2026-03-12 20:23:15
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173
vdh/overview.sql
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173
vdh/overview.sql
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column xdb new_value xxdb noprint
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select to_char(sysdate,'YYYYMMDDhh24miss')||'_'||name xdb from v$database;
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set pagesize 9999
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set linesize 180
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set feedback on
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set trimspool on
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set echo off
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spool overview_&&xxdb..txt
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PROMPT instance_name:
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PROMPT
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select instance_name from v$instance;
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PROMPT date report:
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PROMPT
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select to_char(sysdate, 'DD/MM/YYYY HH24:MI:SS') from dual;
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PROMPT
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PROMPT oracle version:
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PROMPT
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select banner from v$version;
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PROMPT
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PROMPT
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PROMPT tablespace used and free space
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PROMPT
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column dummy noprint
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column pct_used format 999.9 heading "%|Used"
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column name format a16 heading "Tablespace Name"
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column Kbytes format 999,999,999 heading "KBytes"
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column used format 999,999,999 heading "Used"
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column free format 999,999,999 heading "Free"
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column largest format 999,999,999 heading "Largest"
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column max_size format 999,999,999 heading "MaxPoss|Kbytes"
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column pct_max_used format 999.9 heading "%|Max|Used"
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break on report
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compute sum of kbytes on report
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compute sum of free on report
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compute sum of used on report
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select nvl(b.tablespace_name,
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nvl(a.tablespace_name,'UNKOWN')) name,
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kbytes_alloc kbytes,
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kbytes_alloc-nvl(kbytes_free,0) used,
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nvl(kbytes_free,0) free,
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((kbytes_alloc-nvl(kbytes_free,0))/
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kbytes_alloc)*100 pct_used,
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nvl(largest,0) largest
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from ( select sum(bytes)/1024 Kbytes_free,
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max(bytes)/1024 largest,
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tablespace_name
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from sys.dba_free_space
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group by tablespace_name ) a,
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( select sum(bytes)/1024 Kbytes_alloc,
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tablespace_name
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from sys.dba_data_files
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group by tablespace_name )b
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where a.tablespace_name (+) = b.tablespace_name
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order by 1;
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PROMPT
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PROMPT segment within 20 extents of their max extents
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PROMPT
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select tablespace_name, owner, segment_type, segment_name, extents,
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max_extents - extents delta
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from dba_segments
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where max_extents <= extents + 20
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order by tablespace_name, owner, segment_type;
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PROMPT
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PROMPT segments that can't allocate their next extent
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PROMPT
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select A.tablespace_name, max_bytes_free/1024, max_next/1024, (max_next - max_bytes_free)/1024 delta
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from ( select tablespace_name, max(bytes) max_bytes_free
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from dba_free_space
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group by tablespace_name
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) A,
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( select tablespace_name, max(next_extent) max_next
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from dba_segments
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group by tablespace_name
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) B
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where A.tablespace_name = B.tablespace_name
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and B.max_next >= A.max_bytes_free
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order by 1;
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PROMPT
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PROMPT non system objects in system tablespace
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PROMPT
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select owner, count(*) counted, sum(bytes)/1024 kb_used
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from dba_segments
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where tablespace_name = 'SYSTEM'
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and owner not in ('SYSTEM', 'SYS')
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group by owner
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order by owner;
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PROMPT
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PROMPT permanent objects in temporary tablespace
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PROMPT
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select tablespace_name, segment_type, count(*) counted
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from dba_segments
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where tablespace_name in
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( select tablespace_name
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from dba_tablespaces
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where contents = 'TEMPORARY'
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)
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and segment_type != 'TEMPORARY'
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group by tablespace_name, segment_type
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order by tablespace_name, segment_type;
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PROMPT
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PROMPT archived redo logs per day (max last 10 days)
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PROMPT
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column gen_archived_size format 9G999G999D99
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select to_char(completion_time, 'DD/MM/YYYY') day, count(*) switches,
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sum(blocks * block_size)/1024/1024 gen_archived_size
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from v$archived_log
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where first_time >= sysdate - 10
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group by trunc(completion_time), to_char(completion_time, 'DD/MM/YYYY')
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order by trunc(completion_time);
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PROMPT
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PROMPT average per day
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PROMPT
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select to_char(min(dag), 'DD/MM/YYYY HH24:MI:SS') start_day,
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to_char(max(dag) + 1 - 1/(24*60*60), 'DD/MM/YYYY HH24:MI:SS') end_day,
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(max(dag) - min(dag) + 1) days_between,
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to_char(avg(gen_archived_size),'9G999G999D99') avg_archived_per_day
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from ( select trunc(completion_time) dag,
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sum(blocks * block_size)/1024/1024 gen_archived_size
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from v$archived_log
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where months_between(trunc(sysdate), trunc(completion_time)) <= 1
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and completion_time < trunc(sysdate)
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group by trunc(completion_time)
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);
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PROMPT
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PROMPT invalid objects
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PROMPT
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select owner, object_type, count(*) counted
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from dba_objects
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where status = 'INVALID'
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group by owner, object_type
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order by 1,2;
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PROMPT
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PROMPT overview db users:
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PROMPT
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column temporary_tablespace format a30 heading T_TBS
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column default_tablespace format a30 heading D_TBS
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column account_status format a15 word_wrapped heading STATUS
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colum username format a30
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column created format a12
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column dba format a3
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column ops$ format a4
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select A.username, default_tablespace, temporary_tablespace,
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to_char(created, 'DD/MM/YYYY') created,
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decode(password, 'EXTERNAL', 'Y', 'N') as OPS$,
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decode(B.granted_role, 'DBA', 'Y', 'N') as dba,
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account_status
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from dba_users A,
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( select grantee, granted_role
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from dba_role_privs
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where granted_role = 'DBA'
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) B
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where A.username = B.grantee(+)
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order by A.created;
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spool off
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exit
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