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https://issues.apache.org/jira/browse/SQOOP-1744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14230590#comment-14230590
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Veena Basavaraj commented on SQOOP-1744:
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[~rdblue] as we discsused, looks like Hbase should support delta writes, I am 
not sure why the description says Merge is not supported.

NOTE:  incremental = add new records and delta =  overwrite the old record with 
new value ( assuming the Key has not changed )

> TO-side: Write data to HBase
> ----------------------------
>
>                 Key: SQOOP-1744
>                 URL: https://issues.apache.org/jira/browse/SQOOP-1744
>             Project: Sqoop
>          Issue Type: Sub-task
>          Components: connectors
>            Reporter: Qian Xu
>            Assignee: Qian Xu
>             Fix For: 1.99.5
>
>
> Propose to write data into HBase. Note that different to HDFS, HBase is 
> append only. Merge does not work for HBase.



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