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Oracle Database Architecture

Oracle Database Architecture. By Ayesha Manzer. Automatic Storage Management. Spreads database data across all disks Creates and maintains a storage grid Provides the highest I/O throughput with minimal management costs

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Oracle Database Architecture

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  1. Oracle Database Architecture By Ayesha Manzer

  2. Automatic Storage Management Spreads database data across all disks Creates and maintains a storage grid Provides the highest I/O throughput with minimal management costs As disks are added or dropped, ASM redistributes the data automatically.

  3. Real Application Clusters Integrated clusterware: functionality for cluster connectivity, messaging and locking, cluster control, and recovery Automatic workload management: Rules can be defined to automatically allocate processing resources to each service both during normal operations and in response to failures

  4. RAC cont. Automatic event notification to the mid-tier: When a cluster configuration changes, the mid-tier can immediately adapt to instance failover or availability of a new instance. This enables end users to continue working in the event of instance failover without the delays typically caused by network timeouts.

  5. Oracle Streams Provides a unified framework for information sharing, combining message queuing, data replication, event notification, data warehouse loading and publishing and subscribing functionality into a single technology.

  6. Enterprise Manager Grid Control Manages gridwide operations that include managing the entire stack of software, provisioning users, cloning databases, and managing patches Grid control views the performance and availability of the grid infrastructure as a unified whole rather than as isolated storage units, databases, and application servers.

  7. QUESTIONS ?

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