Esimerkki käyttäjien määrän hakemiseen

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n = muokkausta vuodessa; nn = käyttäjien määrä ; d = vuosi; Ehto "n>0" = käyttäjiä joilla on vähintään 1 muokkaus tehtynä ko. vuonna.

SQL

 select sum(1) as nn, tmp.d from (
    select sum(1) as n, floor(rev_timestamp/10000000000) as d from revision where rev_user > 0 AND floor(rev_timestamp/10000000000) = 2014 group by rev_user,d
 ) as tmp where n>0 group by d;

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