| Package Name (example) | Size (approx) | Content | Required For | |------------------------|---------------|---------|---------------| | instantclient-basic-windows.x64-19.19.0.0.0dbru.zip | 130 MB | Core OCI, OCCI, JDBC-OCI, SQL*Plus, basic networking | | | instantclient-sdk-windows.x64-19.19.0.0.0dbru.zip | 20 MB | Header files, oci.h , demos | C/C++ development | | instantclient-odbc-windows.x64-19.19.0.0.0dbru.zip | 5 MB | ODBC driver & configuration utility | ODBC applications (Excel, Power BI) | | instantclient-tools-windows.x64-19.19.0.0.0dbru.zip | 15 MB | Data pump (expdp/impdp), SQL Loader, TKPROF | DBA tasks | | instantclient-jdbc-windows.x64-19.19.0.0.0dbru.zip | 2 MB | ojdbc8.jar , ucp.jar | Pure Java applications (often separate) |
Expected: SQL*Plus prompt. If error ORA-12154: TNS could not resolve connect identifier , check TNS_ADMIN and tnsnames.ora . Oracle 19c Instant Client Download For Windows 64 Bit
Oracle Instant Client Downloads for Microsoft Windows (64-bit) | Package Name (example) | Size (approx) |
Click on (or the latest 19.x.x.x.xdbru). instantclient_19_19\ ├── adrci
instantclient_19_19\ ├── adrci.exe ├── genezi.exe ├── oci.dll ├── ocijdbc19.dll ├── oracore19.dll ├── sqlplus.exe <-- interactive SQL ├── tnsping.exe ├── network\admin\ <-- tnsnames.ora location (empty by default) ├── ojdbc8.jar ├── xstreams.jar └── ...
There are several benefits to using Oracle 19c Instant Client:
Once the download is complete, follow these steps to install Oracle 19c Instant Client: