Navicat connection error – Oracle library is not loaded
Error reason: OCI. Of Navicat installation package There is a problem with the DLL
Solution: Download instantclient basic windows on the official website of Oracle x64-11.2.0.4.0.zip
Note that the version should be the same as Navicat –> Tools –> Options –> Environment –> OCI environment –> oci. The version information in the address of DLL is consistent
Finally, restart Navicat