Solving the Gaps-and-Islands Problem in T-SQL: A Step-by-Step Guide

Understanding SQL Over Clause and Partitioning Strategies for Efficient Data Management

Calculating the General Average of a Student Using SQL Queries

Mastering OPENJSON() for Dynamic JSON Data Parsing in SQL Server

Conditional Aggregation in SQL: A Powerful Tool for Data Transformation

Working with JSON Data in SQL Server: A Comprehensive Guide

Running Second SELECT Statement Based on Result of First Statement Using CTEs

Returning Maximum Values with Efficient Database Queries: A Step-by-Step Guide

Calculating Total Sales by Rayon for Previous Year Using SQL Procedures

Understanding SQL Server and MySQL: A Comparative Analysis of Data Modeling for Database Development Success