First, install Navicat
1, download the installation file: navicat11.0.17_premium_cs_x86.exe (32 bits)
2、Oracle 的 Instance Client：instantclient_19_3 （32位）
3, instantclient_19_3 decompression can be completed
4, navicat11.0.17_premium_cs_x86.exe After installation is complete, the configuration file oci.dll Navicat:
1) Open Navicat-> select Tools -> Options, enter the page;
2) Select oci-> Select instantclient_19_3-> file address oci.dll file placement, click OK.
3) Restart Navicat, to connect the test database, then you can have a successful connection.
Second, the connection to the database (oracle for example)
note:
navicat oracle database connection failed: can not load OCI DLL, 87
1 file obtained oci.dll
There are two ways:
1) If you already have on your computer oracle database installation, then you can directly use directory: oracle installation directory \ bin \ oci.dll;
2) The second way: Navicat according to official documents, only need to download the Oracle Instance Client can be. This package contains only some of the dll file (to note but look at the corresponding version) without having to install codecs can be.