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Oracle Golden Gate

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  • 1. An Overview of GoldenGate Replication Muhammad Qasim ORACLE
  • 2. OUTLINE
      • Introduction
      • Overview of GoldenGate
      • Overview of the DEMO
      • DEMO Scenarios
  • 3.
  • 4. GoldenGate Introduction
      • The GoldenGate replication utility provides flexible and powerful framework, for automatic propagation of data changes
      • This presentation will provide an overview of GoldenGate replication; and it will display some examples of actually using GoldenGate.
      • In order to provide examples of using GoldenGate, a DEMO environment, which uses GoldenGate, has been set up.
  • 5. Overview of GoldenGate Replication
      • GoldenGate replication consists of three basic utilities: “extract”,”replicat” and “data pump”. In addition all three of these utilities access “trail files”, which are flat files that contain formatted GoldenGate data.
      • An extract group mines a database’s redo logs; and writes information about the changes it find into trail files. Extract is functionally similar to the Streams “capture” process.
      • A replicat group reads information from trail files; and then writes those changes into database tables. Replicat is functionally similar to the Streams “apply” process.
      • A data pump group copies information between trail files. Data is functionally similar to Streams “propagate” process.
  • 6. Overview of the DEMO We have two 11g databases deployed in different environments. Source: Windows XP 32bit 11g release 2 Target: Linux x86 32bit 11g release 2 We will demonstrate two scenarios where data will be replicated from source to target.
  • 7.
      • Scenario 1: One-to-One Configuration using Direct Load Method
      • In this configuration, one Extract group sends captured data over
      • TCP/IP to a trail on the target system, where it is stored until
        • processed by one Replicat group.
      • Scenario 2: One-to-One Configuration using File to Replicate
      • This method uses an Extract process to extract source data into
        • flat files or trails on the target system.
      • The initial load Replicat task then moves the data from
        • the intermediate file to the target database.
    Demonstration Scenarios