Retrieving Latest Date and Total Enrollments from Duplicated School Records

Inserting Values into a Column Based on Specific Conditions Using SQL and T-SQL

Understanding and Overcoming the Limitations of Dynamic SQL in T-SQL: A Practical Guide for Efficient Data Manipulation

Retrieving Top 1 Row per Group: A Flexible Approach to Data Analysis

Mastering SQL Joins and Subqueries: A Comprehensive Guide to Optimized Queries

Using While Loops and String Manipulation in T-SQL: A More Efficient Approach

Optimizing SQL Server Queries with Computed Persistent Columns and Indexes for Better Performance

Calculating Age at a Particular Time in the Past: A Comprehensive Guide to Approaches and Best Practices

Creating a Stored Procedure to Delete Records from Fact Tables Using a Parameterized Query

Understanding Table Variables and OPENQUERY: A Comprehensive Guide for Efficient Query Execution on Remote Servers