Getting the First Row of Each Review with a Custom Left Join and Sorting on Multiple Columns Using SQLite CTE.

How to Create a Nested JSON Data Structure Using PostgreSQL's `json_object_agg` Function

Understanding Session Variables in PHP: A Solution for Persistent Data Storage

How to Generate Monthly Reports for SQL Queries Using Date Functions and Conditional Counting

Understanding Unique Constraint Violations Despite Correct Implementation with Hibernate and Oracle Database

Retrieving the Most Liked Photo in a Complex Database Schema

Converting Time Strings to Timestamps in SQL: A Comprehensive Guide

Counting Business Days Between Two Dates in Amazon Athena Using SQL Queries

Understanding Dynamic Tables with NHibernate: Best Practices for Adapting to Changing Requirements

Optimizing Image Storage and Retrieval from SQL Databases for High Performance