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table stats (
  jobid INT,
...
  value VARCHAR(255), # or maybe TEXT or equivalent
  PRIMARY KEY (jobid, try)
);

select item, value from stats where jobid=273118 and try=1

select owner, count(*) as n from stats where try=1 group by owner orde
+r by n

foreach (keys %hash) {
    $dbi->do('insert into stats (jobid,try,item,value) (?,?,?,?)',$job
+id, $try, $_, $hash{$_});
}