Data Modelling Quiz

Which phase involves understanding client requirements and defining data entities?

• Testing the data model solution

• Developing a data model solution

• Reviewing and refining the data model solution

• Skills, knowledge and behaviours

What is an example of a tool used for data modelling?

• Google Sheets

• Microsoft Paint

• ER/Studio

• Adobe Photoshop

In the context of a retail client, what kind of relationship exists between Customers and Orders?

• 1:1 relationship

• 1:N relationship

• M:1 relationship

• M:N relationship

During which phase are test cases such as inserting multiple records and checking automatic inventory adjustments conducted?

• Developing a data model solution

• Testing the data model solution

• Reviewing and refining the data model solution

• Skills, knowledge and behaviours

What is the purpose of a junction table in a data model?

• To store customer addresses

• To facilitate M:N relationships

• To enhance database security

• To backup the database

What is a key skill for a data modeller?

• Proficiency in graphic design

• Understanding of database design principles

• Expertise in hardware maintenance

• Knowledge of social media marketing

What type of testing ensures individual components of the data model function correctly?

• Performance testing

• Regression testing

• Unit testing

• Stress testing

Which phase involves gathering feedback from stakeholders to optimise the data model?

• Developing a data model solution

• Testing the data model solution

What is a practical example of an attribute for the Products entity?

• CustomerID

• OrderID

• Price

• Shipping Date

Which technique is used to ensure queries return results within acceptable timeframes during peak hours?

• Unit testing

• Integration testing

• Performance testing

• Usability testing