database-instance – CodeRavo

Understanding Oracle SIDs and Service Names

Oracle databases use two important identifiers: SID (System Identifier) and Service Name. While they are related, … Understanding Oracle SIDs and Service NamesRead more

database-instance, high-availability, listener-ora, load-balancing, oracle, service-name, sid, tnsnames-ora

Troubleshooting ORA-01034 and ORA-27101 Errors in Oracle Database Connections

Introduction When working with Oracle databases, encountering errors such as ORA-01034: ORACLE not available and ORA-27101: … Troubleshooting ORA-01034 and ORA-27101 Errors in Oracle Database ConnectionsRead more

database-instance, Environment Variables, listener-configuration, ora-01034, ora-27101, Oracle Database, sql-plus