Querying XML Data without Explicit Field Names: A Guide to XPath Expressions and SQL Server Functions

Understanding SQL Joins with Columns Having the Same Name

Converting Rows of One Table to JSON and Adding it to Another Table in PostgreSQL: A Practical Guide

Creating Unique Serial Numbers in PostgreSQL: A Step-by-Step Guide

Understanding Geocoding and Update Statements in Databases for Mapping Applications

Mastering String Regex Expressions in Redshift SQL: A Comprehensive Guide

Converting NVARCHAR Time to Decimal in SQL Server: A Comprehensive Guide

Avoiding the Problem of Duplicate Column Names When Working with CTEs in SQL Server

SQL Functions for Calculating Date Differences Between Current Date and Table Column Values

Querying a Self-Referential Comments Table to Find the Latest Replies from Each Group Member: A Step-by-Step Guide