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Oracles High-Availability Vision:Whats New in Oracle Database 11g Release 2Juan LoaizaSenior Vice President, Oracle System Technology
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Oracle High Availability Architecture
1. Scale-Out & Low-Cost High-volume hardware All components active
2. Application Oriented Protect and recover application objects Enable online application changes
3. Integrated & Simple Availability integrated into all components Automated
4. Complete & Open Handles all planned and unplanned downtime Pluggable components
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Oracles Database HA
Server Failures
DataFailures
SystemChanges
AppChanges
UnplannedDowntime
PlannedDowntime
DataChanges
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Server Failures
DataFailures
SystemChanges
AppChanges
UnplannedDowntime
PlannedDowntime
Real ApplicationClusters (RAC)
Best-of-Breed Server ProtectionAt Lowest Cost
DataChanges
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Scale workloads across multiple low cost servers Consolidate into fewer servers and databases Runs all Oracle database applications Built-in HA
HR SALES ERP
Real Application Clusters
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A virtualized single instance database Omotion - live migration of instances
across servers Move services, then shutdown
transactional Built-in cluster failover for high availability
Better than OS level virtualization Rolling database patches Manage fewer Operating Systems
10 DBs on a node does not mean 10Operating Systems to manage
Rolling OS upgrades
New in 11.2RAC One NodeVirtualization Benefits for Oracle Databases
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DataCorruptions
StorageFailures
SiteFailures
HumanErrorsServer
Failures
DataFailures
SystemChanges
AppChanges
UnplannedDowntime
PlannedDowntime DataChanges
Best-of-Breed Data Failure ProtectionAt Lowest Cost
Flashback RMAN
Oracle SecureBackup ASM
Data Guard Streams
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0
20
40
60
80
Flashback revolutionizes error recovery View good data as of a past point-in-time Simply rewind data changes Time to correct error equals time to make error
Correction Time = Error Time + f(DB_SIZE)
Low impact, easy simple commands, no complex procedure Flashback Query, Table, Transaction, Database, Drop SQL> flashback database to ;
Enhancements in 11.2: Flashback database performance & monitoring optimizations Flashback archive support for schema evolution
R e c o v e r y
T i m
e
TraditionalRecovery
Flashback
Flashback TechnologiesError Detection & Correction
New in 11.2
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Oracle EnterpriseManager
RMAN
Data Files
Fast RecoveryArea
Tape Drive
Oracle SecureBackup Intrinsic knowledge of database
file formats and recoveryprocedures
Block validation Online block-level recovery Unused block compression Online, multi-streamed backup Native encryption
Recovery Manager (RMAN) managesDatabase Backup & Recovery
Cloud
Oracle Backup & RecoveryIntegrated Disk, Tape & Cloud Backup
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Backup compression: popular way to saveon storage
Multiple RMAN backup compression levels Choose between compression levels & backup
throughput [BASIC] | HIGH | MEDIUM | LOW
New in 11.2Multiple RMAN Compression LevelsMore Cost Savings
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Amazon S3
Oracle Secure Backup Cloud module: Backup databases to Amazon
Cloud Complements local disk and/or tape backup Eliminates IT management overhead of a disaster recovery site
Oracle Secure
Backup CloudModule
Database Files /Fast Recovery Area
RMAN
Compression / Encryption
Oracle Secure Backup Cloud ModuleOffsite Database Backups in the Cloud
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3 rd Party FSApplicationDatabase
ASMDisk
Group
ASM dynamic volume manager supports file systems ASM directly supports Clusterware files Cluster Repository, Voting Disk Built-in mirroring protects from disk failures Enables auto-repair from corrupt blocks using a valid mirror copy
Automatic Storage Management (ASM)Stores & Manages All Data
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Manage both database & file system data E.g.: Oracle & Application binaries, trace
files, alert logs, BFILEs, image files, etc. Clustered or local file system
Data stored in ASM Inherits all ASM manageability benefits
Online disk add/drop/rebalance Integrated mirroring Cross-platform
Read-Only Snapshots Up to 63 point-in-time space efficient
copies of file system Linux and Windows only in first release
Shared File System
New in 11.2ASM Cluster File SystemOracle Management of File System Data
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DataCorruptions
StorageFailures
SiteFailures
HumanErrorsServer
Failures
DataFailures
UnplannedDowntime
Active-Active AvailabilityMinimizing Downtime During Site Failures
Data Guard GoldenGate
Streams
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Network
Broker
ProductionDatabase
Logical Standby
SQL Apply
Open R/O with
Active Data Guard
TransformRedo to SQL
Physical Standby
DIGITAL DATA STORAGE
DIGITAL DATA STORAGE
Backup
Redo Apply
Sync or AsyncRedo Shipping
Boston
Chicago
Dallas
Open R/W for peripheral writes
Oracle Data GuardBest Disaster Recovery
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Active StandbyDatabase
PrimaryDatabase
Continuous redo shipping validation & apply
Automatically repair block corruptions online Primary repaired from standby and vice-versa
New in 11.2Oracle Active Data GuardAuto Block Protection
Read/WriteWorkload
Real-timeReporting
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Use Standby Database for testingand development
Eliminates cost of DR Justify full scale test and DR
environments by combining into one Preserves zero data loss while in
test/dev mode But no real time query or fast failover
Similar to storage snapshots, but: Provides DR at the same time Single copy of storage
Physical StandbyApply Logs
SnapshotStandby Perform
Testing
OpenDatabase
Back outChanges
Continuous Redo Shipping
New in 11.1Snapshot StandbyTest with Production Data Before Deployment
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Active StandbyDatabase
Automatically enforce service levels for standby queries
PrimaryDatabase
Read/WriteWorkload
Continuous redo shipping validation & apply
Query receives error if data delay exceeds SLA
Applications can redirect query to primary
New in 11.2Oracle Active Data GuardEnsure Service Levels for Query Latency
Real-timeReporting
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Additional Data Type support: Basic Table Compression
OLTP Table Compression SecureFiles
Without deduplication Online Table Redefinition Extended data type support for SDO_GEOMETRY (SQL Apply)
New in 11.2Additional Data Type SupportBoth Data Guard SQL Apply & Streams
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Critical Data Guard metrics reported on HA console
Comprehensive Data Guard MonitoringUsing Enterprise Manager 10g Release 5
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Apply1Capture
Apply2
RedoLogs
Non-OracleDatabase
Active-active databases with automaticconflict detection & optional resolution
Provides HA for custom apps whereupdate conflicts can be avoided or managed
Transparent
Gateway
Propagate
TargetDatabase
SourceDatabase
Oracle StreamsBuilt-in Oracle Database Replication Solution
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Extended Streams - XStream API for fast real-time access to changes in Oracle database Client attaches directly to Streams apply process using OCI/Java
Outbound server ( XStream Out ) Stream changes out of the Oracle database
Inbound server ( XStream In ) Stream changes from external
sources into an Oracle database
XStream
New in 11.2XStreamFast Real-Time Programmatic Access to Data Changes
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Performance optimizations of uni-directional Streams extendedto one-to-many
Faster transformations Statement DML Handlers
Up to 4x faster than procedural DML handlers New Declarative Transformation - Keep Columns
Extensive tuning throughout Streams
Improved JMS integration and faster Streams AdvancedQueuing
AQ dequeue is 30%-100% faster than previous releases
New in 11.2Better Streams Performance
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GoldenGate
Best-in-class leader in real-time data solutions Continuous Availability for heterogeneous
systems Real-time data access for Reporting Real-time data for BI, EPM, Exadata Zero-downtime migrations / upgrades to Oracle
Database and Applications
Over 400 customers with 4,000+ implementationsacross Fortune 500 companies: Financial Services,Communications, Healthcare, Public Sector, Retail &Utilities industries
Top 3 of 5 largest commercial banks Top 3 of 3 busiest ATM networks Top 7 of 10 financial data services companies Top 4 of 5 telecommunications providers Top 3 of 5 largest food & drug stores
Real-time information
Real-time Access
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GoldenGate is Oracles strategic replication solution Streams continues to be a supported Oracle Database feature Best Streams technology will be integrated into GoldenGate
GoldenGate and Streams
Oracle StreamsOracle GoldenGate
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GoldenGate and Data Guard
Information Distribution & Consolidation, Application Upgrades & Changes Use GoldenGate - heterogeneous, active-active, transformations, subsetting
Disaster Recovery / Data Protection / HA Simple Full Oracle Database Protection
Use Active Data Guard High-performance, simple, drop-in solution for HA and DR, readable at standby
Works for all apps and data types, including packaged apps that cant be changed Application desiring flexible HA, active-active, schema changes, platform changes
Use GoldenGate Avoid or manage active-active conflicts at application level
Combine the two for full database protection and information distribution
OracleActive
Data Guard
Oracle DB Primary Oracle DB Standby
HeterogeneousDistributedFully-activeSubsetReplicas
OracleGoldenGate
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Servers Add/Remove RAC nodes online No data movement needed
Storage Add/Remove ASM disks or arrays online Automatically rebalance after storage change
Clusterware, ASM Upgrade Oracle Clusterware and ASM (11g)
in an online manner
Database
Storage
Online ReconfigurationScaling on Demand
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Online Patching and Upgrades
Most one-off patches can be applied to a running Oracle instance Linux-x86, Solaris 10, HP-UX 11i [New in 11.2] Windows 32-bit and Windows 64-bit, AIX v6.1 [TL2 SP1]
More complex one-off patches can be deployed online using RAC
rolling patches (available 10 g onwards)
Database release/patchset upgrades, operating systemupgrades, platform migrations can be applied in rolling fashionusing Data Guard / GoldenGate / Streams
Data Center moves / SAN migration / Technology Refresh etc.can be done with minimal downtime using Data Guard /GoldenGate / Streams
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All index changes can be done online 11gR1 table is never locked during online index creation
Tables can be Reorganized & Redefined online Allows changing location, table type, partitioning, columns, column types Contents can be transformed as they are copied
SourceTable
UpdateTracking
TransformCopyTable
TransformUpdates
ResultTable
ContinuousQueries &Updates
StoreUpdates
Online Index & Table Redefinition
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Edition-based RedefinitionOverview
Enables online application patches and upgrades
Allows old and new version of application to co-existeven though schema is changed by new version
Capabilities primarily used by application developers
New in 11.2
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Maintains logical versions of changed databaseobjects, through:
Edition Editioning View Crossedition Trigger
PL/SQL code changes and view changes installedin the privacy of a new edition
New data changes made to newcolumns/tables not seen by old edition
Editioning view exposes a private
projection of a table into each edition Crossedition trigger propagates changes made by
old edition into new editions columns, or vice-versa
Pre-upgrade Edition
New in 11.2
Post-upgrade Edition
CrosseditionTriggers
Edition-based RedefinitionHow Does it Work?
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End-to-End Availability
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Sun Oracle Database Machine
2009 Oracle Corporation - Confidential 40
Grid is the architecture of the future Highest performance, lowest cost, incrementally scalable Redundant and Fault Tolerant
Sun Oracle Database Machine delivers the first and onlycomplete grid architecture for all data management needs
Exadata Storage Server Grid 14 High-performance storage
servers 5TB flash storage
Data is mirrored across storageservers
Oracle Database Server Grid 8 High-performance compute
servers
InfiniBand Network
40 Gb/sec fault-tolerant unifiedserver and storage network
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WAN
Protection from Server Failures Storage Failures Network Failures Site Failures
Real-time remote standby open for queries
Human error correction Database, table, row, transaction level
Online indexing and table redefinition Online patching and upgrades
RealApplication
Clusters
ASM
FastRecovery Area
ActiveData Guard
OracleSecureBackup
Database Technology Drives Availability
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Backup & Recovery Backup shows extreme performance and scalability using Exadata Full Database Backup to tape demonstrated at 7.8 TB/hr
! Limited by tape performance of 14 tape drives used in test Incremental backup to tape at 10% change rate: 70TB/hr Single RMAN backup channel runs full backup to disk at 2.5 TB/hr
Data Guard Full DR demonstrated with uncompressed loads over 2TB/hour Compressed tables reduce redo & net traffic enhancing Data Guard
5 TB/hour load rates with Data Guard into compressed tables 5 customers have implemented Data Guard on a Database Machine in
first year
Database Machine HA Metrics
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Oracle High Availability Architecture
1. Scale-Out & Low-Cost High-volume hardware All components active
2. Application Oriented
Protect and recover application objects Enable online application changes
3. Integrated & Simple Availability integrated into all components Automated
4. Complete & Open Handles all planned and unplanned downtime Pluggable components
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HA Sessions, Labs, & Demos by Oracle DevelopmentSunday , 11 October Hilton Hotel Imperial Ballroom B 3:45p Online Application Upgrade
Monday , 12 October Marriott Hotel Golden Gate B111:30a Introducing Oracle GoldenGate Products
Monday , 12 October Moscone South1:00p Oracles HA Vision: Whats New in 11.2, Room 1032:30p Oracle Streams : What's New in 11.2, Room 3014:00p Database 11g: Performance Innovations , Room 1035:30p Comparing Data Protection Solutions, Room 102
Tuesday , 13 October Moscone South11:30a Oracle Streams : Replication Made Easy, Room 30811:30a Backup & Recovery on the Database Machine, Room 30711:30a Next-Generation Database Grid Overview, Room 103 1:00p Oracle Data Guard: Whats New in 11.2, Room 104 2:30p GoldenGate and Streams - The Future, Room 270 2:30p Backup & Recovery Best Practices, Room 104 2:30p Single-Ins tance RAC, Room 300
4:00p Enterprise Manager HA Best Practices, Room 303
Tuesday , 13 October Marriott Hotel Golden Gate B1
11:30a GoldenGate Zero-Downtime Application Upgrades
1:00p GoldenGate Deep Dive: Architecture for Real-Time
Wednesday , 14 October Moscone South
10:15a Announcing OSB 10.3, Room 300
11:45a Active Data Guard, Room 103
5:00p Exadata Storage & Databas e Machine, Room 104
Thursday , 15 October Moscone South
9:00a Empowering Availabi lity for Apps, Room 300
12:00p Exadata Technical Deep Dive, Room 307
1:30p Zero-Downtime DB Maintenance, Room 103
Demos Moscone West DEMOGroundsMon & Tue 10:30a - 6:30p; Wed 9:15a - 5:15p
Maximum Availability Architecture (MAA), W-045
Oracle Streams : Replication & Advanced Queuing, W-043Oracle Active Data Guard, W-048
Oracle Secure Backup, W-044
Oracle Recovery Manager & Flashback, W-046
Oracle GoldenGate, 3709
Hands-on Labs Marriott Hotel Golden Gate B2Monday 11:30a-2:00p Oracle Active Data Guard, Parts I & II
Thursday 9:00a-11:30a Oracle Active Data Guard, Parts I & II
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Complete List of New HA FeaturesOracle Database 11g Release 2Oracle Database 11g Release 1
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Data Guard Active Data Guard:
Online block repair Query SLA
Primary with 30 standbys Parallel local & remote SYNC
transport Retrieve remaining redo from
primary before failover Improved client failover
Role-based services Broker support for ONS Support auto-client failover
for logical standby for JDBC,OCI, ODP.Net
No shutdown of RAC instancesin old standby for switchover
No shutdown moving from Max Availability to Max Protection
Comprehensive support for compressed redo transport
Data Guard (contd.) SQL Apply support of OLTP
Compression, SecureFiles,XA in RAC, OnlineRedefinition & Edition-basedRedefinition,SDO_GEOMETRY (EDS)
Use logical standby asStreams source
Streams
XStream IN & OUT Statement DML Handlers Better infrastructure to track
changes to table data New Declarative
Transformation: keep_columns Optimized one-to-many
propagation AQ: Improved JMS integration
& performance improvements Support of OLTP
Compression, SecureFiles,Online Redefinition
RAC Server pools RAC One Node Omotion
ASM
Cluster File System OCR & Voting Disk in ASM
Flashback
Flashback Database: better performance for direct loads
Flashback Database: enablewhile database is open
Flashback Database: better monitoring of progress
Flashback Transaction: trackforeign key dependency
Complete List of New HA FeaturesOracle Database 11g Release 2
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Online Patching & Upgrades
Edition-based Redefinitionusing Edition, Editioning Viewand Crossedition Trigger
Online Patching for Windows& AIX
RMAN
Multiple compression levels Target-less DUPLICATE Optimized checks for
DUPLICATE Expanded DUPLICATE
options Enhanced tablespace point-in-
time recovery usingtransportable tablespace andData Pump
Improved flexibility of SETNEWNAME
Faster transportable database
OSB 10.3
Server-less tape duplicationfor VTL using NDMP tapecopy
Better automation for tapevaulting
Support for IPv6 as well asIPv4
Supports LTO-4 tape driveencryption
Manages encryption keyseamlessly between native or LTO-4 encryption
More comprehensive backup /restore monitoring
Verification of tape device
configurations
Grid Control 10.2.0.5
HA Console MAA Advisor Minimal downtime ASM
migration & RAC conversion Streams dashboard and
improved monitoring of Streams
configurations. Database Clone from existingdatabase backups
Comprehensive OSBmanagement
OSB File SystemBackup/Restore and reports
Task based workflow for miningredo and archived logs
Complete List of New HA FeaturesOracle Database 11g Release 2
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Clusters Better performance, failover,
management Seamless integration with XA
and Microsoft TransactionServer
Optimized Cache Fusion
protocols
ASM Temporarily freeze I/O to
unresponsive storage andreplay writes when it returns
Rolling Upgrade for ASMinstances
Data Guard - Generic Snapshot standby Fast-Start Failover in secs Fast-Start Failover for
asynchronous mode Fast Redo Transport Redo Transport Compression
for gaps SYS user no longer required for
redo shipping Standby across Linux/Windows
on x86
Flashback
Flashback Transaction Flashback Data Archive
Data Guard SQL Apply Support XMLType data type
(CLOB) Support Transparent Data
Encryption (TDE) Apply performance improved
significantly
Support Fine Grained Auditing Support Virtual Private
Database
Data Guard Redo Apply Active Data Guard New parallel media recovery
doubles redo applyperformance
Fast Incremental Backup Better RMAN integration
Complete List of New HA FeaturesOracle Database 11g Release 1
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Upgrades Online patching Transient logical standby
Online Redefinition Fast add column with default
value Invisible Indexes prevent
premature use of newlycreated indexes
Online index build with NOpause to DML
No recompilation of dependentobjects
Easier to execute table DDLoperations online
Streams Support XMLType data type
(CLOB) Support Transparent Data
Encryption (TDE) Apply performance improved
significantly
Support AWR, ADDM, ASH Streams Performance Advisor Synchronous capture Table Data Comparison JMS/AQ performance
improvements
Backup & Recovery Data Recovery Advisor Intra-file parallel backup and
restore Faster backup compression Duplicate database over the
network
Integration with WindowsVolume Shadow CopyServices (VSS) API
Integrated protectionthrough ultra safe mode
Complete List of New HA FeaturesOracle Database 11g Release 1
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General Across the Platforms Event Marker Infrastructure Start Delivery as of CSN (Commit Sequence Number) for ef fic ient instantiation Enhanced Memory Management Deferred Apply Array Fetching to increase initial load performance
Oracle Additional data type support Spatial, IOTs, Sequences, clustered table, object table Support of Append hints (Apply only) Increased Oracle DDL text maximum size to 2MB
Filtering by User for more efficient loop detection and capture task type separation (e.g. batch vs OLTP) Expanded Support of ALO (Archive Log Only) mode for RAC environments
SQL Server SQL Server 2008 Delivery Capture of tables w ithout primary keys (SQL Server 2005)
DB2 LUW Support for Multi Dimensional Clustered Tables (MDC) Support for Materialized Query Tables (MQT)
NSK Support of HP Blades Support Primary Key Updates f rom Open Systems (e.g. Oracle to NSK)
Teradata Integration of Orac le GoldenGate Director w ith TMSM (Teradata Multi-System Manager) Support of Teradata v13 DDL replication Support for additional platforms: Solaris 10, SUSE 9/10 Full Unicode Support for Linux ODBC
Oracle GoldenGateKey Features in v10
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Oracle.com:http://www.oracle.com/ha
Oracle HA Customer Success Stories on OTN:http://www.oracle.com/technology/deploy/availability/htdocs/HA_CaseStudies.html
Maximum Availability Architecture (MAA):http://otn.oracle.com/goto/maa
MAA Assessment:http://www.oracle.com/goto/hasurvey
Resources
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AQ&Q U E S T I O N SA N S W E R S
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For More Information
search.oracle.com
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oracle.com
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