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PostgreSQL/Math Functions/Pow - История изменений
2026-04-04T09:59:07Z
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http://www.sqle.ru/index.php?title=PostgreSQL/Math_Functions/Pow&diff=4812&oldid=prev
в 13:45, 26 мая 2010
2010-05-26T13:45:56Z
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http://www.sqle.ru/index.php?title=PostgreSQL/Math_Functions/Pow&diff=4813&oldid=prev
Admin: 1 версия
2010-05-26T10:14:18Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==pow(0) AS "two cubed", pow(0) AS "two squared", pow(0) AS "just two"==<br />
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<!-- start source code --><br />
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<source lang="sql"><br />
postgres=#<br />
postgres=# SELECT pow(2.0, 3.0) AS "two cubed",<br />
postgres-# pow(2.0, 2.0) AS "two squared",<br />
postgres-# pow(2.0, 1.0) AS "just two";<br />
two cubed | two squared | just two<br />
--------------------+--------------------+--------------------<br />
8.0000000000000000 | 4.0000000000000000 | 2.0000000000000000<br />
(1 row)<br />
postgres=#<br />
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</source><br />
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==pow(x, y): Returns value of x to the exponential power of y==<br />
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<!-- start source code --><br />
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<source lang="sql"><br />
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postgres=#<br />
postgres=# -- pow(x, y): Returns value of x to the exponential power of y<br />
postgres=# select pow(2.0, 3) AS "two cubed";<br />
two cubed<br />
--------------------<br />
8.0000000000000000<br />
(1 row)<br />
postgres=#<br />
<br />
</source></div>
Admin