Identifying Records Repeating Within a Set Time Frame Since Their First Creation in SQL Using Self-Join Method

Optimizing SQL Queries by Avoiding Sub-Queries in the WHERE Clause and Using Window Functions

Solving SQL Query for Home Care Records with Specific Conditions and Calculations

Optimizing T-SQL Queries for Large-Scale Applications: A Step-by-Step Guide to Query Performance Issues and Solutions

Using Case Expression in Scalar Functions: A Revised Solution for SQL Server

Understanding Transactions and XACT_ABORT in SQL Server: Best Practices for Transaction Management and Error Handling.

5 Ways to Calculate Averages in SQL Server Stored Procedures with Conditional Calculations

Using the CASE Expression in SQL to Count Values

SQL Concatenation using Case Statement: A Comparative Analysis of Two Approaches

Designing Database Tables for Entities, Chapters, and Sections: A Comprehensive Guide to Relationships and Best Practices