Transforming Duplicate Rows with SQL Self-Joins and Data Modeling Techniques

Total Distinct Interruption Time Calculation for Each Project

Counting Continuous Occurrences of Data in SQL Server Using Window Functions and Subqueries

Filtering Records Based on Multiple Conditions in SQL Server 2014: A Step-by-Step Approach

SQL Script to Calculate Consecutive Leave Dates for Employees

Understanding the Fundamentals of SQL: Unraveling the Causes of a Common Error and Best Practices for Writing Effective Queries

SQL Time Difference Calculation with Weekend and Business Hours Exclusions

Executing Stored Procedures in SQL Server with Parameters from Excel Sheets: A Step-by-Step Guide

Joining onto the Same Table to Fix Incorrect Data: A Comprehensive Guide

Creating Custom Tables with JOINS: A Practical Guide for SQL Beginners