确定Navicat的版本是32位还是64位的,下载对应的Oracle Instant Client(https://www.oracle.com/technetwork/database/database-technologies/instant-client/downloads/index.html),
这里以Oracle 12c为例子:
32: instantclient-basic-nt-12.2.0.1.0.zip
64: instantclient-basic-windows.x64-12.2.0.1.0.zip
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解压客户端程序:
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配置Navicat需要的OCI:
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测试连接: