SQL History:
All in one:
set lines 1000 pages 9999
COL instance_number FOR 9999 HEA 'Inst';
COL end_time HEA 'End Time';
COL plan_hash_value HEA 'Plan|Hash Value';
COL executions_total FOR 999,999 HEA 'Execs|Total';
COL rows_per_exec HEA 'Rows Per Exec';
COL et_secs_per_exec HEA 'Elap Secs|Per Exec';
COL cpu_secs_per_exec HEA 'CPU Secs|Per Exec';
COL io_secs_per_exec HEA 'IO Secs|Per Exec';
COL cl_secs_per_exec HEA 'Clus Secs|Per Exec';
COL ap_secs_per_exec HEA 'App Secs|Per Exec';
COL cc_secs_per_exec HEA 'Conc Secs|Per Exec';
COL pl_secs_per_exec HEA 'PLSQL Secs|Per Exec';
COL ja_secs_per_exec HEA 'Java Secs|Per Exec';
SELECT 'gv$dba_hist_sqlstat' source,h.instance_number,
TO_CHAR(CAST(s.begin_interval_time AS DATE), 'DD-MM-YYYY HH24:MI') snap_time,
TO_CHAR(CAST(s.end_interval_time AS DATE), 'DD-MM-YYYY HH24:MI') end_time,
h.sql_id,
h.plan_hash_value,
h.executions_total,
TO_CHAR(ROUND(h.rows_processed_total / h.executions_total), '999,999,999,999') rows_per_exec,
TO_CHAR(ROUND(h.elapsed_time_total / h.executions_total / 1e6, 3), '999,990.000') et_secs_per_exec,
TO_CHAR(ROUND(h.cpu_time_total / h.executions_total / 1e6, 3), '999,990.000') cpu_secs_per_exec,
TO_CHAR(ROUND(h.iowait_total / h.executions_total / 1e6, 3), '999,990.000') io_secs_per_exec,
TO_CHAR(ROUND(h.clwait_total / h.executions_total / 1e6, 3), '999,990.000') cl_secs_per_exec,
TO_CHAR(ROUND(h.apwait_total / h.executions_total / 1e6, 3), '999,990.000') ap_secs_per_exec,
TO_CHAR(ROUND(h.ccwait_total / h.executions_total / 1e6, 3), '999,990.000') cc_secs_per_exec,
TO_CHAR(ROUND(h.plsexec_time_total / h.executions_total / 1e6, 3), '999,990.000') pl_secs_per_exec,
TO_CHAR(ROUND(h.javexec_time_total / h.executions_total / 1e6, 3), '999,990.000') ja_secs_per_exec
FROM dba_hist_sqlstat h, dba_hist_snapshot s WHERE h.sql_id = '&sql_id'
AND h.executions_total > 0 AND s.snap_id = h.snap_id
AND s.dbid = h.dbid AND s.instance_number = h.instance_number
UNION ALL
SELECT 'gv$sqlarea_plan_hash' source,h.inst_id,
TO_CHAR(sysdate, 'DD-MM-YYYY HH24:MI') snap_time,
TO_CHAR(sysdate, 'DD-MM-YYYY HH24:MI') end_time,
h.sql_id, h.plan_hash_value, h.executions,
TO_CHAR(ROUND(h.rows_processed / h.executions), '999,999,999,999') rows_per_exec,
TO_CHAR(ROUND(h.elapsed_time / h.executions / 1e6, 3), '999,990.000') et_secs_per_exec,
TO_CHAR(ROUND(h.cpu_time / h.executions / 1e6, 3), '999,990.000') cpu_secs_per_exec,
TO_CHAR(ROUND(h.USER_IO_WAIT_TIME / h.executions / 1e6, 3), '999,990.000') io_secs_per_exec,
TO_CHAR(ROUND(h.CLUSTER_WAIT_TIME / h.executions / 1e6, 3), '999,990.000') cl_secs_per_exec,
TO_CHAR(ROUND(h.APPLICATION_WAIT_TIME / h.executions / 1e6, 3), '999,990.000') ap_secs_per_exec,
TO_CHAR(ROUND(h.CLUSTER_WAIT_TIME / h.executions / 1e6, 3), '999,990.000') cc_secs_per_exec,
TO_CHAR(ROUND(h.PLSQL_EXEC_TIME / h.executions / 1e6, 3), '999,990.000') pl_secs_per_exec,
TO_CHAR(ROUND(h.JAVA_EXEC_TIME / h.executions / 1e6, 3), '999,990.000') ja_secs_per_exec
FROM gv$sqlarea_plan_hash h
WHERE h.sql_id = '&&sql_id'
AND h.executions > 0
order by source ;
AWR DATA:
set lines 1000 pages 9999
COL instance_number FOR 9999 HEA 'Inst';
COL end_time HEA 'End Time';
COL plan_hash_value HEA 'Plan|Hash Value';
COL executions_total FOR 999,999 HEA 'Execs|Total';
COL rows_per_exec HEA 'Rows Per Exec';
COL et_secs_per_exec HEA 'Elap Secs|Per Exec';
COL cpu_secs_per_exec HEA 'CPU Secs|Per Exec';
COL io_secs_per_exec HEA 'IO Secs|Per Exec';
COL cl_secs_per_exec HEA 'Clus Secs|Per Exec';
COL ap_secs_per_exec HEA 'App Secs|Per Exec';
COL cc_secs_per_exec HEA 'Conc Secs|Per Exec';
COL pl_secs_per_exec HEA 'PLSQL Secs|Per Exec';
COL ja_secs_per_exec HEA 'Java Secs|Per Exec';
SELECT h.instance_number,
TO_CHAR(CAST(s.begin_interval_time AS DATE), 'DD-MM-YYYY HH24:MI') snap_time,
TO_CHAR(CAST(s.end_interval_time AS DATE), 'DD-MM-YYYY HH24:MI') end_time,
h.sql_id, h.plan_hash_value, h.executions_total,
TO_CHAR(ROUND(h.rows_processed_total / h.executions_total), '999,999,999,999') rows_per_exec,
TO_CHAR(ROUND(h.elapsed_time_total / h.executions_total / 1e6, 3), '999,990.000') et_secs_per_exec,
TO_CHAR(ROUND(h.cpu_time_total / h.executions_total / 1e6, 3), '999,990.000') cpu_secs_per_exec,
TO_CHAR(ROUND(h.iowait_total / h.executions_total / 1e6, 3), '999,990.000') io_secs_per_exec,
TO_CHAR(ROUND(h.clwait_total / h.executions_total / 1e6, 3), '999,990.000') cl_secs_per_exec,
TO_CHAR(ROUND(h.apwait_total / h.executions_total / 1e6, 3), '999,990.000') ap_secs_per_exec,
TO_CHAR(ROUND(h.ccwait_total / h.executions_total / 1e6, 3), '999,990.000') cc_secs_per_exec,
TO_CHAR(ROUND(h.plsexec_time_total / h.executions_total / 1e6, 3), '999,990.000') pl_secs_per_exec,
TO_CHAR(ROUND(h.javexec_time_total / h.executions_total / 1e6, 3), '999,990.000') ja_secs_per_exec
FROM dba_hist_sqlstat h,
dba_hist_snapshot s
WHERE h.sql_id = '&sql_id'
AND h.executions_total > 0
AND s.snap_id = h.snap_id
AND s.dbid = h.dbid
AND s.instance_number = h.instance_number
ORDER BY
s.begin_interval_time,
s.end_interval_time;
AWR-LIO:
col execs for 999,999,999
col avg_etime for 999,999
col avg_lio for 999,999,999
col avg_pio for 999,999,999
col begin_interval_time for a30
col node for 99999
break on plan_hash_value on startup_time skip 1
select ss.snap_id, ss.instance_number node, begin_interval_time, sql_id, plan_hash_value,
nvl(executions_delta,0) execs,
(elapsed_time_delta/decode(nvl(executions_delta,0),0,1,executions_delta))/1000000 avg_etime,
(buffer_gets_delta/decode(nvl(buffer_gets_delta,0),0,1,executions_delta)) avg_lio,
ROUND(disk_reads_delta/DECODE(executions_delta,0,1, executions_delta),1) avg_pio,
ROUND(rows_processed_delta/DECODE(executions_delta,0, 1, executions_delta), 1) avg_rows,
round(px_servers_execs_delta/decode(executions_delta,0,1, executions_delta), 1) avg_px
from DBA_HIST_SQLSTAT S, DBA_HIST_SNAPSHOT SS
where sql_id = nvl('&sql_id','4dqs2k5tynk61')
and ss.snap_id = S.snap_id
and ss.instance_number = S.instance_number
and executions_delta > 0
order by 1, 2, 3
/
To find which is using Current memory:
set linesize 999
col avg_et_secs justify right format 9999999.99
col cost justify right format 9999999999
col timestamp justify center format a25
col parsing_schema_name justify center format a30
col inst_id format 999999999
alter session set nls_date_format='dd-mm-yyyy hh24:mi:ss';
select 'gv$sqlarea_plan_hash' source, INST_ID, SQL_ID, PLAN_HASH_VALUE,
round(elapsed_time/decode(nvl(executions,0),0,1,executions)/1e6/
decode(px_servers_executions,0,1,px_servers_executions)/decode(nvl(executions,0),0,1,executions),2) avg_et_secs,
px_servers_executions/decode(nvl(executions,0),0,1,executions) avg_px,
optimizer_cost cost, LAST_LOAD_TIME timestamp, parsing_schema_name --FIRST_LOAD_TIME, LAST_LOAD_TIME, LAST_ACTIVE_TIME, SQL_PROFILE
from gv$sqlarea_plan_hash
where sql_id = nvl(trim('&sql_id'),sql_id)
UNION
SELECT 'dba_hist_sql_plan' source, null INST_ID, t1.sql_id sql_id, t1.plan_hash_value plan_hash_value, t2.avg_et_secs avg_et_secs, t2.avg_px, t1.cost cost, t1.timestamp timestamp, NULL parsing_schema_name
FROM dba_hist_sql_plan t1,
(
SELECT sql_id, plan_hash_value, --round(SUM(elapsed_time_total)/decode(SUM(executions_total),0,1,SUM(executions_total))/1e6,2) avg_et_secs
round(SUM(elapsed_time_total)/decode(SUM(executions_total),0,1,SUM(executions_total))/1e6/
decode(SUM(px_servers_execs_total),0,1,SUM(px_servers_execs_total))/decode(SUM(executions_total),0,1,SUM(executions_total)),2) avg_et_secs,
SUM(px_servers_execs_total)/decode(SUM(executions_total),0,1,SUM(executions_total)) avg_px
FROM dba_hist_sqlstat
WHERE
executions_total > 0
GROUP BY sql_id, plan_hash_value
) t2
WHERE
t1.sql_id = nvl(TRIM('&sql_id'), t1.sql_id)
AND t1.depth = 0
AND t1.sql_id = t2.sql_id(+)
AND t1.plan_hash_value = t2.plan_hash_value(+)
order by avg_et_secs, cost
/
Identify the Culprit: SQL , SQL TEXT , BIND VARIABLE
col exact_matching_signature for 99999999999999999999999999
col sql_text for a50
select sql_id, exact_matching_signature, SQL_TEXT from v$sqlarea where UPPER(sql_text) like '%DUMMY%' order by UPPER(sql_text);
set long 20000
set lines 750 pages 9999
select sql_text from dba_hist_sqltext where sql_id = '&SQL_ID';
set long 20000
set lines 750 pages 9999
select sql_text from gv$sqlarea where sql_id = '&SQL_ID';
col VALUE_STRING for a50
SELECT NAME,POSITION,DATATYPE_STRING,VALUE_STRING FROM gv$sql_bind_capture WHERE sql_id='&sql_id';
statistics of objects of a specific sql id:
set lines 300 set pages 300
col table_name for a40
col owner for a30
select distinct owner, table_name, STALE_STATS, last_analyzed, stattype_locked
from dba_tab_statistics
where (owner, table_name) in
(select distinct owner, table_name
from dba_tables
where ( table_name)
in ( select object_name
from gv$sql_plan
where upper(sql_id) = upper('&sql_id') and object_name is not null))
--and STALE_STATS='YES'
/
col index_name for a50
SELECT owner, index_name, table_name,last_analyzed, sample_size, num_rows, partitioned, global_stats
FROM dba_indexes
WHERE index_name IN (
select distinct rtrim(substr(plan_table_output, instr(plan_table_output, '|', 1, 3)+2, (instr(plan_table_output, '|', 1, 4)-instr(plan_table_output, '|', 1, 3)-2)), ' ')
from (
SELECT plan_table_output
FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('&sql_id', null, 'BASIC'))
UNION ALL
SELECT * FROM TABLE(dbms_xplan.display_awr('&sql_id', null, null, 'ALL'))
)
where plan_table_output like '%INDEX%'
)
ORDER BY owner, table_name, index_name
/
Sql id current rows, I/O , read/wrire details:
select SQL_ID,PLAN_HASH_VALUE,ELAPSED_TIME,PHYSICAL_READ_BYTES,PHYSICAL_WRITE_BYTES,DISK_READS,DIRECT_WRITES,BUFFER_GETS,ROWS_PROCESSED from v$sqlstats where sql_id='&sql_id';
select sql_text,rows_processed from v$sql
where USERS_EXECUTING>0;
select s.sid, s.serial#, p.spid, s.username, s.program,
t.xidusn, t.used_ublk, t.used_urec, sa.sql_text from
v$process p,v$session s, v$sqlarea sa, v$transaction t
where s.paddr=p.addr
and s.taddr=t.addr
and s.sql_address=sa.address(+)
and s.sql_hash_value=sa.hash_value(+)
order by s.sid
/
exec dbms_stats.flush_database_monitoring_info;
select inserts,updates,deletes from user_tab_modifications where table_name = '&table_name';
Check the progress of DML statements:
col sql_text for a60
SELECT rows_processed "Total Rows Processed",
ROUND((SYSDATE - TO_DATE(first_load_time, 'yyyy-mm-dd hh24:mi:ss')) * 24 * 60, 1) "Total Time (Min)",
TRUNC(rows_processed /((SYSDATE - TO_DATE(first_load_time, 'yyyy-mm-dd hh24:mi:ss')) * 24 * 60)) "Rows/Min",
TRUNC(rows_processed /((SYSDATE - TO_DATE(first_load_time, 'yyyy-mm-dd hh24:mi:ss')) * 24 * 60 * 60)) "Rows/Sec" , SUBSTR(sql_text, 1, 60) sql_text
FROM gv$sqlarea
WHERE SQL_ID='&SQL_ID'
AND open_versions > 0
AND rows_processed > 0;
Detailed history of SQL_ID:
select instance_number inst_id,SESSION_ID,USER_ID,PROGRAM,sql_id,SQL_CHILD_NUMBER,sql_plan_hash_value,to_char (sql_exec_start, 'dd-Mon-yyyy hh24:mi:ss') sql_exec_start from
dba_hist_active_sess_history where
sql_id='&sql_id';
select sql_id,
starting_time,
end_time,
(EXTRACT(HOUR FROM run_time) * 3600
+ EXTRACT(MINUTE FROM run_time) * 60
+ EXTRACT(SECOND FROM run_time))/60 run_time_MIN,
READ_IO_BYTES,
PGA_ALLOCATED PGA_ALLOCATED_BYTES,
TEMP_ALLOCATED TEMP_ALLOCATED_BYTES
from (
select
sql_id,
max(sample_time - sql_exec_start) run_time,
max(sample_time) end_time,
sql_exec_start starting_time,
sum(DELTA_READ_IO_BYTES) READ_IO_BYTES,
sum(DELTA_PGA) PGA_ALLOCATED,
sum(DELTA_TEMP) TEMP_ALLOCATED
from
(
select sql_id,
sample_time,
sql_exec_start,
DELTA_READ_IO_BYTES,
sql_exec_id,
greatest(PGA_ALLOCATED - first_value(PGA_ALLOCATED) over (partition by sql_id,sql_exec_id order by sample_time rows 1 preceding),0) DELTA_PGA,
greatest(TEMP_SPACE_ALLOCATED - first_value(TEMP_SPACE_ALLOCATED) over (partition by sql_id,sql_exec_id order by sample_time rows 1 preceding),0) DELTA_TEMP
from
dba_hist_active_sess_history
where
sample_time >= trunc(sysdate)
--and sample_time < to_date ('2013/04/16 03:10:00','YYYY/MM/DD HH24:MI:SS')
and sql_exec_start is not null
and IS_SQLID_CURRENT='Y'
)
group by sql_id,SQL_EXEC_ID,sql_exec_start
order by sql_id
)
where sql_id = '&sql_id'
order by sql_id, run_time_MIN desc;
To find Sql Hanging or not:
select sess_io.inst_id,
sess_io.sid,
sesion.sql_id,
sess_io.block_gets,
sess_io.consistent_gets,
sess_io.physical_reads,
sess_io.block_changes,
sess_io.consistent_changes
from gv$sess_io sess_io, gv$session sesion
where sesion.sid = sess_io.sid and
sess_io.inst_id = sesion.inst_id and
sesion.sql_id='&sql_id'
and sesion.username is not null ;
select sess_io.inst_id,
sess_io.sid,
sess_io.block_gets,
sess_io.consistent_gets,
sess_io.physical_reads,
sess_io.block_changes,
sess_io.consistent_changes
from gv$sess_io sess_io, gv$session sesion
where sesion.sid = sess_io.sid and
sess_io.inst_id = sesion.inst_id
and sesion.username is not null ;
SQL to show the full SQL executing for active sessions:
select sesion.sid,sql_text from v$sqltext sqltext, v$session sesion where sesion.sql_hash_value = sqltext.hash_value and sesion.sql_address = sqltext.address and sesion.username is not null
order by sqltext.piece;
select a.sid,b.sql_fulltext from V$Session a, V$SQLAREA b where a.sql_id=b.sql_id and a.status='ACTIVE';
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