千家信息网

怎么查看oracle数据库表空间使用情况

发表于:2025-02-03 作者:千家信息网编辑
千家信息网最后更新 2025年02月03日,本篇内容主要讲解"怎么查看oracle数据库表空间使用情况 ",感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习"怎么查看oracle数据库表空间使用情况 "吧!
千家信息网最后更新 2025年02月03日怎么查看oracle数据库表空间使用情况

本篇内容主要讲解"怎么查看oracle数据库表空间使用情况 ",感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习"怎么查看oracle数据库表空间使用情况 "吧!

1.现象

2.诊断过程

SQL> set timing onSQL> set autotrace traceonlySQL> Select a.Tablespace_Name, a.Total || 'M' Total_Space, (a.Total - b.Free) || 'M' Used_Space, To_Char((a.Total - b.Free) / a.Total * 100, '99.99') || '%' Pct_Free  2  From  3  (Select Tablespace_Name, Sum(Bytes) / 1024 / 1024 Total From Dba_Data_Files Group By tablespace_Name) a,  4  (Select Tablespace_Name, Sum(Bytes) / 1024 / 1024 Free From Dba_Free_Space Group By Tablespace_Name) b where a.Tablespace_Name = b.Tablespace_Name;已选择21行。已用时间:  00: 23: 59.93执行计划----------------------------------------------------------                      Plan hash value: 341960732                                                                                                                                      --------------------------------------------------------------------------------------------------------                                                                                                                                        | Id  | Operation                           | Name             | Rows  | Bytes | Cost (%CPU)| Time     |                                                                                                                                        --------------------------------------------------------------------------------------------------------                                                                                                                                        |   0 | SELECT STATEMENT                    |                  |     2 |   120 |   568  (51)| 00:00:07 |                                                                                                                                        |*  1 |  HASH JOIN                          |                  |     2 |   120 |   568  (51)| 00:00:07 |                                                                                                                                        |   2 |   VIEW                              |                  |     2 |    60 |     5  (20)| 00:00:01 |                                                                                                                                        |   3 |    HASH GROUP BY                    |                  |     2 |    40 |     5  (20)| 00:00:01 |                                                                                                                                        |   4 |     VIEW                            | DBA_DATA_FILES   |     2 |    40 |     4   (0)| 00:00:01 |                                                                                                                                        |   5 |      UNION-ALL                      |                  |       |       |            |          |                                                                                                                                        |   6 |       NESTED LOOPS                  |                  |     1 |   356 |     2   (0)| 00:00:01 |                                                                                                                                        |   7 |        NESTED LOOPS                 |                  |     1 |   342 |     1   (0)| 00:00:01 |                                                                                                                                        |   8 |         NESTED LOOPS                |                  |     1 |   329 |     1   (0)| 00:00:01 |                                                                                                                                        |*  9 |          FIXED TABLE FULL           | X$KCCFN          |     1 |   310 |     0   (0)| 00:00:01 |                                                                                                                                        |* 10 |          TABLE ACCESS BY INDEX ROWID| FILE$            |     1 |    19 |     1   (0)| 00:00:01 |                                                                                                                                        |* 11 |           INDEX UNIQUE SCAN         | I_FILE1          |     1 |       |     0   (0)| 00:00:01 |                                                                                                                                        |* 12 |         FIXED TABLE FIXED INDEX     | X$KCCFE (ind:1)  |     3 |    39 |     0   (0)| 00:00:01 |                                                                                                                                        |  13 |        TABLE ACCESS CLUSTER         | TS$              |     1 |    14 |     1   (0)| 00:00:01 |                                                                                                                                        |* 14 |         INDEX UNIQUE SCAN           | I_TS#            |     1 |       |     0   (0)| 00:00:01 |                                                                                                                                        |  15 |       NESTED LOOPS                  |                  |     1 |   399 |     2   (0)| 00:00:01 |                                                                                                                                        |  16 |        NESTED LOOPS                 |                  |     1 |   385 |     1   (0)| 00:00:01 |                                                                                                                                        |  17 |         NESTED LOOPS                |                  |     1 |   372 |     1   (0)| 00:00:01 |                                                                                                                                        |  18 |          NESTED LOOPS               |                  |     1 |   362 |     0   (0)| 00:00:01 |                                                                                                                                        |* 19 |           FIXED TABLE FULL          | X$KCCFN          |     1 |   310 |     0   (0)| 00:00:01 |                                                                                                                                        |* 20 |           FIXED TABLE FIXED INDEX   | X$KTFBHC (ind:1) |     1 |    52 |     0   (0)| 00:00:01 |                                                                                                                                        |* 21 |          TABLE ACCESS BY INDEX ROWID| FILE$            |     1 |    10 |     1   (0)| 00:00:01 |                                                                                                                                        |* 22 |           INDEX UNIQUE SCAN         | I_FILE1          |     1 |       |     0   (0)| 00:00:01 |                                                                                                                                        |* 23 |         FIXED TABLE FIXED INDEX     | X$KCCFE (ind:1)  |     3 |    39 |     0   (0)| 00:00:01 |                                                                                                                                        |  24 |        TABLE ACCESS CLUSTER         | TS$              |     1 |    14 |     1   (0)| 00:00:01 |                                                                                                                                        |* 25 |         INDEX UNIQUE SCAN           | I_TS#            |     1 |       |     0   (0)| 00:00:01 |                                                                                                                                        |  26 |   VIEW                              |                  |     6 |   180 |   563  (51)| 00:00:07 |                                                                                                                                        |  27 |    HASH GROUP BY                    |                  |     6 |   120 |   563  (51)| 00:00:07 |                                                                                                                                        |  28 |     VIEW                            | DBA_FREE_SPACE   |  2437K|    46M|   352  (21)| 00:00:05 |                                                                                                                                        |  29 |      UNION-ALL                      |                  |       |       |            |          |                                                                                                                                        |  30 |       NESTED LOOPS                  |                  |     1 |    63 |     3   (0)| 00:00:01 |                                                                                                                                        |  31 |        NESTED LOOPS                 |                  |     1 |    57 |     3   (0)| 00:00:01 |                                                                                                                                        |  32 |         TABLE ACCESS FULL           | FET$             |     1 |    39 |     3   (0)| 00:00:01 |                                                                                                                                        |* 33 |         TABLE ACCESS CLUSTER        | TS$              |     1 |    18 |     0   (0)| 00:00:01 |                                                                                                                                        |* 34 |          INDEX UNIQUE SCAN          | I_TS#            |     1 |       |     0   (0)| 00:00:01 |                                                                                                                                        |* 35 |        INDEX UNIQUE SCAN            | I_FILE2          |     1 |     6 |     0   (0)| 00:00:01 |                                                                                                                                        |  36 |       NESTED LOOPS                  |                  |    80 |  5520 |     4   (0)| 00:00:01 |                                                                                                                                        |  37 |        NESTED LOOPS                 |                  |    80 |  5040 |     4   (0)| 00:00:01 |                                                                                                                                        |* 38 |         TABLE ACCESS FULL           | TS$              |     6 |   144 |     4   (0)| 00:00:01 |                                                                                                                                        |* 39 |         FIXED TABLE FIXED INDEX     | X$KTFBFE (ind:1) |    14 |   546 |     0   (0)| 00:00:01 |                                                                                                                                        |* 40 |        INDEX UNIQUE SCAN            | I_FILE2          |     1 |     6 |     0   (0)| 00:00:01 |                                                                                                                                        |* 41 |       HASH JOIN                     |                  |  2437K|   244M|   300  (25)| 00:00:04 |                                                                                                                                        |  42 |        TABLE ACCESS FULL            | RECYCLEBIN$      | 17654 |   172K|   221   (1)| 00:00:03 |                                                                                                                                        |* 43 |        HASH JOIN                    |                  |   557K|    50M|    57  (88)| 00:00:01 |                                                                                                                                        |  44 |         MERGE JOIN CARTESIAN        |                  |   217 |  6510 |     7   (0)| 00:00:01 |                                                                                                                                        |* 45 |          TABLE ACCESS FULL          | TS$              |     6 |   144 |     4   (0)| 00:00:01 |                                                                                                                                        |  46 |          BUFFER SORT                |                  |    39 |   234 |     3   (0)| 00:00:01 |                                                                                                                                        |  47 |           INDEX FAST FULL SCAN      | I_FILE2          |    39 |   234 |     1   (0)| 00:00:01 |                                                                                                                                        |  48 |         FIXED TABLE FULL            | X$KTFBUE         |   100K|  6347K|    45 (100)| 00:00:01 |                                                                                                                                        |  49 |       NESTED LOOPS                  |                  |     1 |    86 |    45   (0)| 00:00:01 |                                                                                                                                        |  50 |        NESTED LOOPS                 |                  |  1358 |    86 |    45   (0)| 00:00:01 |                                                                                                                                        |  51 |         NESTED LOOPS                |                  |     1 |    76 |     5   (0)| 00:00:01 |                                                                                                                                        |  52 |          NESTED LOOPS               |                  |     1 |    70 |     5   (0)| 00:00:01 |                                                                                                                                        |* 53 |           TABLE ACCESS FULL         | TS$              |     1 |    18 |     4   (0)| 00:00:01 |                                                                                                                                        |  54 |           TABLE ACCESS CLUSTER      | UET$             |     1 |    52 |     1   (0)| 00:00:01 |                                                                                                                                        |* 55 |            INDEX RANGE SCAN         | I_FILE#_BLOCK#   |     1 |       |     1   (0)| 00:00:01 |                                                                                                                                        |* 56 |          INDEX UNIQUE SCAN          | I_FILE2          |     1 |     6 |     0   (0)| 00:00:01 |                                                                                                                                        |* 57 |         INDEX RANGE SCAN            | RECYCLEBIN$_TS   |  1358 |       |     8   (0)| 00:00:01 |                                                                                                                                        |* 58 |        TABLE ACCESS BY INDEX ROWID  | RECYCLEBIN$      |     1 |    10 |    40   (0)| 00:00:01 |                                                                                                                                        --------------------------------------------------------------------------------------------------------                                                                                                                                                                                                                        Predicate Information (identified by operation id):                             ---------------------------------------------------                                                                                                                1 - access("A"."TABLESPACE_NAME"="B"."TABLESPACE_NAME")                         9 - filter("FNNAM" IS NOT NULL AND "FNTYP"=4 AND "INST_ID"=USERENV('INSTANCE') AND                                                                                                                                                                         BITAND("FNFLG",4)<>4)                                               10 - filter("F"."SPARE1" IS NULL)                                               11 - access("FNFNO"="F"."FILE#")                                                12 - filter("FE"."FENUM"="F"."FILE#")                                           14 - access("F"."TS#"="TS"."TS#")                                               19 - filter("FNNAM" IS NOT NULL AND "FNTYP"=4 AND "INST_ID"=USERENV('INSTANCE') AND                                                                                                                                                                         BITAND("FNFLG",4)<>4)                                               20 - filter("FNFNO"="HC"."KTFBHCAFNO")                                          21 - filter("F"."SPARE1" IS NOT NULL)                                           22 - access("FNFNO"="F"."FILE#")                                                23 - filter("FE"."FENUM"="F"."FILE#")                                           25 - access("HC"."KTFBHCTSN"="TS"."TS#")                                        33 - filter("TS"."BITMAPPED"=0)                                                 34 - access("TS"."TS#"="F"."TS#")                                               35 - access("F"."TS#"="FI"."TS#" AND "F"."FILE#"="FI"."RELFILE#")               38 - filter("TS"."CONTENTS$"=0 AND "TS"."BITMAPPED"<>0 AND ("TS"."ONLINE$"=1 OR                                                                                                                                                                             "TS"."ONLINE$"=4))                                                  39 - filter("TS"."TS#"="F"."KTFBFETSN")                                         40 - access("F"."KTFBFETSN"="FI"."TS#" AND "F"."KTFBFEFNO"="FI"."RELFILE#")     41 - access("TS"."TS#"="RB"."TS#" AND "RB"."TS#"="FI"."TS#" AND "U"."KTFBUESEGTSN"="RB"."TS#"                                                                                                                                                               AND "U"."KTFBUESEGFNO"="RB"."FILE#" AND "U"."KTFBUESEGBNO"="RB"."BLOCK#")                                                                                                                                                           43 - access("U"."KTFBUEFNO"="FI"."RELFILE#")                                    45 - filter("TS"."CONTENTS$"=0 AND "TS"."BITMAPPED"<>0 AND ("TS"."ONLINE$"=1 OR                                                                                                                                                                             "TS"."ONLINE$"=4))                                                  53 - filter("TS"."BITMAPPED"=0)                                                 55 - access("TS"."TS#"="U"."TS#")                                               56 - access("U"."TS#"="FI"."TS#" AND "U"."SEGFILE#"="FI"."RELFILE#")            57 - access("U"."TS#"="RB"."TS#")                                               58 - filter("U"."SEGFILE#"="RB"."FILE#" AND "U"."SEGBLOCK#"="RB"."BLOCK#")


到此,相信大家对"怎么查看oracle数据库表空间使用情况 "有了更深的了解,不妨来实际操作一番吧!这里是网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!

0