[PHP-DB] record pointer

[elk dolk]

  Hi all,
   
  My DB has the following columns: id, name ,cat. I want to select a cat  i.e. 
cat=zzz   when the query is finished I should see a specific record within this 
cat which is defined by  id, like id=yyy 
  Any idea how to do this? Is there a function or something like record pointer 
in MySQL ?
   
  cheers
  
       
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