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By Francisco Munoz Alvarez
Oracle 11GNew Functionalities for DBAs
OK,are you from?
Born here Grow up here
Got Married HereMature
here Now Living here
ORACLE 11GIMPROVEMENTS
RAC 70% Faster
Query Results Caching
25% Faster
More DetailsMore Improvements
STREAMS 30%-50% Faster
Optimizer Stats Collection10X Faster
Oracle Secure Files5X Faster than normal
filesystems.
Table Scans2.5 X Faster using
Advance Compression
Need More?More Improvements
“it enables read-only access to a
physical standby database for queries, sorting, reporting, web-based access, while continuously
keep applying all changes received
from the primary database.”
ACTIVE DATA GUARD11G NEW FUNCTIONALITIES
“Compresses any type of data
(structured and unstructured data), as well as network traffic, memory
utilization and inclusive the amount of data in the process of being
backed up”
ADVANCED COMPRESSION11G NEW FUNCTIONALITIES
• OLTP compression – It allows structured and unstructured datato be compressed on INSERT, UPDATE and DELETE operations.
• RMAN Backup Compression - Compress RMAN backups.• Datapump export compression - Compress datapump export
files.• SecureFiles Deduplication - Detect and eliminate duplicate
copies of files stored within the database.• SecureFiles Compression - Compress unstructured file data
within the database.• Network Traffic Compression - Compress Data Guard redo data
as it is sent over the network.
Compressions
Available
11G NEW FUNCTIONALITIES
OLTP CompressionWhen Loading Data
OLTP CompressionWhen Reading
OLTP CompressionWhen Inserting (Part II)
ADVANCED COMPRESSION11G NEW FUNCTIONALITIES
“allows businesses to quickly
adopt new technologies while eliminating the risks
associated with any change “
RATReal Application Testing
“it combines a workload capture and
replay feature with an SQL performance analyser to help you to
test the changes against real-life workloads, then it will help you to
fine-tune them before putting them into production”
“ Indexes that are ignored by the
optimizer. Handy for testing without dropping “
INVISIBLE INDEXES11G NEW FUNCTIONALITIES
“Active Database Duplication”
“Virtual Private Catalog and Import Catalog”
“Recovery Advisor”
RMAN> LIST FAILURE; RMAN> ADVISE FAILURE;RMAN> REPAIR FAILURE;
<PREVIEW><NOPROMPT>
RMANWhat is New
“Tablespace Point in Time Recovery”
“Multi Section Backups”
“Duration”
Backup duration 00:30 database;<minimize time><minimize load>
RMANSome more cool stuff
“Backup Failover to Non-Flash Recovery
Areas”“Archival Backup”
“Validate Database”
Any time this command detects a database failure, it initiates a
failure assessment and logs the failure in the ADR.
RMANSome more stuff
“ Configure the DB_ULTRA_SAFE initialization parameter on both the primary and standby systems for the most comprehensive data corruption
prevention and detection.“
DB_ULTRA_SAFE11G NEW FUNCTIONALITIES
DB_ULTRA_SAFEIn the Primary DB
DB_ULTRA_SAFEIn the Standby
“Read Only Tables”
“Health Monitor”
“Virtual Columns”
purely expression-based and aren't stored on-disk
“Edition Based Redefinition”
Enables you to upgrade the database component of an
application while it is in use, thereby minimizing or eliminating
down time.
Other Important StuffIn Oracle 11G
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Thank You!
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