E

Emctl

The command-line utility used to stop and start the Oracle Management agent.

Enterprise Manager (EM) Database Control

The web-based GUI tool for managing Oracle environments.

extent management

Defines how free and used extents are managed in a tablespace.

extents

A group of contiguous data blocks allocated to a segment.

Extproc

The default name of the callout process that is used when executing external procedures from Oracle.