Relational Database Table Selection

The video tutorial discusses normalizing a relational database into four tables. It begins by explaining the concept of a table as a set of data related to a single entity. The instructor identifies potential tables such as loans, employees, items, and departments, and discusses the redundancy in existing tables. The tutorial concludes by selecting the final four tables, emphasizing the unique relationships between departments and supervisors, and explaining why certain tables are chosen over others.

What is the primary task discussed in the video regarding the relational database?

• To create a new database from scratch

• To delete unnecessary tables

• To normalize the database into four tables

• To merge tables into one

What is a table in the context of a relational database?

• A collection of unrelated data

• A set of data related to a single entity

• A random assortment of data points

• A list of primary keys

Which of the following is NOT mentioned as a potential table in the system?

• Customers

• Departments

• Employees

• Loans

Why is the department table considered for normalization?

• It is the most frequently accessed table

• It is the smallest table

• It is full of redundant data

• It contains unique data

What is the fifth potential table mentioned in the video?

• Supervisors

• Projects

• Clients

• Assets

Why might supervisors be excluded from the final four tables?

• They are not unique

• They are interchangeable with departments

• They contain no useful data

• They are too complex to include

What kind of relationship exists between departments and supervisors?

• Many-to-many

• No relationship

• One-to-many

• One-to-one

Which table is suggested as the better option to include in the schema?

• Items

• Loans

• Departments

• Supervisors

What is the main reason for choosing departments over supervisors?

• Departments have more data

• Departments are more unique

• Departments are easier to manage

• Departments have a one-to-one relationship with supervisors

What is the key consideration when deciding which tables to include?

• The frequency of access

• The number of columns

• The uniqueness of the data

• The size of the table