1.查询AWR相关的视图名称
SELECT table_name FROM dba_tables t WHERE table_name LIKE 'WRH$%' AND NOT EXISTS (SELECT 'x' FROM dba_tab_columns c WHERE c.column_name = 'SNAP_ID' AND c.table_name = t.table_name);
2. CPU耗时查询
with AASSTAT as ( select decode(n.wait_class,'User I/O','User I/O', 'Commit','Commit', 'Wait') CLASS, sum(round(m.time_waited/m.INTSIZE_CSEC,3)) AAS, BEGIN_TIME , END_TIME from v$waitclassmetric m, v$system_wait_class n where m.wait_class_id=n.wait_class_id and n.wait_class != 'Idle' group by decode(n.wait_class,'User I/O','User I/O', 'Commit','Commit', 'Wait'), BEGIN_TIME, END_TIME union select 'CPU_ORA_CONSUMED' CLASS, round(value/100,3) AAS, BEGIN_TIME , END_TIME from v$sysmetric where metric_name='CPU Usage Per Sec' and group_id=2 union select 'CPU_OS' CLASS , round((prcnt.busy*parameter.cpu_count)/100,3) AAS, BEGIN_TIME , END_TIME from ( select value busy, BEGIN_TIME,END_TIME from v$sysmetric where metric_name='Host CPU Utilization (%)' and group_id=2 ) prcnt, ( select value cpu_count from v$parameter where name='cpu_count' ) parameter union select 'CPU_ORA_DEMAND' CLASS, nvl(round( sum(decode(session_state,'ON CPU',1,0))/60,2),0) AAS, cast(min(SAMPLE_TIME) as date) BEGIN_TIME , cast(max(SAMPLE_TIME) as date) END_TIME from v$active_session_history ash where SAMPLE_TIME >= (select BEGIN_TIME from v$sysmetric where metric_name='CPU Usage Per Sec' and group_id=2 ) and SAMPLE_TIME < (select END_TIME from v$sysmetric where metric_name='CPU Usage Per Sec' and group_id=2 ) ) select to_char(BEGIN_TIME,'HH:MI:SS') BEGIN_TIME, to_char(END_TIME,'HH:MI:SS') END_TIME, ( decode(sign(CPU_OS-CPU_ORA_CONSUMED), -1, 0, (CPU_OS - CPU_ORA_CONSUMED )) + CPU_ORA_CONSUMED + decode(sign(CPU_ORA_DEMAND-CPU_ORA_CONSUMED), -1, 0, (CPU_ORA_DEMAND - CPU_ORA_CONSUMED ))) CPU_TOTAL, decode(sign(CPU_OS-CPU_ORA_CONSUMED), -1, 0, (CPU_OS - CPU_ORA_CONSUMED )) CPU_OS, CPU_ORA_CONSUMED CPU_ORA, decode(sign(CPU_ORA_DEMAND-CPU_ORA_CONSUMED), -1, 0, (CPU_ORA_DEMAND - CPU_ORA_CONSUMED )) CPU_ORA_WAIT, COMMIT, READIO, WAIT from ( select min(BEGIN_TIME) BEGIN_TIME, max(END_TIME) END_TIME, sum(decode(CLASS,'CPU_ORA_CONSUMED',AAS,0)) CPU_ORA_CONSUMED, sum(decode(CLASS,'CPU_ORA_DEMAND' ,AAS,0)) CPU_ORA_DEMAND, sum(decode(CLASS,'CPU_OS' ,AAS,0)) CPU_OS, sum(decode(CLASS,'Commit' ,AAS,0)) COMMIT, sum(decode(CLASS,'User I/O' ,AAS,0)) READIO, sum(decode(CLASS,'Wait' ,AAS,0)) WAIT from AASSTAT)
3. 等待事件信息
select sid sw_sid, CASE WHEN state != 'WAITING' THEN 'WORKING' ELSE 'WAITING' END AS state, CASE WHEN state != 'WAITING' THEN 'On CPU / runqueue' ELSE event END AS sw_event, seq#, seconds_in_wait sec_in_wait, CASE state WHEN 'WAITING' THEN NVL2(p1text,p1text||'= ',null)||CASE WHEN P1 < 536870912 THEN to_char(P1) ELSE '0x'||rawtohex(P1RAW) END ELSE null END SW_P1, CASE state WHEN 'WAITING' THEN NVL2(p2text,p2text||'= ',null)||CASE WHEN P2 < 536870912 THEN to_char(P2) ELSE '0x'||rawtohex(P2RAW) END ELSE null END SW_P2, CASE state WHEN 'WAITING' THEN NVL2(p3text,p3text||'= ',null)||CASE WHEN P3 < 536870912 THEN to_char(P3) ELSE '0x'||rawtohex(P3RAW) END ELSE null END SW_P3, CASE state WHEN 'WAITING' THEN CASE WHEN event like 'cursor:%' THEN '0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX')) WHEN (event like 'enq%' OR event = 'DFS lock handle') AND state = 'WAITING' THEN '0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX'))||': '|| chr(bitand(p1, -16777216)/16777215)|| chr(bitand(p1,16711680)/65535)|| ' mode '||bitand(p1, power(2,14)-1) WHEN event like 'latch%' AND state = 'WAITING' THEN '0x'||trim(to_char(p1, 'XXXXXXXXXXXXXXXX'))||': '||( select name||'[par' from v$latch_parent where addr = hextoraw(trim(to_char(p1,rpad('0',length(rawtohex(addr)),'X')))) union all select name||'[c'||child#||']' from v$latch_children where addr = hextoraw(trim(to_char(p1,rpad('0',length(rawtohex(addr)),'X')))) ) WHEN event like 'library cache pin' THEN '0x'||RAWTOHEX(p1raw) ELSE NULL END ELSE NULL END AS sw_p1transl FROM v$session_wait ORDER BY state, sw_event, p1, p2, p3;
4. 查询当前监听的连接信息
SELECT host_short || '.' || sid || '= (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = ' || hostname || ')(PORT = ' || port || ')) (CONNECT_DATA = (SERVER = DEDICATED) ' || CASE WHEN instr(service_name, 'XDB') > 0 THEN NULL ELSE '(SERVICE_NAME = ' || service_name || ')' END || '(SID = ' || SID || ') )) ' FROM (SELECT --target_name, UPPER(host_name) hostname ,UPPER(SUBSTR(t.host_name, 1, INSTR(t.host_name, '.') - 1)) HOST_SHORT ,(SUBSTR(t.host_name ,INSTR(t.host_name, '.') + 1 ,LENGTH(t.host_name))) DOMAIN ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'Port' AND p.target_guid = t.target_guid) port ,'sys/anything@' || host_name || ':' || (SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'Port' AND p.target_guid = t.target_guid) || '/' || (SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'ServiceName' AND p.target_guid = t.target_guid) || ' as sysdba' Connection_string ,(SELECT tp.property_value FROM mgmt$target_properties tp WHERE tp.target_type = 'host' AND tp.property_name = 'IP_address' AND tp.target_name = t.host_name) ip ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'DBVersion' AND p.target_guid = t.target_guid) DB_Version ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'OracleHome' AND p.target_guid = t.target_guid) oh ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'ServiceName' AND p.target_guid = t.target_guid) Service_name ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'log_archive_mode' AND p.target_guid = t.target_guid) logmode ,UPPER((SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'SID' AND p.target_guid = t.target_guid)) sid ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'CPUCount' AND p.target_guid = t.target_guid) CPU ,ROUND(SYSDATE - TO_DATE((SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'StartTime' AND p.target_guid = t.target_guid) ,'YYYY-MM-DD HH24:MI:SS') ,0) Days_Uptime ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'StartTime' AND p.target_guid = t.target_guid) Uptime ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'VersionCategory' AND p.target_guid = t.target_guid) VersionCategory ,(SELECT p.property_value FROM mgmt$target_properties p WHERE p.property_name = 'VersionBanner' AND p.target_guid = t.target_guid) VersionBanner ,CASE WHEN (INSTR((SELECT UPPER(p.property_value) FROM mgmt$target_properties p WHERE p.property_name = 'VersionBanner' AND p.target_guid = t.target_guid) ,'ENTERPRISE')) > 0 THEN 'Enterprise' ELSE 'Standard/Standard One' END Edition ,(SELECT b.VALUE FROM MGMT$ECM_VISIBLE_SNAPSHOTS A ,SYSMAN.MGMT_DB_INIT_PARAMS_ECM B WHERE A.ECM_SNAPSHOT_ID = B.ECM_SNAPSHOT_ID AND a.TARGET_TYPE = 'oracle_database' AND b.name = 'control_file_record_keep_time' AND a.target_guid = t.target_guid) control_file_record_keep_time ,(SELECT b.VALUE FROM MGMT$ECM_VISIBLE_SNAPSHOTS A ,SYSMAN.MGMT_DB_INIT_PARAMS_ECM B WHERE A.ECM_SNAPSHOT_ID = B.ECM_SNAPSHOT_ID AND a.TARGET_TYPE = 'oracle_database' AND b.name = 'optimizer_features_enable' AND a.target_guid = t.target_guid) optimizer_features_enable ,(SELECT ROUND(b.VALUE / 1024 / 1024 / 1024, 2) FROM MGMT$ECM_VISIBLE_SNAPSHOTS A ,SYSMAN.MGMT_DB_INIT_PARAMS_ECM B WHERE A.ECM_SNAPSHOT_ID = B.ECM_SNAPSHOT_ID AND a.TARGET_TYPE = 'oracle_database' AND b.name = 'memory_target' AND a.target_guid = t.target_guid) memory_target ,(SELECT sessions_highwater FROM MGMT$ECM_VISIBLE_SNAPSHOTS A ,SYSMAN.MGMT_DB_license_ECM B WHERE A.ECM_SNAPSHOT_ID = B.ECM_SNAPSHOT_ID AND TARGET_TYPE = 'oracle_database' AND a.target_guid = t.target_guid) sessions_highwater ,(SELECT sessions_current FROM MGMT$ECM_VISIBLE_SNAPSHOTS A ,SYSMAN.MGMT_DB_license_ECM B WHERE A.ECM_SNAPSHOT_ID = B.ECM_SNAPSHOT_ID AND TARGET_TYPE = 'oracle_database' AND a.target_guid = t.target_guid) sessions_current FROM mgmt$target t WHERE t.target_type IN ('oracle_database')) Raw_data ORDER BY host_short ,sid;
更多的DBA脚本见一老外的BLOG: http://www.idevelopment.info/cgi/ORACLE_dba_scripts.cgi