Run Code  | API  | Code Wall  | Misc  | Feedback  | Login  | Theme  | Privacy  | Patreon 

Asignación_ProbabilidadValoresDeUnCampo_

Language: Layout:
[ - ] Show input
Absolute running time: 0.31 sec, cpu time: 0.16 sec, memory peak: 7 Mb, absolute service time: 0,44 sec 
edit mode |  history  | discussion 
select idindustria, count(*)/(select count (*) from empresa) as proba from empresa where idindustria in (select distinct idindustria from empresa) group by idindustria;