Tag: JOIN

• 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: Unexpected results in JOIN when using a COALESCE function with NULL values in a LEFT JOIN
• PostgreSQL aggregate function with GROUP BY returning incorrect sums when using JOINs
• Unexpected results when querying with JOINs across large tables in PostgreSQL 13.3
• PostgreSQL query with multiple CTEs resulting in unexpected row duplication
• PostgreSQL query with CTE giving unexpected result when joining with aggregated data
• PostgreSQL - Unexpected NULLs Returned When Joining on Two Nested Queries
• PostgreSQL: Handling duplicate rows in a join query with DISTINCT optimization guide as expected