Updating Dynamic Columns in SQL: A Step-by-Step Guide Using Unpivot

Transforming Hierarchical Data into Separate Columns Without Recursion Using Breadth-First Search Algorithm

Filtering Rows Based on a Parameter Provided by a Stored Procedure in SQL Server

Understanding Union and Inner Join Operations with Substring Manipulation

Calculating Percentage of NULLs per Index: A Deep Dive into Dynamic SQL

Splitting Input Parameters in Stored Procedures: A Guide to Using STRING_SPLIT

Transforming a Table with Column Names as Values for Phone Numbers

Split Column into Multiple Columns with Key-Value Pairs: A SQL Solution Using Oracle Functions

Combining Tables with NULL Values: A Deep Dive into Cross Joining and Union

Inserting Data into Multiple Related Tables in a Single Statement Using Dynamic SQL