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Oracle® Database 2 Day DBA
10g Release 2 (10.2)

Part Number B14196-02
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Making Changes to the Database Storage Structure

The preconfigured database that you installed includes all of the database structures of a basic database. As the user base grows, you can expand existing database storage structures or create additional ones. For example, you might need to create additional tablespaces for users or applications, or you might want to create additional online redo log groups to expand the redo log capacity.

Oracle provides alerts, advisories, and monitoring pages to help you make decisions regarding database storage. These topics are discussed in Chapter 10, "Monitoring and Tuning the Database". Oracle lets you create your own alerts for other events that you want to monitor.

The Storage section links shown in "Storage Options" are links that you can use to make changes to the database storage structure. Other pages also contain links that enable you to perform specific actions that affect the database storage structure.

For example, the Maintenance page includes a Backup/Recovery Settings section. This section includes a link for changing the archiving mode of the database and creating archived redo log files (see "Configuring Your Database for Basic Backup and Recovery").

When you make changes to the storage structure of your database, these changes can be reflected in the data dictionary and in the control file. It is important to consider this fact in your backup and recovery strategy. This topic is discussed in Chapter 9, "Performing Backup and Recovery".