Oracle is a popular relational database management system that is widely used in enterprise-level applications, data warehouses and large-scale data processing systems. During the process of Oracle database maintenance and management, it is sometimes necessary to shut down the Oracle database. There are many ways to shut down the Oracle database. This article will introduce the three commonly used shutdown methods in detail.
Method 1: Use the SQL*Plus tool to close the Oracle database
SQLPlus is Oracle’s standard command line tool. It can connect to the Oracle database and Execute SQL statements. You can use SQLPlus to close the Oracle database. The specific steps are as follows:
1. Enter the following command in the command line and press Enter to log in to the Oracle database: sqlplus / as sysdba
2. Enter the following command at the command line where you execute the SQL command, and press Enter to shut down the Oracle database: shutdown immediate;
3. Wait for a while until the system responds with the message that the database has been shut down, and then execute The following command exits the SQL*Plus tool: exit;
Method 2: Use Oracle Enterprise Manager to shut down the Oracle database
Oracle Enterprise Manager is a powerful database management tool provided by Oracle. It can be Graphical user interface (GUI) for operation. You can easily shut down the Oracle database using Oracle Enterprise Manager. The specific steps are as follows:
1. Open Oracle Enterprise Manager.
2. Select "Target" > "Database" in the navigation bar on the left.
3. Select the database you want to close in the "Database" page and click its name.
4. Under the "Summary" tab on the right, click the "Close" button.
5. In the pop-up "Close" dialog box, select the type of shutdown operation to be performed, and then click the "OK" button.
Method 3: Use Oracle DBCA to shut down the Oracle database
Oracle DBCA is Oracle's standard database configuration tool, which can be operated through the graphical user interface (GUI). Authentication requiring passwords and usernames can be performed using Oracle DBCA. Closing the Oracle database can also be achieved through Oracle DBCA. The specific steps are as follows:
1. Open Oracle DBCA.
2. Select the option to close the Oracle database in the main interface and click the "Next" button.
3. On the "System Preparation" page, select the database instance to be shut down and click the "Next" button.
4. On the "Confirm Shutdown" page, select the type of shutdown operation you want to perform, and then click the "Next" button.
5. On the "Close Progress" page, wait for the program to complete the process and click the "Finish" button.
Summary
The above three methods are common ways to shut down the Oracle database. Different methods can be selected according to different needs. Using SQL*Plus to shut down the Oracle database can be simple and convenient through command operations; using Oracle Enterprise Manager to shut down the Oracle database through graphical operations; using Oracle DBCA to safely shut down the database, and operate the database through the main interface of the configuration tool. More suitable for database administrators. No matter which method is used to shut down the Oracle database, be sure to back up data and log files to ensure data security and integrity.
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