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How does Instant Client interact with an existing ORACLE_HOME-based client installation?

April 26, 2017client existing installation Instant interact

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How does Instant Client interact with an existing ORACLE_HOME-based client installation?

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If you already have Oracle Client installed on your machine, then we recommend: 1. Do NOT unzip or copy the Instant Client libraries to either of ORACLE_HOME/lib or ORACLE_HOME/bin directories, to avoid overwriting files and leaving the installation in an inconsistent state. In general, we recommend putting the Instant Client libraries into a separate clean directory. 2. Do NOT put both the Instant Client directory AND the Oracle Client directory in the Library Path, regardless of ordering. Please use either one or the other in the Library Path (LD_LIBRARY_PATH or PATH, depending on platform), but not both, based on the version you wish to use.