I'm designing a database for cataloging games as shown in the picture below.I have added on delete actions for the foreign key relationships between company and publisher/developers so if a ...

CREATE TABLE SalesHistory (SaleID int IDENTITY(1,1) NOT NULL, ProductID TINYINT, CustomerID INT, ... You can use cascading constraints in SQL Server to set related values to NULL, ...

A contrived example: Say we have two types of tools: hammers and wrenches. We have a list of work orders, and we want to track what tool was used for the ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

In this example, Transact-SQL will create a new table with all columns from the rows in "old_table" in which the last name starts with "Ja." Advertisement. Article continues below this ad.

SQL lets you use one command to quickly create a new table containing a subset of records from a larger table while working in Access. Sound complicated? It's not, as Mary Ann Richardson shows us.