Oracle is a common relational database management system. Oracle needs to run on a specific operating system, such as Linux, Windows, etc. You need to start Oracle before using it and shut it down when you do not need to use it. This article will introduce how to start and shut down the Oracle database.
1. Start the Oracle database
- Find the Oracle home directory
Before starting the Oracle database, you need to find the Oracle home directory. This home directory is often called Oracle Home. In a Windows environment, the Oracle Home path is usually "C:\app\oracle\product\version number\dbhome_1".
- Open the "Command Prompt"
In Windows systems, you can open the "Command Prompt" to start the Oracle database. There are many ways to open the "Command Prompt", the simplest method is to press the Win R key and then enter the "cmd" command.
- Enter the Oracle Home directory
Enter the following command in the "Command Prompt":
cd C:\app\oracle\product\版本号\dbhome_1\bin
This command will enter the bin in the Oracle Home directory folder.
- Start Oracle Database
Enter the following command in the "Command Prompt":
sqlplus /nolog
This command will start SQL*Plus, which is Oracle A command line interface for the database.
Next, enter the following command to connect to the Oracle database:
connect sysdba
This command will connect to the Oracle database and gain system administrator privileges. Next, enter the following command to start the Oracle database:
startup
At this time, the Oracle database has been started successfully.
- Test whether the startup is successful
You can enter the following command in the command prompt to test whether the Oracle database has started successfully:
sqlplus / as sysdba
This command will Connect to the Oracle database. If the connection is successful, it means that the Oracle database has been started successfully.
2. Close the Oracle database
You need to close the Oracle database when you do not need to use it. The following are the steps to close the Oracle database:
- Open the "Command Prompt" The symbol "
is the same as starting the Oracle database. Closing the Oracle database also requires opening the "Command Prompt".
- Enter the Oracle Home directory
Enter the following command in the "Command Prompt":
cd C:\app\oracle\product\版本号\dbhome_1\bin
This command will enter the bin in the Oracle Home directory folder.
- Close the Oracle database
Enter the following command in the "Command Prompt":
sqlplus /nolog
This command will start SQL*Plus, which is Oracle A command line interface for the database.
Next, enter the following command to connect to the Oracle database:
connect sysdba
This command will connect to the Oracle database and gain system administrator privileges. Next, enter the following command to shut down the Oracle database:
shutdown
After executing this command, the Oracle database will be shut down.
- Test whether the shutdown is successful
You can enter the following command in the command prompt to test whether the Oracle database has been successfully shut down:
sqlplus / as sysdba
This command will Connect to the Oracle database. If the connection fails, it means that the Oracle database has been closed successfully.
Summary
The above are the detailed steps for starting and shutting down the Oracle database. The commands to start and shut down the Oracle database are relatively simple, but it should be noted that you must follow the correct steps to ensure the smooth startup and shutdown of the database. At the same time, when using Oracle database, you need to pay attention to data backup and recovery work to avoid unnecessary trouble caused by data loss.
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