1 - filter("ENAME"='SCOTT')
Statistics
----------------------------------------------------------
0 recursive calls
0 db block gets
8 consistent gets
0 redo size
824 bytes sent via SQL*Net to client
385 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
1 rows processed
摘自 一沙弥的世界