Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does read-only access mean?
💡 Hint: Think about the actions you can take in a library.
Question 2
Easy
Name a tool that can complement SQL for data analysis.
💡 Hint: Consider popular data visualization tools.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the benefit of using read-only access when learning SQL?
- Allows modifying data
- Prevents data alteration
- Gives full permissions
💡 Hint: Consider why one might want to limit their access.
Question 2
True or False: It is essential to focus on query complexity over readability.
- True
- False
💡 Hint: Think about how you’d want code to be structured.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are tasked with writing a SQL query to retrieve all sales data from a database named 'sales_records' for the year 2023. What would your query look like?
💡 Hint: Remember to filter by the sale_date field.
Question 2
Explain how you would present findings that you derived from SQL data analysis using a visualization tool like Power BI.
💡 Hint: Consider the features of Power BI that allow for data exploration.
Challenge and get performance evaluation