Calculating Total Visits within a Year from the First Visit Date Using CTEs and INNER JOINs in SQL

Evaluating Boolean Expressions in SQL Server Stored Procedures: A Comprehensive Guide

Splitting Strings by Space and Hyphen in SQL Server: A Comprehensive Guide

Fixing XML Parsing Issues in SQL Server: A Solution Overview

Understanding How to Generate Additional Columns Based on Dates Using SQL Server

Joining Queries as New Columns: Simplifying Data Manipulation with Derived Tables

Finding Missing Processes in a Database Table: A Comparison of SQL Query Approaches

Recursive SQL Query to Extract Related Tasks from Hierarchical Data

Handling Duplicate Columns with SQL: A Step-by-Step Guide to Grouping and Aggregation

Using Common Table Expressions (CTEs) to Simplify String Concatenation in SQL Server Queries