O'Reilly logo

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

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

11.3. Summary

Understanding the types of failures that can occur in the database is critical to deciding the type of action required to recover from the failure. We reviewed the six types of failures in a database: statement, user process, network, user errors, instance, and media.

In addition to knowing how an instance fails, you also need to know what is required to keep a database up and running: all control files, at least one member of each redo log group, and all datafiles for the SYSTEM and UNDO tablespaces. For instance failures, you want to know how long the database will take to recover. Starting with Oracle9i, you can use the initialization parameter FAST_START_MTTR_TARGET to specify the target recovery time, making it easier to meet ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required