Here's a quick run through of GROUP BY, ROLLUP and CUBE, along with an example of using the GROUPING function. For more information see:
https://oracle-base.com/articles/misc...
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Cameo by Kerry Osborne
Blog: http://kerryosborne.oracle-guy.com/
Twitter: / kerryoracleguy
Cameo appearances are for fun, not an endorsement of the content of this video.