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3 cards from this section. Quick, good the night before a test.
What SQL command is used to retrieve data from a database?
Think about the keyword often associated with data retrieval.
In a query, what clause would you use to filter results based on specific conditions?
It's the part of SQL that specifies filtering criteria.
What SQL command do you use to filter records?
Consider which keyword signifies conditions in a query.
True or False: A JOIN can only be used with two tables.
Recall if you can join more than two entities.
Imagine a situation where a user registration form inaccurately saves user data. Explain how you would use SQL to identify and fix this issue.
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.
Consider the relationships between the user and their orders.
5 more questions in this section. Enroll free to practise them all.
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