Difference between revisions of "MOD"

From SQLZOO
Jump to: navigation, search
Line 18: Line 18:
 
</pre>
 
</pre>
  
<div class='qu'>
+
<div class='ht'>
 
With a <code>GROUP BY region</code> statement each region shows up just once. The SUM column gives the total for each region.   
 
With a <code>GROUP BY region</code> statement each region shows up just once. The SUM column gives the total for each region.   
 
<source lang='sql' class='def e-sqlserver'>SELECT yr % 10, yr, city
 
<source lang='sql' class='def e-sqlserver'>SELECT yr % 10, yr, city

Revision as of 09:22, 13 July 2012

Compatibility
MOD(a,b)
EngineOKAlternative
ingresYes
mysqlYesa % b
oracleYes
postgresYesa % b
sqlserverNoa % b

MOD

MOD(a,b) returns the remainder when a is divied by b

If you use MOD(a, 2) you get 0 for even numbers and 1 for odd numbers.

If you use MOD(a, 10) you get the last digit of the number a.

 MOD(27,2) ->  1
 MOD(27,10) ->  7

With a GROUP BY region statement each region shows up just once. The SUM column gives the total for each region.

SELECT yr % 10, yr, city
FROM games
SELECT MOD(yr,10),
       yr, city
  FROM games

See also

Personal tools
Namespaces

Variants
Actions
Reference
Toolbox
Google AdSense