How to create a database in oracle

Oracle is a widely used relational database management system and the first choice for enterprise-level application solutions. As the amount of enterprise data continues to increase, database management becomes particularly important. Therefore, it is necessary to master the creation methods and techniques of Oracle database.

This article will introduce you how to create a database in Oracle. The specific steps are as follows:

1. Install Oracle software

Before you start creating a database, you need to install Oracle software first. The installation process is relatively simple, you can just follow the prompts of the installation program. During the installation process, you need to pay attention to selecting the appropriate version and installation path.

2. Prepare the information required to create the database

Before creating the database, you need to prepare the following information:

• Database name: Create a new one Database name, the name cannot be repeated.
• Connection method: Select local connection or remote connection.
• Character set: Choose an appropriate character set to ensure the correctness of the data.
• Administrator username and password: Username and password used to manage the database.

3. Open the database creation wizard

After the Oracle installation is completed, start Oracle Enterprise Manager. Select "Data Management" - "Create Database" in the left navigation bar.

4. Configure database parameters

In the opened "Create Database Wizard", you need to select the "Custom Creation" mode. Then follow the prompts to set the parameters of the database. Usually includes the following content:

• Database type: Select Enterprise Edition or Standard Edition.
• Database configuration: Select single instance or RAC mode.
• Memory settings: Allocate appropriate memory space for the database.
• Storage settings: Configure storage parameters, including data files, log files, etc.
• Character set settings: Select a suitable character set.

5. Create database

After completing the setting of database parameters, click the "Next" button to enter the last step of creating the database. In this step, you need to set up the administrator username and password for the new database and the username and password for SYSDBA. Enter the information as prompted and click the "Next" button.

6. Complete Creation

On the "Confirm Creation" page, you can view the database information to be created, and then click the "Create" button to complete the creation of the database.

7. Start the database

After the database is successfully created, you need to start the database through Oracle Enterprise Manager. Find the newly created database and select the "Start" command in the "Action" drop-down menu. In the confirmation dialog box that pops up, click the "OK" button to start the database.

Summary:

The above are the steps to create a database in Oracle. Before creating a database, you need to prepare the necessary information and install Oracle software. During the creation process, you need to pay attention to character set settings, administrator account password, etc. Through the steps described in this article, you can easily create a new database in Oracle to provide strong data support for enterprise applications.

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