The term database objects is used to describe the various forms of data that can be added to a report. Specifically, Crystal Reports can use the following types of database objects as data sources for a report:
Tables or system tables
Database objects are listed underneath connections in the Data explorer and are grouped by object type. In Figure 1.8, the various database objects are shown for the Xtreme Sample Database. In this case, there are tables, views, system tables, and stored procedures. The Add Command node gives you the ability to add SQL commands to this report.