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https://issues.apache.org/jira/browse/HADOOP-2339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12548102
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stack commented on HADOOP-2339:
-------------------------------

One question: What happens if user specifies a column name that is not a column 
family?  I suppose in this case we should delete all cells for the specified 
column?  Also, I wonder if 'delete b: from udanax' shouldn't just delete column 
content rather than actual column itself: i.e. disable, remove, readd, 
re-enable?

> [Hbase Shell] Delete command with no WHERE clause
> -------------------------------------------------
>
>                 Key: HADOOP-2339
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2339
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Edward Yoon
>            Assignee: Edward Yoon
>             Fix For: 0.16.0
>
>         Attachments: 2339.patch
>
>
> using HbaseAdmin.deleteColumn() method.
> {code}
> DELETE column_name FROM table_name;
> {code}

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