Sys建立show_space()和show_space_asm()。
Bisal执行提示：
SQL> exec show_space('MY_OBJECTS', 'BISAL');
BEGIN show_space('MY_OBJECTS', 'BISAL'); END;
*
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00201: identifier 'SHOW_SPACE' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored
Sys用户执行：grant execute on show_space to bisal，bisal还是无法执行。
Sys用户执行：
SQL> create public synonym show_space for sys.show_space;
Synonym created.
SQL> grant execute on show_space to public ;
Grant succeeded.
Bisal执行：
SQL> exec show_space('MY_OBJECTS', 'BISAL');
UNFORMATTED BLOCKS ..................... 0
FS1 BLOCKS (0-25) ...................... 0
FS2 BLOCKS (25-50) ..................... 0
FS3 BLOCKS (50-75) ..................... 18
FS4 BLOCKS (75-100)..................... 122
FULL BLOCKS ............................ 0
TOTAL BLOCKS............................ 256
TOTAL BYTES............................. 2,097,152
TOTAL MBYTES............................ 2
UNUSED BLOCKS........................... 104
UNUSED BYTES............................ 851,968
LAST USED EXT FILEID.................... 5
LAST USED EXT BLOCKID................... 137
LAST USED BLOCK......................... 24
PL/SQL procedure successfully completed.
SQL> exec show_space_assm('MY_OBJECTS', 'BISAL');
free space 0-25% Blocks:................0
free space 25-50% Blocks:...............0
free space 50-75% Blocks:...............18
free space 75-100% Blocks:..............122
Full Blocks:............................0
Unformatted blocks:.....................0
PL/SQL procedure successfully completed.
附TOM大神的show_space和show_space_assm：
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-- -----------------------------------------------------------------------------------
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-- Author : Tom Kyte
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-- Description : Displays free and unused space for the specified object.
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-- Call Syntax : EXEC Show_Space('Tablename');
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-- Requirements : SET SERVEROUTPUT ON
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-- Last Modified: June 22, 2010
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-- This enhance version has all the fixes for ASSM, LMT, partitions etc (Oracle version 10gr2 +)
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-- -----------------------------------------------------------------------------------
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set define off
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create or replace procedure show_space
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( p_segname in varchar2,
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p_owner in varchar2 default user,
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p_type in varchar2 default 'TABLE',
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p_partition in varchar2 default NULL )
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-- this procedure uses authid current user so it can query DBA_*
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-- views using privileges from a ROLE and so it can be installed
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-- once per database, instead of once per user that wanted to use it
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authid current_user
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as
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l_free_blks number;
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l_total_blocks number;
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l_total_bytes number;
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l_unused_blocks number;
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l_unused_bytes number;
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l_LastUsedExtFileId number;
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l_LastUsedExtBlockId number;
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l_LAST_USED_BLOCK number;
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l_segment_space_mgmt varchar2(255);
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l_unformatted_blocks number;
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l_unformatted_bytes number;
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l_fs1_blocks number; l_fs1_bytes number;
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l_fs2_blocks number; l_fs2_bytes number;
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l_fs3_blocks number; l_fs3_bytes number;
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l_fs4_blocks number; l_fs4_bytes number;
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l_full_blocks number; l_full_bytes number;
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-- inline procedure to print out numbers nicely formatted
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-- with a simple label
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procedure p( p_label in varchar2, p_num in number )
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is
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begin
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dbms_output.put_line( rpad(p_label,40,'.') ||
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to_char(p_num,'999,999,999,999') );
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end;
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begin
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-- this query is executed dynamically in order to allow this procedure
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-- to be created by a user who has access to DBA_SEGMENTS/TABLESPACES
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-- via a role as is customary.
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-- NOTE: at runtime, the invoker MUST have access to these two
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-- views!
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-- this query determines if the object is a ASSM object or not
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begin
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execute immediate
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'select ts.segment_space_management
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from dba_segments seg, dba_tablespaces ts
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where seg.segment_name = :p_segname
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and (:p_partition is null or
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seg.partition_name = :p_partition)
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and seg.owner = :p_owner
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and seg.segment_type = :p_type
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and seg.tablespace_name = ts.tablespace_name'
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into l_segment_space_mgmt
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using p_segname, p_partition, p_partition, p_owner, p_type;
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exception
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when too_many_rows then
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dbms_output.put_line
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( 'This must be a partitioned table, use p_partition => ');
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return;
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end;
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-- if the object is in an ASSM tablespace, we must use this API
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-- call to get space information, else we use the FREE_BLOCKS
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-- API for the user managed segments
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if l_segment_space_mgmt = 'AUTO'
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then
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dbms_space.space_usage
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( p_owner, p_segname, p_type, l_unformatted_blocks,
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l_unformatted_bytes, l_fs1_blocks, l_fs1_bytes,
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l_fs2_blocks, l_fs2_bytes, l_fs3_blocks, l_fs3_bytes,
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l_fs4_blocks, l_fs4_bytes, l_full_blocks, l_full_bytes, p_partition);
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p( 'Unformatted Blocks ', l_unformatted_blocks );
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p( 'FS1 Blocks (0-25) ', l_fs1_blocks );
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p( 'FS2 Blocks (25-50) ', l_fs2_blocks );
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p( 'FS3 Blocks (50-75) ', l_fs3_blocks );
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p( 'FS4 Blocks (75-100)', l_fs4_blocks );
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p( 'Full Blocks ', l_full_blocks );
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else
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dbms_space.free_blocks(
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segment_owner => p_owner,
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segment_name => p_segname,
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segment_type => p_type,
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freelist_group_id => 0,
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free_blks => l_free_blks);
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p( 'Free Blocks', l_free_blks );
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end if;
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-- and then the unused space API call to get the rest of the
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-- information
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dbms_space.unused_space
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( segment_owner => p_owner,
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segment_name => p_segname,
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segment_type => p_type,
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partition_name => p_partition,
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total_blocks => l_total_blocks,
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total_bytes => l_total_bytes,
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unused_blocks => l_unused_blocks,
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unused_bytes => l_unused_bytes,
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LAST_USED_EXTENT_FILE_ID => l_LastUsedExtFileId,
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LAST_USED_EXTENT_BLOCK_ID => l_LastUsedExtBlockId,
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LAST_USED_BLOCK => l_LAST_USED_BLOCK );
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p( 'Total Blocks', l_total_blocks );
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p( 'Total Bytes', l_total_bytes );
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p( 'Total MBytes', trunc(l_total_bytes/1024/1024) );
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p( 'Unused Blocks', l_unused_blocks );
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p( 'Unused Bytes', l_unused_bytes );
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p( 'Last Used Ext FileId', l_LastUsedExtFileId );
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p( 'Last Used Ext BlockId', l_LastUsedExtBlockId );
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p( 'Last Used Block', l_LAST_USED_BLOCK );
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end;
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/
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set define on
create or replace procedure show_space_assm(
p_segname in varchar2,
p_owner in varchar2 default user,
p_type in varchar2 default 'TABLE' )
as
l_fs1_bytes number;
l_fs2_bytes number;
l_fs3_bytes number;
l_fs4_bytes number;
l_fs1_blocks number;
l_fs2_blocks number;
l_fs3_blocks number;
l_fs4_blocks number;
l_full_bytes number;
l_full_blocks number;
l_unformatted_bytes number;
l_unformatted_blocks 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
dbms_space.space_usage(
segment_owner => p_owner,
segment_name => p_segname,
segment_type => p_type,
fs1_bytes => l_fs1_bytes,
fs1_blocks => l_fs1_blocks,
fs2_bytes => l_fs2_bytes,
fs2_blocks => l_fs2_blocks,
fs3_bytes => l_fs3_bytes,
fs3_blocks => l_fs3_blocks,
fs4_bytes => l_fs4_bytes,
fs4_blocks => l_fs4_blocks,
full_bytes => l_full_bytes,
full_blocks => l_full_blocks,
unformatted_blocks => l_unformatted_blocks,
unformatted_bytes => l_unformatted_bytes);
p('free space 0-25% Blocks:',l_fs1_blocks);
p('free space 25-50% Blocks:',l_fs2_blocks);
p('free space 50-75% Blocks:',l_fs3_blocks);
p('free space 75-100% Blocks:',l_fs4_blocks);
p('Full Blocks:',l_full_blocks);
p('Unformatted blocks:',l_unformatted_blocks);
end;
/
