Wind created ZEPPELIN-2660:
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Summary: Add credentials variable to spark interpreter
Key: ZEPPELIN-2660
URL: https://issues.apache.org/jira/browse/ZEPPELIN-2660
Project: Zeppelin
Issue Type: Improvement
Components: Interpreters
Reporter: Wind
*Problem:*
If we want to access databases in a spark interpreter, we need to specify our
own private username and password in a spark interpreter paragraph, which is
not always safe due to visible authentifier information.
*Fix:*
We already have 'credentials' to store our private username and password and we
can define a variable named 'credentials' before we interpret our codes in
paragraph.
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