MSSQL-Part14: INNER JOIN with GROUP BY, HAVING clause | SQL Interview question for QA
#mssql #sqlforbeginners #sql
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INNER JOIN: Select/ Returns all records/rows that have only matching values in both tables.
Q: lists the employees that have registered more than 1 orders?
A: See the code from video
Notes:
• Having comes with Group By
• Having comes with aggregate functions (count, Avg, Min, Max) directly instead of WHERE condition
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