How to open oracle

Oracle is an important relational database management system that is widely used in today's world. It is an efficient, reliable and scalable database developed by Oracle Corporation and is widely used in commercial applications, government agencies, financial services and various other fields.

In this article, we will introduce in detail how to open the Oracle database. Since Oracle is a very flexible database, it can run on multiple platforms. We will introduce how to open the Oracle database under Windows platform, Linux platform and Mac OS platform.

1. Open the Oracle database under Windows platform:

1. First, install the Oracle database on your computer and add the installation folder to the PATH environment variable.
2. Open the boot menu and enter "Oracle" in the search box, then double-click the "Oracle Database 11g Express Edition" application.
3. Enter the system administrator account and password you set in the pop-up window.
4. Click to Login".
5. Wait for the Oracle database interface to load, and you will see that the Oracle database has been successfully opened.

2. Open the Oracle database under the Linux platform:

1. Install the Oracle database on Linux.
2. Access the installation folder of the Oracle database and enter the command line interface of the database management system.
3. Enter the "./oracle" command to open the console window of the Oracle database.
4. Enter the oracle user and enter the command "sqlplus / as sysdba" to enter the Oracle database as a system administrator.
5. Enter the system administrator account and password you set, and then click Login.
6. Wait for the Oracle database interface to load, and you will see that the Oracle database has been successfully opened.

3. Open the Oracle database under the Mac OS platform:

1. Install the Oracle database on Mac OS.
2. Open the terminal application and enter the following command: sudo su oracle.
3. Enter the system administrator account and password you set.
4. Enter the following command: export ORACLE_SID = sid_name (where sid_name is the name of your Oracle database instance).
5. Enter the following command: sqlplus / as sysdba
6. Enter the system administrator account and password you set, and then click Login.
7. Wait for the Oracle database interface to load, and you will see that the Oracle database has been successfully opened.

To sum up, opening the Oracle database is relatively not difficult. The key is to choose different opening methods according to your operating system and enter the system as an administrator. Learning to open Oracle database is not only a prerequisite for using Oracle database, but also a necessary part of database management work.

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