日期:2014-05-17 浏览次数:20850 次
执行计划
----------------------
Plan hash value: 272002086
--------------------------------------
| 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 |
--------------------------------------
统计信息
----------------------
24 recursive calls
0 db block gets
7 consistent gets
3 physical reads
0 redo size
419 bytes sent via SQL*Net to client
415 bytes received via SQL*Net from client
2 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
1 rows processed
sys@ORCL1> explain plan for select * from dual;
Explained.
sys@ORCL1> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
----------------------------------------
Plan hash value: 272002086
--------------------------------------
------解决方案--------------------
Id
------解决方案--------------------
Operation
------解决方案--------------------
Name
------解决方案--------------------
Rows
在物理Standby上实现读写分离,该如何解决