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!