✨SQL set operators like INTERSECT and EXCEPT allow you to combine results from different SELECT statements.
🔍INTERSECT allows you to find common records between two result sets.
🚫EXCEPT allows you to find records in one result set that are not present in another result set.
📊Using set operators can be more performant than using subqueries for filtering data.
🔀You can use UNION, INTERSECT, and EXCEPT together to perform advanced set operations.
What are SQL set operators?
—SQL set operators are used to combine results from two or more SELECT statements.
What is the difference between INTERSECT and EXCEPT?
—INTERSECT finds common records between two result sets, while EXCEPT finds records in one result set that are not present in another result set.
Are set operators more performant than subqueries?
—Yes, set operators can be more performant than using subqueries for filtering data.
Can I use UNION, INTERSECT, and EXCEPT together?
—Yes, you can use these set operators together to perform advanced set operations.
Where can I learn more about SQL and database management?
—You can check out online resources and training programs offered by companies like Pragmatic Works to enhance your SQL and database management skills.
00:00In this video, we learn about SQL set operators like INTERSECT and EXCEPT.
02:04INTERSECT allows us to find common records between two result sets.
03:39EXCEPT allows us to find records in one result set that are not present in another result set.
06:01Using set operators can be more performant than using subqueries for filtering data.
