How to start the Oracle database?

2 years ago
Noah Thompson
1 minute

There are several ways to start Oracle database:

  1. To start using the graphical interface, navigate to the “Start Database” or a similar shortcut in the Oracle installation directory. Double click to open the graphical interface, choose the database instance you want to start, and click the start button.
  2. To start using the command line: Open a command line window and type the following command to start the database instance.
  3. Open sqlplus as the system administrator and start up the database.
  4. The database will be started using the default database instance name and administrator account (SYS).
  5. To start the service: In Windows systems, Oracle databases typically create a service that can be started in the service manager. Open the service manager (via the control panel or by entering “services.msc” in the command line), locate the corresponding Oracle service, and start it.

Ensure that the ORACLE_HOME and ORACLE_SID environment variables are correctly set, regardless of how the Oracle database is started, so that the database can accurately locate the installation directory and database instance.

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