An expression is a specification of how to calculate a value. An expression can be evaluated to the resulting value. Example of an atomic expression: "The value 42." It evaluates to 42. Example of a ...

You can get valuable business insights by defining and querying hierarchically related data. The hierarchical modelling and visualization capabilities give you a number of benefits: View and explore ...

Part of the SQL Server 2022 blog series. Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database ...