CHAPTER 6Monitoring Space Usage
A good DBA has a toolset in place to monitor the database, both proactively monitoring various aspects of the database, such as transaction load, security enforcement, space management, and performance monitoring, and effectively reacting to any potentially disastrous system problems. Transaction management, performance tuning, memory management, and database security and auditing are covered in Chapters 7, 8, and 9. In this chapter, we'll address how a DBA can effectively and efficiently manage the disk space used by database objects in the different types of tablespaces: the SYSTEM tablespace, the SYSAUX tablespace, temporary tablespaces, undo tablespaces, and tablespaces of different sizes.
To reduce the amount ...
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