Mastering String Aggregation in SQL Server: A Comprehensive Guide to Merging Data Using STRING_AGG

Rollup Not Aggregating as Expected: A Deep Dive into Join Conditions and Aggregate Functions

How to Validate Sample Data Against a Table Using a Stored Procedure and Recursive CTE in SQL Server

Identifying Changes in Table Values Within a Specific Time Window Using Conditional Logic and Date Arithmetic

Mastering SQL Aliases: A Guide to Compatibility and Best Practices

Pulling Previous Month Data from SQL Server 2016 Using the LAG Function

SQL Query to Retrieve First and Last Dates in a Date Range from a Table

Optimize Table Matches Based on Count of Matches

Using Conditional Aggregation to Sum Amounts from Raw Data with Specific Labels

Compressing PDF to ZIP and Saving in a Table Inside SQL: A Comprehensive Guide