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Monday, September 3, 2007

Oracle Database 11g:The Top New Features for DBAs and Developers

Database Replay


Explore Database Replay, the new tool that captures SQL statements and lets you replay them at will.


Partitioning


Learn about Referential, Internal, and Virtual Column partitioning; new sub-partitioning options; and more.

Schema Management


Add columns with a default value easily and explore invisible indexes, virtual columns, and read only tables.


SQL Performance Analyzer


Accurately assess the impact of rewriting of SQL statements and get suggested improvements.


SQL Access Advisor


Get advice about optimal table design based on actual use of the table, not just data.


Transaction Management


Get an introduction to Flashback Data Archive and explore EM's Log Miner interface.

SQL Plan Management


Learn how to baseline and compare optimizer plans and then choose the best one.


SQL Repair Advisor


Explore how to use SQL Repair Advisor to identify problematic SQL statements and gather diagnostic information.


Manageability Features


Explore automatic memory management, multicolumn statistics, online patching, and more features.


PL/SQL: Coding


Avoid unneeded invalidation during changes, track null exceptions, interchange cursors, and more.

Security

Learn about Tablespace Encryption, case-sensitive passwords, data masking, and other features.


Result Cache

Don't go to the database if data has not changed. Use result cache instead, both in SQL and PL/SQL.


Resiliency


Explore Automatic Health Monitor, Automatic Diagnostic Repository, and other new resiliency features.


SQL Operations: Pivot and Unpivot
Make creating pivot operation on tables a breeze using new keywords.


ASM Improvements


Learn about variable AU sizing, rolling upgrades, and node affinity in RAC environments, among other things.


SecureFiles


Explore next-generation LOBs: LOB encryption, compression, de-duplication, and asynchronicity.

Data Guard Improvements


Query the physical standby database in real time without shutting down recovery, just for starters.


PL/SQL: Performance

Explore in-lining of code, native compilation without C compiler, PLS timer, use of simple integer, and more.

RMAN Improvements


Explore Data Recovery Advisor, Virtual Private Catalog, parallel backup of the same datafile, and other features.


Other...

COPY command, Export/Imports, Data Pump improvements, PHP Connection Pooling, and more.


more information click here