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27 lines
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SQL

-- Origin SQL:
SELECT
datacenter,
distro,
SUM (quantity) AS qty
FROM
servers
GROUP BY
GROUPING SETS(
(datacenter,distro),
(datacenter),
(distro),
()
);
SELECT
datacenter,
distro,
SUM (quantity) AS qty
FROM
servers
GROUP BY ALL;
-- Format SQL:
SELECT datacenter, distro, SUM(quantity) AS qty FROM servers GROUP BY GROUPING SETS((datacenter, distro), (datacenter), (distro), ());
SELECT datacenter, distro, SUM(quantity) AS qty FROM servers GROUP BY ALL;