What are boolean operators in SQL?
An example of an AI chatbot conversation about boolean operators in SQL.
What are boolean operators in SQL?
Boolean operators in SQL are used to combine multiple conditions in a query. The main operators are AND, OR, and NOT.
Can you give me an example of using AND in a SQL query?
Sure! For example, SELECT * FROM employees WHERE department = 'Sales' AND salary > 50000; retrieves employees in Sales with a salary over 50,000.
What about using OR?
Using OR, you could write: SELECT * FROM employees WHERE department = 'Sales' OR department = 'Marketing'; This retrieves employees in either department.
How does NOT work in SQL?
The NOT operator negates a condition. For example, SELECT * FROM employees WHERE NOT department = 'HR'; retrieves employees not in the HR department.
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