12.3 - Validating Backend Data with Frontend
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Practice Questions
Test your understanding with targeted questions
What SQL command is used to retrieve data from a database?
💡 Hint: Think about the keyword often associated with data retrieval.
In a query, what clause would you use to filter results based on specific conditions?
💡 Hint: It's the part of SQL that specifies filtering criteria.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What SQL command do you use to filter records?
💡 Hint: Consider which keyword signifies conditions in a query.
True or False: A JOIN can only be used with two tables.
💡 Hint: Recall if you can join more than two entities.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Imagine a situation where a user registration form inaccurately saves user data. Explain how you would use SQL to identify and fix this issue.
💡 Hint: Think about how you track down information in the database.
Create an SQL query that combines order details from an 'orders' table and user details from a 'users' table to display all orders made by a specific user.
💡 Hint: Consider the relationships between the user and their orders.
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