If a database has been designed correctly, the data will be located in several different tables. For example, our golf database has separate tables for information about members, teams, and tournaments, as well as tables that connect these values; for example, which members play on which teams, enter which tournaments, and so on. To make the best use of our data, we will need to inspect values from different tables to retrieve the information we require.
In this chapter, we will look at retrieving information from a single table. The table may be one of the permanent ...
