关于使用SHOW_SPACE()

数据字典

grassbell,能解释一下执行这个过程后， 能够说明什么具体的问题吗？

grassbell

第一次看到这个，是tom为了解释HWM，只是比dbms_space跟方便一点罢了。
你可以去查一下dbms_space的用法，就很明白了

grassbell

xzh2000 提供的最终混合超级完全无敌版：

create or replace procedure show_space
( p_segname_1 in varchar2,
p_space in varchar2 default 'MANUAL',
p_type_1 in varchar2 default 'TABLE' ,
p_analyzed in varchar2 default 'N',
p_owner_1 in varchar2 default user)
as
p_segname varchar2(100);
p_type varchar2(10);
p_owner varchar2(30);

l_unformatted_blocks number;
l_unformatted_bytes number;
l_fs1_blocks number;
l_fs1_bytes number;
l_fs2_blocks number;
l_fs2_bytes number;
l_fs3_blocks number;
l_fs3_bytes number;
l_fs4_blocks number;
l_fs4_bytes number;
l_full_blocks number;
l_full_bytes number;

l_free_blks number;
l_total_blocks number;
l_total_bytes number;
l_unused_blocks number;
l_unused_bytes number;
l_LastUsedExtFileId number;
l_LastUsedExtBlockId number;
l_LAST_USED_BLOCK number;

procedure p( p_label in varchar2, p_num in number )
is
begin
dbms_output.put_line( rpad(p_label,40,'.') ||
p_num );
end;
begin
p_segname := upper(p_segname_1); -- rainy changed
p_owner := upper(p_owner_1);
p_type := p_type_1;

if (p_type_1 = 'i' or p_type_1 = 'I') then --rainy changed
p_type := 'INDEX';
end if;

if (p_type_1 = 't' or p_type_1 = 'T') then --rainy changed
p_type := 'TABLE';
end if;

if (p_type_1 = 'c' or p_type_1 = 'C') then --rainy changed
p_type := 'CLUSTER';
end if;


dbms_space.unused_space
( segment_owner => p_owner,
segment_name => p_segname,
segment_type => p_type,
total_blocks => l_total_blocks,
total_bytes => l_total_bytes,
unused_blocks => l_unused_blocks,
unused_bytes => l_unused_bytes,
LAST_USED_EXTENT_FILE_ID => l_LastUsedExtFileId,
LAST_USED_EXTENT_BLOCK_ID => l_LastUsedExtBlockId,
LAST_USED_BLOCK => l_LAST_USED_BLOCK );

if p_space = 'MANUAL' or (p_space <> 'auto' and p_space <> 'AUTO') then
dbms_space.free_blocks
( segment_owner => p_owner,
segment_name => p_segname,
segment_type => p_type,
freelist_group_id => 0,
free_blks => l_free_blks );

p( 'Free Blocks', l_free_blks );
end if;

p( 'Total Blocks', l_total_blocks );
p( 'Total Bytes', l_total_bytes );
p( 'Unused Blocks', l_unused_blocks );
p( 'Unused Bytes', l_unused_bytes );
p( 'Last Used Ext FileId', l_LastUsedExtFileId );
p( 'Last Used Ext BlockId', l_LastUsedExtBlockId );
p( 'Last Used Block', l_LAST_USED_BLOCK );


/*IF the segment is analyzed */
if p_analyzed = 'Y' then
dbms_space.space_usage(segment_owner => p_owner ,
segment_name => p_segname ,
segment_type => p_type ,
unformatted_blocks => l_unformatted_blocks ,
unformatted_bytes => l_unformatted_bytes,
fs1_blocks => l_fs1_blocks,
fs1_bytes => l_fs1_bytes ,
fs2_blocks => l_fs2_blocks,
fs2_bytes => l_fs2_bytes,
fs3_blocks => l_fs3_blocks ,
fs3_bytes => l_fs3_bytes,
fs4_blocks => l_fs4_blocks,
fs4_bytes => l_fs4_bytes,
full_blocks => l_full_blocks,
full_bytes => l_full_bytes);
dbms_output.put_line(rpad(' ',50,'*'));
dbms_output.put_line('The segment is analyzed');
p( '0% -- 25% free space blocks', l_fs1_blocks);
p( '0% -- 25% free space bytes', l_fs1_bytes);
p( '25% -- 50% free space blocks', l_fs2_blocks);
p( '25% -- 50% free space bytes', l_fs2_bytes);
p( '50% -- 75% free space blocks', l_fs3_blocks);
p( '50% -- 75% free space bytes', l_fs3_bytes);
p( '75% -- 100% free space blocks', l_fs4_blocks);
p( '75% -- 100% free space bytes', l_fs4_bytes);
p( 'Unused Blocks', l_unformatted_blocks );
p( 'Unused Bytes', l_unformatted_bytes );
p( 'Total Blocks', l_full_blocks);
p( 'Total bytes', l_full_bytes);

end if;

end;


ASSM 类型的 表

SQL> exec show_space('t','auto');
Total Blocks............................512
Total Bytes.............................4194304
Unused Blocks...........................78
Unused Bytes............................638976
Last Used Ext FileId....................9
Last Used Ext BlockId...................25608
Last Used Block.........................50

PL/SQL procedure successfully completed.


ASSM 类型的索引


SQL> exec show_space('t_index','auto','i');
Total Blocks............................80
Total Bytes.............................655360
Unused Blocks...........................5
Unused Bytes............................40960
Last Used Ext FileId....................9
Last Used Ext BlockId...................25312
Last Used Block.........................3

PL/SQL procedure successfully completed.


对analyze 过的segment 可以这样

SQL> exec show_space('t','auto','T','Y');
Total Blocks............................512
Total Bytes.............................4194304
Unused Blocks...........................78
Unused Bytes............................638976
Last Used Ext FileId....................9
Last Used Ext BlockId...................25608
Last Used Block.........................50
*************************************************
The segment is analyzed
0% -- 25% free space blocks.............0
0% -- 25% free space bytes..............0
25% -- 50% free space blocks............0
25% -- 50% free space bytes.............0
50% -- 75% free space blocks............0
50% -- 75% free space bytes.............0
75% -- 100% free space blocks...........0
75% -- 100% free space bytes............0
Unused Blocks...........................0
Unused Bytes............................0
Total Blocks............................418
Total bytes.............................3424256

PL/SQL procedure successfully completed.

prada_gu

果然是无敌版啊,  

xzh2001

19:21:03 SQL> exec show_space('AAA');
BEGIN show_space('AAA'); END;

*
ERROR at line 1:
ORA-01031: insufficient privileges
ORA-06512: at "SYS.DBMS_SPACE", line 74
ORA-06512: at "SYS.SHOW_SPACE", line 22
ORA-06512: at line 1

grassbell

最初由 xzh2001 发布
[B]19:21:03 SQL> exec show_space('AAA');
BEGIN show_space('AAA'); END;

*
ERROR at line 1:
ORA-01031: insufficient privileges
ORA-06512: at "SYS.DBMS_SPACE", line 74
ORA-06512: at "SYS.SHOW_SPACE", line 22
ORA-06512: at line 1 [/B]

grant execute on show_space to public;

xzh2001

19:44:13 SQL> conn /as sysdba
Connected.
19:44:42 SQL> set serveroutput on
19:44:58 SQL> exec show_space('DONNY');
Free Blocks.............................0
Total Blocks............................8
Total Bytes.............................65536
Unused Blocks...........................7
Unused Bytes............................57344
Last Used Ext FileId....................1
Last Used Ext BlockId...................24689
Last Used Block.........................1

PL/SQL procedure successfully completed.

Elapsed: 00:00:00.01
19:45:13 SQL> grant execute on show_space to public;

Grant succeeded.

Elapsed: 00:00:00.01
19:48:48 SQL> conn scott/tiger
Connected.
19:48:52 SQL> exec show_space('AAA');
BEGIN show_space('AAA'); END;

*
ERROR at line 1:
ORA-01031: insufficient privileges
ORA-06512: at "SYS.DBMS_SPACE", line 74
ORA-06512: at "SYS.SHOW_SPACE", line 22
ORA-06512: at line 1


Elapsed: 00:00:00.01
19:49:01 SQL>

grassbell

没有DBMS_SPACE的权限

xzh2001

最初由 grassbell 发布
[B]没有DBMS_SPACE的权限 [/B]

那应该怎么做?

selina33

grant execute on dbms_space.xxxx to username