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Oracle Golden Gate

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    Oracle Golden Gate Oracle Golden Gate Presentation Transcript

    • An Overview of GoldenGate Replication Muhammad Qasim ORACLE
    • OUTLINE
        • Introduction
        • Overview of GoldenGate
        • Overview of the DEMO
        • DEMO Scenarios
        • INTRODUCTION
      GoldenGate
    • 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.
    • 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.
    • 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.
        • 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