining with three tables. 3.Create a non-unique index on each table for a non-ugiue column. Write SQL commands below. 4. Create a sequence for primary key column on each table. Write SQL commands below: 5.Insertany three records to each table. Write SQL commands below. 6.Update at least one record on each table. Write SQL commands below. 7. Create backup tables from your tables, Write SQL command's below. 8. How to list your objects (tables.views.indexes sequences.synonyms) and constraints.Please write commands and results. Write SQL commands below. 9. Please add a new column to your tables. Write sql commands and results. Write SQL command's below. 10. Write a conditional insert statement A conditional insert all statement that insert records when point