Table of Contents Table of Contents Title and Copyright Information Preface Audience Documentation Accessibility Typographic Conventions 1 Overview of Oracle Instant Client Installation Installation Considerations About Oracle Instant Client Oracle Instant Client and Oracle Database Interoperability Unsupported Features and Components 2 Oracle Instant Client Preinstallation Tasks Check the System Architecture Disk Space Requirements Checking the Software Requirements for Apple macOS (ARM64) Oracle Instant Client Basic Light Character Sets 3 Installing and Removing Oracle Instant Client Installing Notarized Oracle Instant Client Software DMG Files Removing the Oracle Instant Client Software 4 Oracle Instant Client Postinstallation Tasks Using Oracle Instant Client Configuring Pro*C/C++ Connecting Oracle Instant Client to Oracle Database Setting the NLS_LANG Environment Variable Updating Oracle Instant Client