oracle最近執行的sql語句

2017-01-13

oracle 查詢最近執行過的 SQL語句

1、修改日期顯示格式

alter session set nls_date_format=’YYYY-MM-DD HH24:MI:SS’;

2、哪個主機最近執行的sql語句:

SELECT b.sql_text,a.machine,a.username, a.module,c.sofar / totalwork * 100,

c.elapsed_seconds,c.time_remaining

FROM v$session a, v$sqlarea b, v$session_longops c

WHERE a.sql_hash_value = b.hash_value(+) AND a.SID = c.SID(+)

AND a.serial# = c.serial#(+)

--AND a.sid=139

3、最近的sql語句

SELECT sql_text, last_load_time,LAST_ACTIVE_TIME FROM v$sql WHERE LAST_LOAD_TIME > trunc(sysdate) and last_load_time IS NOT NULL ORDER BY last_load_time DESC;

4、正在執行的sql

SELECT a.sid, a.serial#, b.sql_text

FROM v$session a, v$sqltext b

WHERE a.sql_address = b.address

--AND a.sid = <...>

ORDER BY b.piece

5、select sql_text,last_load_time from v$sql order by last_load_time desc;

6、other

SELECT ? sql_text, last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and sql_text like 'select%' ORDER BY last_load_time DESC;

SELECT ? sql_text, last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and sql_text like 'update%' ORDER BY last_load_time DESC;

SELECT ? sql_text, last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and last_load_time like' 14-06-09%' ORDER BY last_load_time DESC;

7、正在執行的select?a.username,?a.sid,b.SQL_TEXT,?b.SQL_FULLTEXTfrom?v$session?a,?v$sqlarea?bwhere?a.sql_address?=?b.address---執行過的select?b.SQL_TEXT,b.FIRST_LOAD_TIME,b.SQL_FULLTEXTfrom?v$sqlarea?bwhere?b.FIRST_LOAD_TIME?between?'2009-10-15/09:24:47'?and'2009-10-15/09:24:47'?order?by?b.FIRST_LOAD_TIME

8、查找前十條性能差的sql.SELECT?*?FROM?(select?PARSING_USER_ID,EXECUTIONS,SORTS,COMMAND_TYPE,DISK_READS,sql_text?FROM?v$sqlareaorder?BY?disk_reads?DESC?)where?ROWNUM<10?;9、查看占io較大的正在運行的sessionSELECT?se.sid,se.serial#,pr.SPID,se.username,se.status,se.terminal,se.program,se.MODULE,、se.sql_address,st.event,st.p1text,si.physical_reads,si.block_changes?FROM?v$session?se,v$session_wait?st,v$sess_io?si,v$process?pr?WHERE?st.sid=se.sid?AND?st.sid=si.sid?AND?se.PADDR=pr.ADDR?AND?se.sid>6?AND?st.wait_time=0?AND?st.event?NOT?LIKE?'%SQL%'?ORDER?BY?physical_reads?DESC

分類：數據庫 | 標簽： sql |

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