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OCA: Oracle 10g™ Administration I: Study Guide by Matthew Weishan, Joseph C. Johnson, Bob Bryla, Chip Dawes

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11.1. Understanding Database Failure Types

There are six general categories for database-related failures. Understanding what category a failure belongs in will help you to more quickly understand the nature of the recovery effort you need to use to reverse the effects of the failure and maintain a high level of availability and performance in your database. The six general categories of failures are as follows:

Statement A single database operation fails, such as a DML (Data Manipulation Language) statement— INSERT, UPDATE, and so on.

User process A single database connection fails.

Network A network component between the client and the database server fails, and the session is disconnected from the database.

User error An error message is ...

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