回收站引发Oracle查询表空间使用缓慢(二)

2014-11-24 17:51:45 · 作者: · 浏览: 8
| Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time |
--------------------------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 140 | 15495 | | 5104K(100)| 17:00:53 |
| 1 | UNION-ALL | | | | | | |
| 2 | VIEW | | 138 | 15456 | | 2552K(100)| 08:30:27 |
| 3 | SORT ORDER BY | | 138 | 13248 | | 2552K(100)| 08:30:27 |
|* 4 | HASH JOIN | | 138 | 13248 | | 2552K(100)| 08:30:27 |
| 5 | NESTED LOOPS | | 2 | 132 | | 7 (15)| 00:00:01 |
| 6 | VIEW | | 2 | 86 | | 5 (20)| 00:00:01 |
| 7 | HASH GROUP BY | | 2 | 60 | | 5 (20)| 00:00:01 |
| 8 | VIEW | DBA_DATA_FILES | 2 | 60 | | 4 (0)| 00:00:01 |
| 9 | UNION-ALL | | | | | | |
| 10 | NESTED LOOPS | | 1 | 236 | | 2 (0)| 00:00:01 |
| 11 | NESTED LOOPS | | 1 | 215 | | 1 (0)| 00:00:01 |
| 12 | NESTED LOOPS | | 1 | 202 | | 1 (0)| 00:00:01 |
|* 13 | FIXED TABLE FULL | X$KCCFN | 1 | 182 | | 0 (0)| 00:00:01 |
|* 14 | TABLE ACCESS BY INDEX ROWID| FILE$ | 1 | 20 | | 1 (0)| 00:00:01 |
|* 15 | INDEX UNIQUE SCAN | I_FILE1 | 1 | | | 0 (0)| 00:00:01 |
|* 16 | FIXED TABLE FIXED INDEX | X$KCCFE (ind:1) | 1 | 13 | | 0 (0)| 00:00:01 |
| 17 | TABLE ACCESS CLUSTER | TS$ | 1 | 21 | | 1 (0)| 00:00:01 |
|* 18 | INDEX UNIQUE SCAN | I_TS# | 1 | | | 0 (0)| 00:00:01 |
| 19 | NESTED LOOPS | | 1 | 279 | | 2 (0)| 00:00:01 |
| 20 | NESTED LOOPS | | 1 | 258 | | 1 (0)| 00:00:01 |
| 21 | NESTED LOOPS | | 1 | 245 | | 1 (0)| 00:00:01 |
| 22 | NESTED LOOPS | | 1 | 234 | | 0 (0)| 00:00:01 |
|* 23 | FIXED TABLE FULL | X$KCCFN | 1 | 182 | | 0 (0)| 00:00:01 |
|* 24 | FIXED TABLE FIXED INDEX | X$KTFBHC (ind:1) | 1 | 52 | | 0 (0)| 00:00:01 |
|* 25 | TABLE ACCESS BY INDEX ROWID| FILE$ | 1 | 11 | | 1 (0)| 00:00:01 |
|* 26 | INDEX UNIQUE SCAN | I_FILE1 | 1 | | | 0 (0)| 00:00:01 |
|* 27 | FIXED TABLE FIXED INDEX | X$KCCFE (ind:1) | 1 | 13 | | 0 (0)| 00:00:01 |
| 28 | TABLE ACCESS CLUSTER | TS$ | 1 | 21 | | 1 (0)| 00:00:01 |
|* 29 | INDEX UNIQUE SCAN | I_TS# | 1 | | | 0 (0)| 00:00:01 |
|* 30 | TABLE ACCESS BY INDEX ROWID | TS$ | 1 | 23 | | 1 (0)| 00:00:01 |
|* 31 | INDEX UNIQUE SCAN | I_TS1 | 1 | | | 0 (0)| 00:00:01 |
| 32 | VIEW | | 3507 | 102K| | 2552K(100)| 08:30:27 |
| 33 | HASH GROUP BY | | 3507 | 102K| | 2552K(100)| 08:30:27 |
| 34 | VIEW | DBA_FREE_SPACE | 3507 | 102K| | 2552K(100)| 08:30:27 |
| 35 | UNION-ALL | | | | | | |
| 36 | NESTED LOOPS | | 1 | 71 | | 4 (0)| 00:00:01 |
| 37 | NESTED LOOPS | | 1 | 46 | | 3 (0)| 00:00:01 |
| 38 | TABLE ACCESS FULL