       .             ,     ,    .
      .         ,    ,            .    ,      ,     .  ,         ,       . ,      ,       ,     .    !
   :
SELECT call_from, call_to, call_start, call_seconds
FROM calls
WHERE call_secs > 86400 /*    24  */ AND call_start BETWEEN '03-MAR-98' AND '10-MAR-98';
        1998 . -,      ,    ,        .      ,        (         ):
SELECT call_from, call_to, call_start, call_seconds
FROM calls
WHERE call_secs > 86400 /*    24  */ AND call_start = '03-MAR-98';
 ,           1998 ,      .
    ,    (.  ),  ,    EXPLAIN PLAN     .   ,  ,     ,             ,     .     , ,     ,       ,      .
         OracleS    ,    ,     . (  ,  - !)  :        ,   ,          .
4.  ""  OrnclcS	61