jackylk opened a new pull request #3643: [CARBONDATA-3726] Add CDC and Data Dedup example URL: https://github.com/apache/carbondata/pull/3643 ### Why is this PR needed? Change Data Capture and Data Duplication is common tasks for data management, we should add examples for user to reference We can leverage CarbonData's Merge API to implement these use cases ### What changes were proposed in this PR? 1. Two examples are added 2. A performance improvement: earlier carbon always use 'full_outer' join to do Merge, in this PR we decide Join type based on match condition 3. Make auditor enable dynamically, user can disable it. ### Does this PR introduce any user interface change? - No ### Is any new testcase added? - No
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