[oracle@ct6603 ~]$ sqlplus system/system
SQL*Plus: Release 12.1.0.2.0 Production on Sat Nov 5 17:11:31 2016
Copyright (c) 1982, 2014, Oracle. All rights reserved.
Last Successful login time: Sat Nov 05 2016 17:11:12 +08:00
Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options
#建测试表
SQL> create table tb_rowid tablespace users as select * from dba_objects;
Table created.
#记录时间
SQL> set timing on
#设定自动提交
SQL> set autocommit on
#跟踪统计信息
SQL> set autotrace on stat
#表tb_rowid上无物化视图日志
#插入9999笔记录，Redolog产生量1249324，耗时00:00:00.21
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:00.21
Statistics
----------------------------------------------------------
42 recursive calls
1105 db block gets
497 consistent gets
508 physical reads
1249324 redo size
859 bytes sent via SQL*Net to client
870 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
3 sorts (memory)
0 sorts (disk)
9999 rows processed
#插入9999笔记录，Redolog产生量1248532，耗时00:00:00.17
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:00.17
Statistics
----------------------------------------------------------
4 recursive calls
1087 db block gets
324 consistent gets
245 physical reads
1248532 redo size
861 bytes sent via SQL*Net to client
870 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量4147948，耗时00:00:00.50
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:00.50
Statistics
----------------------------------------------------------
9 recursive calls
11277 db block gets
225 consistent gets
276 physical reads
4147948 redo size
861 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
2 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量4164704，耗时00:00:00.60
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:00.60
Statistics
----------------------------------------------------------
3 recursive calls
11293 db block gets
319 consistent gets
104 physical reads
4164704 redo size
863 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量2725824，耗时00:00:00.48
SQL> update tb_rowid set object_id=1 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:00.48
Statistics
----------------------------------------------------------
8 recursive calls
10233 db block gets
548 consistent gets
145 physical reads
2725824 redo size
863 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
2 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量957056，耗时00:00:00.13
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:00.13
Statistics
----------------------------------------------------------
8 recursive calls
294 db block gets
548 consistent gets
0 physical reads
957056 redo size
864 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
2 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量961224，耗时00:00:00.14
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:00.14
Statistics
----------------------------------------------------------
1 recursive calls
294 db block gets
489 consistent gets
0 physical reads
961224 redo size
864 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#表tb_rowid上有物化视图日志
#建物化视图日志
SQL> create materialized view log on tb_rowid with rowid including new values;
Materialized view log created.
Elapsed: 00:00:00.34
#插入9999笔记录，Redolog产生量10905808，耗时00:00:03.73
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:03.73
Statistics
----------------------------------------------------------
176 recursive calls
43316 db block gets
1227 consistent gets
104 physical reads
10905808 redo size
862 bytes sent via SQL*Net to client
870 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
14 sorts (memory)
0 sorts (disk)
9999 rows processed
#插入9999笔记录，Redolog产生量11015104，耗时00:00:04.03
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:04.03
Statistics
----------------------------------------------------------
32 recursive calls
42863 db block gets
6438 consistent gets
2 physical reads
11015104 redo size
865 bytes sent via SQL*Net to client
870 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量11019692，耗时00:00:03.88
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:03.88
Statistics
----------------------------------------------------------
43 recursive calls
42877 db block gets
572 consistent gets
27 physical reads
11019692 redo size
865 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
3 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量11010468，耗时00:00:03.73
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:03.73
Statistics
----------------------------------------------------------
18 recursive calls
42846 db block gets
592 consistent gets
0 physical reads
11010468 redo size
865 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量16150340，耗时00:00:06.94
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:06.94
Statistics
----------------------------------------------------------
51 recursive calls
73132 db block gets
1292 consistent gets
109 physical reads
16150340 redo size
865 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
3 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量16078152，耗时00:00:07.19
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:07.19
Statistics
----------------------------------------------------------
30 recursive calls
91767 db block gets
1160 consistent gets
1 physical reads
16078152 redo size
865 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
1 sorts (memory)
0 sorts (disk)
9999 rows processed
#表tb_rowid上有快速刷新物化视图
#建物化视图mv_tb_rowid
SQL> create materialized view mv_tb_rowid tablespace users refresh fast on commit with rowid as select * from tb_rowid;
Materialized view created.
Elapsed: 00:00:29.52
#插入9999笔记录，Redolog产生量20177192，耗时00:00:08.98
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:08.98
Statistics
----------------------------------------------------------
1415 recursive calls
98178 db block gets
4696 consistent gets
412 physical reads
20177192 redo size
866 bytes sent via SQL*Net to client
870 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
92 sorts (memory)
0 sorts (disk)
9999 rows processed
#插入9999笔记录，Redolog产生量19942160，耗时00:00:07.26
SQL> insert into tb_rowid select * from tb_rowid where rownum<10000;
9999 rows created.
Commit complete.
Elapsed: 00:00:07.26
Statistics
----------------------------------------------------------
223 recursive calls
97346 db block gets
7576 consistent gets
1 physical reads
19942160 redo size
866 bytes sent via SQL*Net to client
871 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
24 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量25751700，耗时00:00:08.75
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:08.75
Statistics
----------------------------------------------------------
227 recursive calls
136425 db block gets
2362 consistent gets
0 physical reads
25751700 redo size
866 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
24 sorts (memory)
0 sorts (disk)
9999 rows processed
#删除9999笔记录，Redolog产生量25890548，耗时00:00:08.73
SQL> delete tb_rowid where rownum<10000;
9999 rows deleted.
Commit complete.
Elapsed: 00:00:08.73
Statistics
----------------------------------------------------------
204 recursive calls
136332 db block gets
2223 consistent gets
241 physical reads
25890548 redo size
868 bytes sent via SQL*Net to client
842 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
22 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量42848860，耗时00:00:18.52
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:18.52
Statistics
----------------------------------------------------------
902 recursive calls
249586 db block gets
5487 consistent gets
292 physical reads
42848860 redo size
868 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
24 sorts (memory)
0 sorts (disk)
9999 rows processed
#更新9999笔记录，Redolog产生量43267360，耗时00:00:16.95
SQL> update tb_rowid set object_id=2 where rownum<10000;
9999 rows updated.
Commit complete.
Elapsed: 00:00:16.95
Statistics
----------------------------------------------------------
215 recursive calls
250097 db block gets
4048 consistent gets
0 physical reads
43267360 redo size
868 bytes sent via SQL*Net to client
858 bytes received via SQL*Net from client
3 SQL*Net roundtrips to/from client
22 sorts (memory)
0 sorts (disk)
9999 rows processed
总结：
表上无物化视图日志 表上有物化视图日志 表上有物化视图日志且有一个快速刷新的物化视图
插入 1M/0.21秒 10M/3.73秒 20M/8.98秒
删除 4M/0.5秒 10M/3.88秒 25M/8.75秒
更新 1M/0.13秒 15M/6.94秒 40M/18.52秒