Finding Best Match in Tree Given a Combination of Multiple Keys

Designing an Efficient Messaging System: A SQL Server Procedure for Retrieving Messages from Specific Chats

Converting a Row to Multiple Rows and Columns Based on String Values in One Column

Checking for Days that are Weekdays and Not Weekends Using SQL Date Functions

Extracting Multiple Strings from a Single Column in SQL Server Based on Multiple Matched Values

Advanced SQL Query Techniques: Finding Combinations with Minimum Sum

Displaying Users with Negative Response Followed by Positive in SQL Server

How to Aggregate Data in 5-Minute Intervals with SQL: A Step-by-Step Solution

Implementing Subset Checks with the EXCEPT Operator in SQL Server

Boolean Logic in SQL: Evaluating if a Value is Greater Than x