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Advanced SQL Queries: Subqueries, Unions, and Window Functions

Tutorial August 03, 2024
sql 

SELECT sale_id, employee_id, amount,
       LEAD(amount, 1) OVER (ORDER BY sale_id) AS next_sale
FROM sales;

Advanced SQL techniques like subqueries, unions, and window functions allow you to solve complex data challenges and gain deeper insights. Practice these concepts on real-world datasets to strengthen your SQL skills and become proficient in handling advanced query scenarios.

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