Using Window Functions to Get the Last Fixed Price per Product from a Table in MySQL

Understanding Complex SQL Queries: Combining Multiple Operations in a Single Query

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

Achieving Record Positions in SQL: A Step-by-Step Guide Using SQLite, RANK(), ROW_NUMBER() Functions, and More

Understanding Load Attributes in Sequelize.js: Mastering Association Data Retrieval

Handling Minimum DATETIME Value from JOIN per Account

Conditional Insertion of Values in Hive with Join Operation

Understanding Hibernate's Table Creation: How to Create the category_article Table Automatically

Mastering SQL Aggregate Functions: A Deep Dive into SUM, MAX, and More

Calculating Free Time Between Consecutive Customers Using Self-Join with ROW_NUMBER()