New
features include:
Automatic memory management
Provides automatic distribution of memory among SGA and PGA instance
components.
PL/SQL Function Result Cache in shared pool area
Improves performance in cases where PL/SQL functions use the same
parameters.
Chapter 3: Installing and Running Oracle
Although the standard installation and runtime operations of the Oracle database
remain essentially the same, a few Oracle Database 11g enhancements are covered in
this chapter:
Oracle Internet Directory
This product is now part of the Fusion Middleware product stack.
Automated memory management of SGA and PGA size
Enabled by default when you set the MEMORY_MANAGEMENT parameter.
Flashback transaction
Continues to expand the flashback capabilities of the Oracle database by giving
you the ability to reverse the effects of individual transactions.
Chapter 4: Data Structures
This chapter covers the basic data structures and optimization technology in the
Oracle database. New features include:
Virtual columns
These columns, defined as the results of an expression, are not stored in the
database, but are accessible to users with appropriate security clearance at
runtime.
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