This question mark is a bit confusing but in general coalesce() function is rather simple
as they explain in http://www.techonthenet.com/oracle/functions/coalesce.php
SELECT coalesce( address1, address2,
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For beginner Java programmers or at least those new to the Eclipse IDE, the following tutorial will show some (four) ways in which you can import your Java projects to your Eclipse workbench.
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