Architecture

Architecture Overview Oracle Client architecture consists of:

• Oracle Call Interface (OCI)

• SQL*Plus Interface

• Oracle Net Services

• Client Libraries

• Character Set Support

Components

• Oracle Net: Network connectivity layer

• OCI Libraries: Core API libraries

• JDBC/ODBC: Database connectivity drivers

• Client Tools: SQL*Plus, Data Pump, etc.

• Character Sets: NLS support

Types of Client Installation

1. Instant Client

• Lightweight deployment

• Minimal footprint

• Basic connectivity

2. Full Client

• Complete feature set

• Development tools

• Administration utilities