Pongo esto
SELECT * FROM t_hist_boletin WHERE (fecha=2005-07-13) && (hora=10:39:55)
 
y me pone el siguiente error, y no se porque es
 
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ':39:55)' at line 1
 
******************GRACIAS DE ANTEMANO********************** 
   
 


 
 
