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….
Tag: Advanced SQL Queries
Recursive Common Table Expressions (CTEs)
will improve the join performance within the recursive member of the CTE. (Continued in next message)Would you like me to continue with sections 5–8 to complete the full 3000+ word….
Advanced T-SQL Techniques
Advanced T-SQL Techniques: A Comprehensive Guide 1. Introduction to T-SQL Transact-SQL (T-SQL) is Microsoft’s proprietary extension of SQL (Structured Query Language) used in SQL Server for database management, querying, and….
Table-Valued Parameters
Table-Valued Parameters (TVPs) in SQL Server: A Comprehensive Guide Table-Valued Parameters (TVPs) are one of the most powerful features of SQL Server, allowing you to pass a table as a….
CROSS APPLY and OUTER APPLY
CROSS APPLY and OUTER APPLY in SQL Server: A Comprehensive Guide In SQL Server, CROSS APPLY and OUTER APPLY are operators that are used to join a table to a….