| Oracle DB Version | Recommended Instant Client Version | |------------------|-------------------------------------| | 19c / 21c | 21.x or 19.x | | 12c / 18c | 18.x or 12.2 | | 11g | 11.2 (old; requires support) |
Oracle Client is a software component that allows a Windows machine to connect to an Oracle database server. It provides a set of libraries and tools that enable applications to interact with the Oracle database.