DB2 Database objects overview

In DB2® for z/OS®, you use database objects, such as tables, table spaces, indexes, index spaces, keys, views, and databases to organize and access your data.

The brief descriptions here show how the structures fit into an overall view of DB2. The following figure shows how some DB2 structures contain others. To some extent, the notion of "containment" provides a hierarchy of structures.

Begin figure description. Relationship of database (with table spaces and index spaces) to storage groups. End figure description. — Figure 1. A hierarchy of DB2 structures

The DB2 structures from the most to the least inclusive are: