How to Group Duplicate Values Using json_agg() and Transform Output into Nested Array in PostgreSQL

SELECT DISTINCT ON (user_id, activity_type_id, EXTRACT(year FROM start_date_local))

Understanding PostgreSQL's Row Insertion Mechanism for Efficient Data Management

Conditional Statements Inside SQL Queries: Leveraging the Power of Postgres' CASE Statement

Generating Subquery as String to New Query in PostgreSQL

SQL Data Expansion: 3 Approaches to Add a Monthly Column to Your Dataset

Understanding the Limitations of COUNT and GROUP BY in SQL: Troubleshooting and Optimization Techniques

Understanding Postgres Query Logic: The Importance of Using Parentheses in Controlling Multiple Where Clauses

Converting Bytea Columns to Tables of Columns with Real Data in Postgres

Total Article Count per Day: A Corrected Approach to Handling Last Entries