It is a SQL practice repository covering basics to advanced topics. It includes exercises on SELECT statements, WHERE clauses, GROUP BY, JOINS, window functions (OVER(), PARTITION BY), ROW_NUMBER(), ...
Practiced SQL String and Date Functions in MySQL, including UPPER, LOWER, CONCAT, SUBSTRING, REPLACE, TRIM, LTRIM, RTRIM, INSTR, LOCATE, LPAD, RPAD, CURDATE, NOW, DATE_ADD, DATE_SUB, DATEDIFF, and ...
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