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  • PowerExchange for CDC and Mainframe 10.2
  • All Products

Table of Contents

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  1. Preface
  2. Part 1: PowerExchange CDC Introduction
  3. Part 2: PowerExchange CDC Components
  4. Part 3: PowerExchange CDC Data Sources
  5. Part 4: Change Data Extraction
  6. Part 5: Monitoring and Tuning
  7. Appendix A: DTL__CAPXTIMESTAMP Time Stamps

CDC Guide for Linux, UNIX, and Windows

CDC Guide for Linux, UNIX, and Windows

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PowerExchange Express CDC for Oracle Restrictions

PowerExchange Express CDC for Oracle Restrictions

The following restrictions apply to PowerExchange Express CDC for Oracle:
  • PowerExchange Express CDC for Oracle does not support the following Oracle environments, objects, and features:
    • Any type of encryption of tablespaces other than Oracle Advanced Security Transparent Data Encryption (TDE) of tablespaces.
    • Tables in a sorted hash clusters
    • Columns that use TDE
    • Virtual columns, which contain derived data that Oracle does not log in the redo logs
    • Columns that have unsupported datatypes
      Because you cannot include these columns in capture registrations, PowerExchange Express CDC for Oracle does not capture change data for them. However, PowerExchange Express CDC for Oracle can capture change data for other columns in the same registered table.
  • PowerExchange Express CDC for Oracle does not capture CREATE TABLE...AS SELECT operations.
  • PowerExchange Express CDC for Oracle can capture data that the SQL*Loader utility loaded into Oracle tables provided that the load method is Insert, Append, or Replace. Do not use Truncate. If you use Truncate, the SQL*Loader issues TRUNCATE TABLE DDL. PowerExchange cannot capture row deletions that result from TRUNCATE TABLE DDL.
  • If a PowerExchange Express CDC source instance has redo logs on a RAW device and the logs are
    not
     managed by ASM, the PowerExchange Logger for Linux, UNIX, and Windows and database row tests fail when they try to process the logs.
  • PowerExchange Express CDC cannot capture change data from Oracle database instances in the cloud that are deployed and managed by the Amazon Relational Database Service (RDS).
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