Oracle 10g New Features

The G stands for Grid Computing. A common missconception seems to be that grid is just the new name for RAC (having improved RAC) This is not the case. 10g comes with both RAC and grid. One will be able to install 10g with RAC only, with grid only, without either and with both. There is a profound difference between grid and RAC. 10g is said to have 149 new features. 10g provides a wealth of features that can be used to automate almost every aspect of its database administration. It is important to note that these automation features are optional, and they are not intended to replace standard DBA activities. Rather, the Oracle10g automation features are aimed at shops that do not have the manpower or expertise to manually perform the tasks.

Oracle Enhancements by Oracle Release
New Utilities in Oracle10g release 10.1.0:
• Oracle10g Grid – RAC enhanced for Oracle10g dynamic scalability with server blades (extra-cost option)
• Completely reworked 10g Enterprise Manager (OEM)
• AWR and ASH tables incorporated into OEM Performance Pack and Diagnostic Pack options (extra-cost option)
• Automated Session History (ASH) materializes the Oracle Wait Interface over time (extra-cost option)
• Data Pump replaces imp utility with impdp
• Automatic Database Diagnostic Monitor (ADDM) (extra-cost option)
• Automatic Storage Management (ASM) introduced Stripe And Mirror Everywhere (SAME) standard
• Automatic Workload Repository (AWR) replaces STATSPACK (extra-cost option)
• SQLTuning Advisor
• SQLAccess Advisor
• Rolling database upgrades (using Oracle10g RAC)
• dbms_scheduler package replaces dbms_job for scheduling
• Set Database Default Tablespace syntax
• Rename Tablespace command
• Introduced RECYCLEBIN command for storing objects before they are dropped. Required new PURGE command for maintenance.
• sqlplus / as sysdba accessibility without quote marks
• SYSAUX tablespace
• Multiple Temporary Tablespaces supported to reduce stress on sorting in TEMP
• RMAN introduces compression for backups
• New drop database syntax
• New alter database begin backup syntax and alter database end backup. You don't need to specify the tablespaces one by one!!
• Oracle10g Data Guard Broker introduced
• Oracle10g RAC supports secure Redo Log transport
• Flashback enhancements for flashback database and flashback table syntax
• SQL Apply feature
• Cross Platform Transportable Tablespaces
• External Table unload utility
• SQL Regular Expression Support with the evaluate syntax
• New ROW TIMESTAMP column
• Automatic Database Tuning of Checkpoints, Undo Segments and shared memory
• Automated invoking of dbms_stats for CBO statistics collection
• Oracle Application Builder supports HTML DB
• Browser Based Data Workshop and SQL Workshop
• PL/SQL Compiler enhanced for compile-time Warnings in utl_mail and utl_compress

Click the Following Link for Full information Oracle 10g

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