Tag: GROUP BY

• SQL query returning incorrect sum due to missing join condition in MySQL 8.0
• MySQL query using COALESCE() with multiple JOINs returns unexpected NULLs
• SQLite: Getting NULL Values Instead of Expected Aggregates with GROUP BY and HAVING Clauses
• MySQL 5.7: Unexpected results when using subqueries in SELECT statements with GROUP BY
• SQLite: advanced patterns with GROUP BY and string concatenation in a subquery
• MySQL query with GROUP BY and HAVING clause not filtering as expected when using aggregated functions
• MySQL: Strange Behavior with GROUP BY on JSON Columns in MySQL 8.0
• MySQL query with GROUP BY and ORDER BY giving incorrect row ordering
• advanced patterns with MySQL JSON_ARRAY in GROUP BY Clause
• MySQL 8.0: Unexpected Results with JSON_ARRAYAGG when Grouping by Multiple Columns