Difference between revisions of "MIN"

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(Created page with "<h3>MIN</h3> <table align='right' border='1'> <caption>Compatibility</caption> <tr><th colspan='3'>MIN(f)</th></tr> <tr><td align='center'>'''Engine'''</td><td align='center'>...")
 
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<h3>MIN</h3>
 
 
<table align='right' border='1'>
 
<table align='right' border='1'>
 
<caption>Compatibility</caption>
 
<caption>Compatibility</caption>
Line 10: Line 9:
 
<tr><td align='left'>sqlserver</td><td>Yes</td><td></td></tr>
 
<tr><td align='left'>sqlserver</td><td>Yes</td><td></td></tr>
 
</table>
 
</table>
 +
<h1>MIN</h1>
 
<p>MIN finds the smallest values in a column or part of a column</p>
 
<p>MIN finds the smallest values in a column or part of a column</p>
<p>MIN finds the smallest values in a column or part of a column</p>  
+
<p>MIN is an aggregate function it is normally used with GROUP BY. </p>  
 
<pre style='width:50ex'>
 
<pre style='width:50ex'>
 
   SELECT region, MIN(name)
 
   SELECT region, MIN(name)
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The MIN column gives the "smallest" name in the region in the context of strings this is the first name alphabetically.   
 
The MIN column gives the "smallest" name in the region in the context of strings this is the first name alphabetically.   
 
<source lang='sql' class='def'>
 
<source lang='sql' class='def'>
SELECT region, MIN(name)
 
  FROM bbc
 
GROUP BY region
 
</source>
 
 
<source lang='sql' class='ans'>
 
 
SELECT region, MIN(name)
 
SELECT region, MIN(name)
 
   FROM bbc
 
   FROM bbc
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<p>See also</p>
 
<p>See also</p>
 
<ul>
 
<ul>
   <li>[[AVG function]]</li>
+
   <li>[[AVG |AVG function]]</li>
   <li>[[SUM function]]</li>
+
   <li>[[SUM |SUM function]]</li>
   <li>[http://sqlzoo.net/w/index.php/MAX MAX function]</li>
+
   <li>[[MAX |MAX function]]</li>
 
</ul>
 
</ul>

Revision as of 12:38, 13 July 2012

Compatibility
MIN(f)
EngineOKAlternative
ingresYes
mysqlYes
oracleYes
postgresYes
sqlserverYes

MIN

MIN finds the smallest values in a column or part of a column

MIN is an aggregate function it is normally used with GROUP BY.

  SELECT region, MIN(name)
    FROM bbc
   GROUP BY region 

With a GROUP BY region statement each region shows up just once. The MIN column gives the "smallest" name in the region in the context of strings this is the first name alphabetically.

SELECT region, MIN(name)
  FROM bbc
 GROUP BY region

See also

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