Selecting the Right Number of Rows: A SQL Solution for Joined Tables with Conditional Filtering

Counting XML Nodes in T-SQL: A Comprehensive Guide

How to Aggregate Events by Year in SQL Server with Conditional SUM Statements

Create a New Column in SQL Based on Pattern Matching Using Left Join and First Value Function

Extracting Text Between \n Characters in SQL Server

Calculating Time Spent at Each Location Type: A Step-by-Step Guide on Splitting Date Ranges into Weeks for Line Charts

Optimizing SQL Queries for Dynamic Search Conditions

Working with Linked SQL Servers in R Using DPLYR: Mastering Schema and Table Names for Reliable Data Retrieval

Retrieving Server Roles and Database Roles in a Single Query: An Efficient Approach for SQL Server Administration

Concatenating Emails from Three Tables Using SQL Server's STUFF() Function