set lines 299
SELECT TO_CHAR(TRUNC(FIRST_TIME),’Mon DD’) “DG Date”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’00’,1,0)),’9999′) “12AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’01’,1,0)),’9999′) “01AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’02’,1,0)),’9999′) “02AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’03’,1,0)),’9999′) “03AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’04’,1,0)),’9999′) “04AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’05’,1,0)),’9999′) “05AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’06’,1,0)),’9999′) “06AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’07’,1,0)),’9999′) “07AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’08’,1,0)),’9999′) “08AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’09’,1,0)),’9999′) “09AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’10’,1,0)),’9999′) “10AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’11’,1,0)),’9999′) “11AM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’12’,1,0)),’9999′) “12PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’13’,1,0)),’9999′) “1PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’14’,1,0)),’9999′) “2PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’15’,1,0)),’9999′) “3PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’16’,1,0)),’9999′) “4PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’17’,1,0)),’9999′) “5PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’18’,1,0)),’9999′) “6PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’19’,1,0)),’9999′) “7PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’20’,1,0)),’9999′) “8PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’21’,1,0)),’9999′) “9PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’22’,1,0)),’9999′) “10PM”,
TO_CHAR(SUM(DECODE(TO_CHAR(FIRST_TIME,’HH24′),’23’,1,0)),’9999′) “11PM”
FROM V$LOG_HISTORY
GROUP BY TRUNC(FIRST_TIME)
ORDER BY TRUNC(FIRST_TIME) DESC
/

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— Reference metalink id – 332494.1
— Save as duplicate.sql and run as @duplicate.sql
REM This is an example SQL*Plus Script to detect duplicate rows from
REM a table.
REM
set echo off
set verify off heading off
undefine t
undefine c
prompt
prompt
prompt Enter name of table with duplicate rows
prompt
accept t prompt ‘Table: ‘
prompt
select ‘Table ‘||upper(‘&&t’) from dual;
describe &&t
prompt
prompt Enter name(s) of column(s) which should be unique. If more than
prompt one column is specified, you MUST separate with commas.
prompt
accept c prompt ‘Column(s): ‘
prompt
select &&c from &&t
where rowid not in (select min(rowid) from &&t group by &&c)
/

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select to_char(creation_time, ‘MM-RRRR’) “Month”, sum(bytes)/1024/1024/1024 “Growth in GB
from sys.v_$datafile
where to_char(creation_time,’RRRR’)=’&YEAR_IN_YYYY_FORMAT’
group by to_char(creation_time, ‘MM-RRRR’)
order by to_char(creation_time, ‘MM-RRRR’);

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select to_char(creation_time, ‘MM-RRRR’) “Month”, sum(bytes)/1024/1024/1024 “Growth in GB
from sys.v_$datafile
where to_char(creation_time,’RRRR’)=’&YEAR_IN_YYYY_FORMAT’
group by to_char(creation_time, ‘MM-RRRR’)
order by to_char(creation_time, ‘MM-RRRR’);

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select ‘alter database datafile’||’ ”’||file_name||””||’ resize ‘||round(highwater+2)||’ ‘||’m’||’;’ from (
select /+ rule */
a.tablespace_name,
a.file_name,
a.bytes/1024/1024 file_size_MB,
(b.maximum+c.blocks-1)d.db_block_size/1024/1024 highwater
from dba_data_files a ,
(select file_id,max(block_id) maximum
from dba_extents
group by file_id) b,
dba_extents c,
(select value db_block_size
from v$parameter
where name=’db_block_size’) d
where a.file_id= b.file_id
and c.file_id = b.file_id
and c.block_id = b.maximum
order by a.tablespace_name,a.file_name);

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select to_char(startup_time, ‘DD-MM-YYYY HH24:MI:SS’),floor(sysdate-startup_time) DAYS from v$Instance;

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— Get current scn value:
select current_scn from v$database;
— Get scn value at particular time:
select timestamp_to_scn(’26-FEB-21:05:10:00′) from dual;
— Get timestamp from scn:
select scn_to_timestamp(298411441)from dual;

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select SNAP_ID, BEGIN_INTERVAL_TIME, END_INTERVAL_TIME
from dba_hist_snapshot
where trunc(BEGIN_INTERVAL_TIME)=trunc(sysdate-&no)
order by 1;

CREATE OR REPLACE DIRECTORY awr_reports_dir AS ‘/tmp/awrreports’;

DECLARE
— Adjust before use.
l_snap_start NUMBER := 4884; –Specify Initial Snap ID
l_snap_end NUMBER := 4892; –Specify End Snap ID
l_dir VARCHAR2(50) := ‘AWR_REPORTS_DIR’;

l_last_snap NUMBER := NULL;
l_dbid v$database.dbid%TYPE;
l_instance_number v$instance.instance_number%TYPE;
l_file UTL_FILE.file_type;
l_file_name VARCHAR(50);

BEGIN
SELECT dbid
INTO l_dbid
FROM v$database;

SELECT instance_number
INTO l_instance_number
FROM v$instance;

FOR cur_snap IN (SELECT snap_id
FROM dba_hist_snapshot
WHERE instance_number = l_instance_number
AND snap_id BETWEEN l_snap_start AND l_snap_end
ORDER BY snap_id)
LOOP
IF l_last_snap IS NOT NULL THEN
l_file := UTL_FILE.fopen(l_dir, ‘awr_’ || l_last_snap || ‘_’ || cur_snap.snap_id || ‘.html’, ‘w’, 32767);

FOR cur_rep IN (SELECT output
FROM TABLE(DBMS_WORKLOAD_REPOSITORY.awr_report_html(l_dbid, l_instance_number, l_last_snap, cur_snap.snap_id)))
LOOP
UTL_FILE.put_line(l_file, cur_rep.output);
END LOOP;
UTL_FILE.fclose(l_file);
END IF;
l_last_snap := cur_snap.snap_id;
END LOOP;

EXCEPTION
WHEN OTHERS THEN
IF UTL_FILE.is_open(l_file) THEN
UTL_FILE.fclose(l_file);

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SELECT le.leseq “Current log sequence No”,
100*cp.cpodr_bno/le.lesiz “Percent Full”,
cp.cpodr_bno “Current Block No”,
le.lesiz “Size of Log in Blocks”
FROM x$kcccp cp, x$kccle le
WHERE le.leseq =CP.cpodr_seq
AND bitand(le.leflg,24) = 8
/

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set pagesize 200
set lines 200
col db_link for a19
set long 999
SELECT db_link,
owner_id,
logged_on,
heterogeneous,
open_cursors,
in_transaction,
update_sent
FROM gv$dblink
ORDER BY db_link;

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