drxpt06820 2018-03-17 14:58
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INNER JOIN在mysql php中

I have a little problem with INNER JOIN in mysql query. I have two tables the first is 'kontrola' and 2nd is 'naruszenia' In 'kontrola' table I have rows:

  • id
  • podmiot
  • miasto
  • wszczeto
  • zakonczono
  • naruszenie_id (Foreign KEY on 'naruszenia' table) In my naruszenia table I have:

  • id

  • naruszenia

Now I want to display using INNER JOIN the naruszenie from 'naruszenia' table. I've create somethin linke this:

$listakontroli = $connecting->query("SELECT * FROM kontrola INNER JOIN naruszenia ON
 kontrola.naruszenie_id=naruszenia.id"); 

But the result is that when I want to display records in table I have changed the ID of first table(kontrola) and the naruszenia_id still showing id from naruszenia table. How to change it to display properly the word not id.

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  • dps57553 2018-03-17 15:03
    关注

    You could use explicit column name and refer to both the table (in this case using k an n) eg:

    $listakontroli = $connecting->query("SELECT k.id
               , k.podmiot
               , k.miasto
               , k.wszczeto7
               , k.zakonczono
               , n.naruszenia 
          FROM kontrola k
          INNER JOIN naruszenia  n ON  k.naruszenie_id=n.id"); 
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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