What is boolean logic in database queries?
An example of an AI chatbot conversation about boolean logic in database queries.
What is boolean logic in database queries?
Boolean logic in database queries refers to the use of logical operators like AND, OR, and NOT to filter data.
Can you give me an example of how to use AND and OR in a query?
Sure! For example, SELECT * FROM users WHERE age > 18 AND city = 'New York' retrieves users over 18 in New York.
What about using NOT? How does that work?
Using NOT, you can exclude certain results. For instance, SELECT * FROM users WHERE NOT city = 'Los Angeles' retrieves users not in Los Angeles.
Are there any best practices for using boolean logic in queries?
Yes, it's best to use parentheses to group conditions for clarity, and to avoid overly complex queries for better performance.
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