

If you intend to co-locate optional Oracle configuration files such as tnsnames.ora, sqlnet.ora, ldap.ora, or oraaccess.xml with Instant Client, then create a subdirectory such as C:\oracle\instantclient_19_3\network\admin.Instant Client 12.1 requires the Visual Studio 2010 redistributable.

Instant Client 18 and 12.2 require the Visual Studio 2013 redistributable. Instant Client 19 requires the Visual Studio 2017 redistributable.

All installations require the Basic or Basic Light package. Download the appropriate Instant Client packages for your platform.For example, Oracle Call Interface 19, 18 and 12.2 can connect to Oracle Database 11.2 or later. See the Instant Client Home Page for more information about Instant Client packages.Ĭlient-server version interoperability is detailed in Doc ID 207303.1.
