Identifying Consecutive Dates by Customer with Same Line and Company in SQL: A Step-by-Step Guide to Calculating Duration and Total Spending

Understanding Numeric Formatting in T-SQL: A Comprehensive Guide

Pivot Table by Datediff: A SQL Performance Optimization Guide

How to Calculate Running Total of "Due" Jobs in SQL Server 2012: Recursive Queries and Cursors Compared

Understanding SQL Server Column Default Values: Best Practices for Specifying Default Values in SQL Server

Using LAG for Data Analysis: When to Use and How to Solve Common Issues with Window Functions in SQL Server.

Handling Duplicate Rows with Recursive Common Table Expressions in MSSQL

Calculating Development Column from Previous Two Columns in SQL Using Window Functions and Conditional Aggregation

Grouping SQL Data into Half Hours

Understanding SQL Server's Behavior When Using the IN Clause with Non-Existent Columns