PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...
Oracle Corp. engages in the provision of products and services that address aspects of corporate information technology environments, including applications and infrastructure technologies. It ...
booking_id INT PRIMARY KEY AUTO_INCREMENT, ...
NTILE(5) OVER (ORDER BY recency ASC) AS r_score, -- lower recency = better NTILE(5) OVER (ORDER BY frequency DESC) AS f_score, NTILE(5) OVER (ORDER BY monetary DESC) AS m_score WHEN r_score >= 4 AND f ...
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