Tags / aggregate-functions
Reducing Rows in Results of Joined Query Using GROUP_CONCAT in MySQL
Optimizing Time Duration Data Retrieval Using GROUP_CONCAT in MySQL
Solving Duplicate Data in SQL Case Statements with MAX() Function
Mastering COUNT with Aggregate Operations in PostgreSQL for Advanced Data Analysis
How to Remove Matching Rows Between Aggregated and Non-Aggregated Columns Using CTEs
Understanding New Groups Added Each Month: SQL Query Analysis and Alternative Approaches