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Hi

 

I have a table with differents values in some cases but all of them regarding to other table, is a relational table

I need to get how many are repeated  etc of each one

This is my table

escola	dominio
XXXXX	1.2 - Motivação e Empenho
XXXXX	1.5 - Parcerias/Protocolos/Projetos
XXXXX	2.3 Gestão dos recursos materiais e financeiros
XXXXX	1.2 - Motivação e Empenho
XXXXX	1.4 - Relações / Formas de Comunicação
XXXXX	2.1 - Infraestruturas
XXXXX	2.3 Gestão dos recursos materiais e financeiros
XXXXX	2.5 Escola para todos
YYYY	1.1 - Visão Estratégica / Coerência
YYYY	1.4 - Relações / Formas de Comunicação
YYYY	2.1 - Infraestruturas
YYYY	2.3 Gestão dos recursos materiais e financeiros
YYYY	2.4 Conceção, planeamento e desenvolvimento da ati
YYYY	1.2 - Motivação e Empenho
YYYY	1.4 - Relações / Formas de Comunicação
YYYY	2.1 - Infraestruturas
YYYY	2.3 Gestão dos recursos materiais e financeiros
YYYY	2.5 Escola para todos
ZZZZZ	1.2 - Motivação e Empenho
ZZZZZ	1.4 - Relações / Formas de Comunicação
ZZZZZ	2.1 - Infraestruturas
ZZZZZ	2.3 Gestão dos recursos materiais e financeiros
ZZZZZ	2.5 Escola para todos
 

 This is my query but not what i'm expeting

SELECT DISTINCT `escola`.`escola`, `dominios`.`dominio` , COUNT(`dominios`.`dominio`) AS dominios FROM `estatistica_atividades`
  INNER JOIN `dominios` 
        ON (`estatistica_atividades`.`id_dominios` = `dominios`.`id_dominio`)
    INNER JOIN `escola` 
        ON (`estatistica_atividades`.`id_escola` = `escola`.`id_escola`)
 GROUP BY `escola`.`escola`

Any help?

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Your example numbers don't seem to match your actual data, but if you want to count the school/domain combinations, you need to group by both the school and the domain:

SELECT
    escola.escola,
    dominios.dominio,
    COUNT(*) AS the_count
FROM
    estatistica_atividades
    JOIN escola ON estatistica_atividades.id_escola = escola.id_escola
    JOIN dominios ON estatistica_atividades.id_dominios = dominios.id_dominio
GROUP BY
    escola.escola,
    dominios.dominio
;

(You really need to get rid of all those useless backticks)

Edited by Jacques1
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  • 2 weeks later...

Hi Jacques

 Thanks, about the backticks is the MYsql GUI (Sqlyog)

Let me see if i can explain what i need , your query seems to be ok, i will test it later

1º A teacher schedule an activity

2º The activity have domains (students, parents, teachers, etc)

 

Then in the end of school year i must have a chart with all the domains used by school 

 

Thanks

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