Explain plan and statistics with SQL*Plus
                                                 Last update (2010-07-13 15:14:42)
                                                                                                                   Date added (2010-07-13 15:10:20)

SQL> set timing on
SQL> set autotrace traceonly explain

SQL> select * from dual;

Execution Plan
----------------------------------------------------------
Plan hash value: 3543395131

--------------------------------------------------------------------------
| Id  | Operation         | Name | Rows  | Bytes | Cost (%CPU)| Time     |
--------------------------------------------------------------------------
|   0 | SELECT STATEMENT  |      |     1 |     2 |     2   (0)| 00:00:01 |
|   1 |  TABLE ACCESS FULL| DUAL |     1 |     2 |     2   (0)| 00:00:01 |
--------------------------------------------------------------------------


SQL> set autotrace traceonly statistics

Statistics
----------------------------------------------------------
          0  recursive calls
          0  db block gets
          3  consistent gets
          2  physical reads
          0  redo size
        221  bytes sent via SQL*Net to client
        239  bytes received via SQL*Net from client
          2  SQL*Net roundtrips to/from client
          0  sorts (memory)
          0  sorts (disk)
          1  rows processed