Comprehensive 50+ SQL query problems. Explores relational query optimization, multi-level subqueries, Common Table Expressions, and materialization strategies for real-world data analysis.
What is the alex-waiganjo/Advanced-SQL-Deep-Dive GitHub project? Description: "Comprehensive 50+ SQL query problems. Explores relational query optimization, multi-level subqueries, Common Table Expressions, and materialization strategies for real-world data analysis.". Written in PLpgSQL. Explain what it does, its main use cases, key features, and who would benefit from using it.
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