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一个表空间使用率查询sql的优化(二)
2015-11-21 01:35:13 来源: 作者: 【 】 浏览:1
Tags:一个 空间 使用率 查询 sql 优化
(0)| | |* 36 | INDEX UNIQUE SCAN | I_TS# | 1 | | 0 (0)| | |* 37 | TABLE ACCESS CLUSTER | TS$ | 1 | 19 | 0 (0)| | |* 38 | INDEX UNIQUE SCAN | I_TS# | 1 | | 0 (0)| | | 39 | NESTED LOOPS | | 76 | 5320 | 4 (0)| 00:00:01 | | 40 | NESTED LOOPS | | 76 | 4864 | 4 (0)| 00:00:01 | |* 41 | TABLE ACCESS FULL | TS$ | 5 | 125 | 4 (0)| 00:00:01 | |* 42 | FIXED TABLE FIXED INDEX | X$KTFBFE (ind:1) | 17 | 663 | 0 (0)| | |* 43 | INDEX UNIQUE SCAN | I_FILE2 | 1 | 6 | 0 (0)| | | 44 | NESTED LOOPS | | 1 | 135 | 2 (50)| 00:00:01 | | 45 | NESTED LOOPS | | 1 | 70 | 1 (0)| 00:00:01 | | 46 | NESTED LOOPS | | 1 | 45 | 1 (0)| 00:00:01 | | 47 | INDEX FULL SCAN | I_FILE2 | 5 | 30 | 1 (0)| 00:00:01 | | 48 | TABLE ACCESS BY INDEX ROWID| RECYCLEBIN$ | 1 | 39 | 0 (0)| | |* 49 | INDEX RANGE SCAN | RECYCLEBIN$_TS | 1 | | 0 (0)| | |* 50 | TABLE ACCESS CLUSTER | TS$ | 1 | 25 | 0 (0)| | |* 51 | INDEX UNIQUE SCAN | I_TS# | 1 | | 0 (0)| | |* 52 | FIXED TABLE FIXED INDEX | X$KTFBUE (ind:1) | 1 | 65 | 1 (100)| 00:00:01 | | 53 | NESTED LOOPS | | 1 | 116 | 3 (0)| 00:00:01 | | 54 | NESTED LOOPS | | 1 | 97 | 3 (0)| 00:00:01 | | 55 | MERGE JOIN CARTESIAN | | 1 | 45 | 3 (0)| 00:00:01 | | 56 | TABLE ACCESS FULL | RECYCLEBIN$ | 1 | 39 | 2 (0)| 00:00:01 | | 57 | BUFFER SORT | | 5 | 30 | 1 (0)| 00:00:01 | | 58 | INDEX FULL SCAN | I_FILE2 | 5 | 30 | 1 (0)| 00:00:01 | | 59 | TABLE ACCESS CLUSTER | UET$ | 1 | 52 | 0 (0)| | |* 60 | INDEX UNIQUE SCAN | I_FILE#_BLOCK# | 1 | | 0 (0)| | |* 61 | TABLE ACCESS CLUSTER | TS$ | 1 | 19 | 0 (0)| | |* 62 | INDEX UNIQUE SCAN | I_TS# | 1 | | 0 (0)| | | 63 | NESTED LOOPS OUTER | | 1 | 58 | 3 (34)| 00:00:01 | | 64 | VIEW | | 1 | 30 | 2 (50)| 00:00:01 | | 65 | HASH GROUP BY | | 1 | 416 | 2 (50)| 00:00:01 | | 66 | NESTED LOOPS | | 1 | 416 | 1 (0)| 00:00:01 | | 67 | NESTED LOOPS | | 1 | 364 | 1 (0)| 00:00:01 | | 68 | NESTED LOOPS | | 1 | 349 | 0 (0)| | |* 69 | FIXED TABLE FULL | X$KCCFN | 1 | 297 | 0 (0)| | |* 70 | FIXED TABLE FIXED INDEX | X$KTFTHC (ind:1) | 1 | 52 | 0 (0)| | | 71 | TABLE ACCESS CLUSTER | TS$ | 1 | 15 | 1 (0)| 00:00:01 | |* 72 | INDEX UNIQUE SCAN | I_TS# | 1 | | 0 (0)| | |* 73 | FIXED TABLE FIXED INDEX | X$KCCTF (ind:1) | 1 | 52 | 0 (0)| | | 74 | VIEW PUSHED PREDICATE | | 1 | 28 | 1 (0)| 00:00:01 | | 75 | SORT GROUP BY | | 1 | 90 | 1 (0)| 00:00:01 | | 76 | NESTED LOOPS | | 1 | 90 | 1 (0)| 00:00:01 | |* 77 | TABLE ACCESS BY INDEX ROWID | TS$ | 1 | 25 | 1 (0)| 00:00:01 | |* 78 | INDEX UNIQUE SCAN | I_TS1 | 1 | | 0 (0)| | |* 79 | FIXED TABLE FIXED INDEX | X$KTFTHC (ind:2) | 1 | 65 | 0 (0)| | ---------------------------------------------------------------------------------------------------------- Query Block Name / Object Alias (identified by operation id): ------------------------------------------------------------- 1 - SET$1 3 - SEL$1 4 - SEL$2 / D@SEL$1 5 - SEL$2 6 - SET$2 / DBA_DATA_FILES@SEL$2 7 - SET$2 8 - SEL$C8360722 11 - SEL$C8360722 / X$KCCFN@SEL$5 12 - SEL$C8360722 / F@SEL$3 13 - SEL$C8360722 / F@SEL$3 14 - SEL$C8360722 / FE@SEL$3 15 - SEL$C8360722 / TS@SEL$3 16 - SEL$C8360722 / TS@SEL$3 17 - SEL$A731BD80 21 - SEL$A731BD80 / X$KCCFN@SEL$8 22 - SEL$A731BD80 / HC@SEL$6 23 - SEL$A731BD80 / TS@SEL$6 24 - SEL$A731BD80 / TS@SEL$6 25 - SEL$A731BD80 / F@SEL$6 26 - SEL$A731BD80 / F@SEL$6 27 - SEL$A731BD80 / FE@SEL$6 28 - SEL$9 / F@SEL$1 29 - SEL$9 30 - SET$3 / DBA_FREE_SPACE@SEL$9 31 - SET$3 32 - SEL$10 34 - SEL$10 / FI@SEL$10 35 - SEL$10 / F@SEL$10 36 - SEL$10 / F@SEL$10 37 - SEL$10 / TS@SEL$10 38 - SEL$10 / TS@SEL$10 39 - SEL$11 41 - SEL$11 / TS@SEL$11 42 - SEL$11 / F@SEL$11 43 - SEL$11 / FI@SEL$11 44 - SEL$12 47 - SEL$12 / FI@SEL$12 48 - SEL$12 / RB@SEL$12 49 - SEL$12 / RB@SEL$12 50 - SEL$12 / TS@SEL$12 51 - SEL$12 / TS@SEL$12 52 - SEL$12 / U@SEL$12 53 - SE
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