Your SID is incorrect. Verify if the database uses a Service Name instead of a SID . If you'd like to dive deeper, let me know: What version of Oracle are you running? Are you on Windows, macOS, or Linux ? Do you need to connect via TNSNames or a Wallet (Cloud) ?
The process for setting up a connection between DbVisualizer and an Oracle database is straightforward, but success depends on choosing the correct driver version for your specific environment. dbvisualizer oracle driver download
This means the .jar file path in the Driver Manager is broken. Relink the file. Your SID is incorrect
Comprehensive Guide: DbVisualizer Oracle Driver Download and Setup Are you on Windows, macOS, or Linux
The official source for Oracle drivers is the Oracle Technology Network (OTN). Avoid third-party mirrors to ensure security and compatibility. Oracle JDBC Driver Download Page
Enter your specific database instance identifier.
Check for a green checkmark next to the driver name. This indicates the driver is correctly loaded and ready for connections. 4. Connecting to Your Oracle Database