The database admin needs to understand techniques like table partitioning (Oracle), federated databases (SQL Server) or replication (MySQL) to enable a database to scale to large sizes while still ...

StartDate datetime2 GENERATED ALWAYS AS ROW START HIDDEN, EndDate datetime2 GENERATED ALWAYS AS ROW END HIDDEN, PERIOD FOR SYSTEM_TIME (StartDate, EndDate) ) WITH (SYSTEM_VERSIONING = ON ...

This example retrieves the rows from the SalesOrders table that were current at a specific time on Dec. 31: Select * From dbo.Orders FOR SYSTEM_TIME AS OF '2017-10-31 17:46:38.1500000' As is often the ...

In SQL Server, a function that returns a single value ... Consider this simple function: CREATE FUNCTION dbo.discount_price(@price DECIMAL(12,2), @discount DECIMAL(12,2)) RETURNS DECIMAL (12,2 ...