IV1023 ht2013 nikos dimitrakas KTH/ICT/SCS 37 XMLQUERY SELECT name, XMLQUERY( count(distinct-values($e//@employer)) PASSING employments AS e ) AS AntalArbetsgivare FROM Person John Higgins 2 Stephen Hendry 2 Matthew Stevens1 Ronnie O Sullivan2 Ken Doherty4 Steve Davis3 Paul Hunter2 Neil Robertson2
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