ORA-01017 on Test in the New/Select Database Connection dialog: SID vs service name and thin vs OCI for a credential-free XE check
Goal I want to validate a SQL Developer database integration without touching production credentials. My plan is to point the New/Select Database Connection dialog at a local Oracle XE instance with a throwaway low-privilege user and rely on the Test button, which performs a real login round-trip through the JDBC driver, to confirm reachability and authentic
sqldeveloper