Conditional Aggregation in SQL: A Powerful Tool for Data Transformation

Understanding Multi-Query Queries: A Comprehensive Guide to Joins, Subqueries, and More

Batch Processing, Chunked Data Extraction, Optimized Parquet Export Strategies for Large-Scale SQL Server Applications

Resolving Duplicate Records in SQL Queries: A Comprehensive Guide to Window Functions and Table Joins

How to Create New Views by Joining Two Existing Views with Inner Join

Extracting Specific Characters from Variable Length Strings in SQL Server

Extracting Unique Values from a Table Using ROW_NUMBER() and Best Practices

Understanding SQL UNION and MERGE: How to Combine Datasets Efficiently

Retrieving the Latest Record for Each Customer: A Comparative Analysis of ROW_NUMBER() and Correlated Subqueries

Understanding SQL Server's TEXT Data Type and Its Limitations