How do boolean values work in database queries?
Boolean values represent true or false conditions in database queries, allowing for filtering and logical operations.
Can you give me an example of a query using boolean values?
Sure! A simple example is: SELECT * FROM users WHERE is_active = TRUE;
This retrieves all active users.
What about using boolean operators like AND and OR?
You can combine conditions, like: SELECT * FROM users WHERE is_active = TRUE AND age > 18;
This finds active users over 18.
Are there any differences in how different databases handle boolean values?
Yes, some databases use 1/0 for true/false, while others use keywords like TRUE/FALSE. Always check the documentation!
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