GROUPING SETS, CUBE, and ROLLUP
 
is: This query will return the following results: SalesPerson Region SUM(Amount) John East 100 John West 150 Jane East 200 Jane West 250 John NULL 250 Jane NULL 450 NULL….
 
is: This query will return the following results: SalesPerson Region SUM(Amount) John East 100 John West 150 Jane East 200 Jane West 250 John NULL 250 Jane NULL 450 NULL….
 
Ranking Functions – ROW_NUMBER vs RANK SQL Server provides several built-in ranking functions to assign a unique rank to rows in a result set based on a specified order. Among….
 
Using SQL for Data Science: A Comprehensive Guide Introduction Structured Query Language (SQL) is a powerful tool used in data science for managing, querying, and analyzing structured data. Data scientists….