Permanent objects and access methods

There are three basic types of access methods used to manipulate the permanent and temporary database objects -- Create, Scan, and Probe.

The following table lists each object and the access methods that can be performed against that object. The symbols shown in the table are the icons used by Visual Explain.

Table 1. Permanent object data access methods
Permanent objects	Scan operations	Probe operations
Table	Table scan	Table probe
Radix index	Radix index scan	Radix index probe
Encoded vector index	Encoded vector index symbol table scan	Encoded vector index probe