SQL Table Transposition: A Comprehensive Guide to Using Row_Number() and Conditional Aggregation

Securing Database Credentials with Variables: A Best Practice Guide for Creating Database Scoped Credentials Securely Using Variables for Username (Identity) and Password (Secret).

Extracting Last Element from JSON Array in Transact SQL Using OPENJSON and ROW_NUMBER

Understanding the T-SQL `ALL` in `CASE` Statement: A Comprehensive Guide

Understanding the Challenge of Inserting a Value from a Select Statement for a Non-Identity Column: Solutions for SQL Server and Oracle Databases

Improving Your SQL Queries: A Guide to Table Joins and Date Literals

Optimizing T-SQL Queries: A Deep Dive into Efficiency and Performance

Understanding String Trimming in SQL Server

Understanding Source Tables and Staging Tables: A Comparison of Approaches for Efficient Data Load and Integration in ETL Processes

Finding the Last Change Value: A Comprehensive Guide to Using LAG and LEAD in SQL Queries