Big Countries
Discover the largest nations globally, making a geographical exploration into landmass and populations.
Recyclable and Low Fat Products
Explore eco-friendly, low-fat products, promoting a healthy lifestyle and sustainable consumption.
Customers Who Never Order
Identify and analyze customers who haven't placed any orders, optimizing customer engagement strategies.
Article Views I
Delve into article view metrics, understanding user engagement and content popularity for informed decisions.
String Methods
Learn fundamental string manipulation techniques, essential for data processing and text analysis.
Invalid Tweets
Detect and handle incorrect or faulty tweets, enhancing data accuracy and reliability in social media analytics.
Calculate Special Bonus
Compute special bonuses, incentivizing and rewarding performance effectively within an organization.
Fix Names in a Table
Correct and standardize names in a dataset, ensuring consistency and accuracy in data representation.
Find Users With Valid E-Mails
Filter and extract valid email addresses, improving data quality for targeted communication.
Patients With a Condition
Analyze patients with specific medical conditions, aiding healthcare professionals in tailored treatment plans.
Count Occurrences in Text
Master the art of counting occurrences in text data, a crucial skill for text analysis and natural language processing.
Nth Highest Salary
Gain proficiency in SQL to find the Nth highest salary, a valuable skill in database query optimization.
The Number of Rich Customers
Identify and quantify affluent customers, essential for targeted marketing and business growth strategies.
Find Total Time Spent by Each Employee
Aggregate and analyze employee time data, optimizing resource allocation and project management.
Game Play Analysis I
Analyze game data, deriving insights into player behavior and improving game design and engagement.
Actors and Directors Who Cooperated At Least Three Times Explore collaborations in the film industry, enhancing insights into partnerships for better project planning.
Replace Employee ID With The Unique Identifier Enhance data integrity by substituting employee IDs with unique identifiers, aiding database management.