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    id  select_type  table      type    possible_keys  key     key_len  ref       rows  Extra                          
------  -----------  ---------  ------  -------------  ------  -------  ------  ------  -------------------------------
     1  SIMPLE       stEvents   ALL     (NULL)         (NULL)   (NULL)  (NULL)    3958  Using temporary; Using filesort
     1  SIMPLE       stRatings  ALL     (NULL)         (NULL)   (NULL)  (NULL)      78  Using where                    
     1  SIMPLE       stSimilar  ALL     (NULL)         (NULL)   (NULL)  (NULL)   21576  Using where                    
     1  SIMPLE       stZipData  ALL     (NULL)         (NULL)   (NULL)  (NULL)   42741  Using where