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oracle [2025/04/22 12:55] – mduerschoracle [2026/07/14 10:24] (current) – [Dataguard related] mduersch
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 ====== ORACLE ====== ====== ORACLE ======
 +
 +
 +==== EMCC ====
 +
 +  oracle@mytesthost:/oracle/product/agent/agent_24.1.0.0.0/bin # ./emctl control agent runCollection mytesthost:host   DiscoverTargets
 +  Oracle Enterprise Manager 24ai Release 1
 +  Copyright (c) 1996, 2024 Oracle Corporation.  All rights reserved.
 +  ---------------------------------------------------------------
 +  EMD runCollection completed successfully
 +
 +  oracle@mytesthost:/oracle/product/agent/agent_24.1.0.0.0/bin # ./emctl upload agent
 +  Oracle Enterprise Manager 24ai Release 1
 +  Copyright (c) 1996, 2024 Oracle Corporation.  All rights reserved.
 +  ---------------------------------------------------------------
 +  EMD upload completed successfully
 +
 +==== CDB PDB ====
 +
 +Befehle 
 +  SHOW CON_NAME
 +  ALTER SESSION SET CONTAINER=pdb1;
 +  SELECT NAME, CON_ID, DBID, CON_UID, GUID FROM V$CONTAINERS ORDER BY CON_ID; 
 +  SELECT PDB_ID, PDB_NAME, STATUS FROM DBA_PDBS ORDER BY PDB_ID;
 +  SELECT NAME, OPEN_MODE, RESTRICTED, OPEN_TIME FROM V$PDBS;
 +
 +==== ACLs ====
 +
 +ACLs abfragen:
 +
 +  SET LINESIZE 150
 +  COLUMN host FORMAT A40
 +  COLUMN acl FORMAT A50
 +  SELECT host, lower_port, upper_port, acl
 +  FROM   dba_network_acls
 +  ORDER BY host;
 +
 +
 +
 +  SET LINESIZE 150
 +  COLUMN acl FORMAT A50
 +  COLUMN principal FORMAT A20
 +  COLUMN privilege FORMAT A10
 +  SELECT acl,
 +       principal,
 +       privilege,
 +       is_grant,
 +       TO_CHAR(start_date, 'DD-MON-YYYY') AS start_date,
 +       TO_CHAR(end_date, 'DD-MON-YYYY') AS end_date
 +  FROM   dba_network_acl_privileges
 +  ORDER BY acl, principal, privilege;
 +
 +Source: https://oracle-base.com/articles/12c/fine-grained-access-to-network-services-enhancements-12cr1
 +==== Spool ====
 +
 +Spool output as csv
 +
 +  connect <user>
 +  set markup csv on;
 +  spool /tmp/data.out
 +  select * from <table>;
 +  spool off;
  
 ==== Sessions ==== ==== Sessions ====
Line 30: Line 91:
          or network_service_banner like '%Crypto-checksumming service adapter%')          or network_service_banner like '%Crypto-checksumming service adapter%')
   and TYPE <> 'BACKGROUND';    and TYPE <> 'BACKGROUND'; 
 +
 +==== Audit Trail ====
 +
 +  SELECT os_username AS "OS User", 
 +       username AS "DB User", 
 +       userhost AS "Machine", 
 +       timestamp AS "Date", 
 +       returncode AS "Error Code"  
 +  FROM dba_audit_session 
 +  WHERE returncode != 0 ORDER BY timestamp DESC;  
  
 ==== Grants by User ==== ==== Grants by User ====
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   expdp -help   expdp -help
    
 +==== Tables ====
  
 +size of table 
  
-==== Tablesoace Usage ====+   SELECT SUM(bytes)/1024/1024 AS "Table Size (MB)" FROM user_segments WHERE segment_name='&tablename'; 
 + 
 +==== Tablespace Usage ====
  
    select sum(round(bytes/1024/1024/1024)) as Summe_Size_GB, sum(round(MAXBYTES/1024/1024/1024)) as Summe_Max_Size_GB from dba_data_files where TABLESPACE_NAME='DATA';     select sum(round(bytes/1024/1024/1024)) as Summe_Size_GB, sum(round(MAXBYTES/1024/1024/1024)) as Summe_Max_Size_GB from dba_data_files where TABLESPACE_NAME='DATA'; 
Line 174: Line 249:
 ==== Sessions (to kill?) ==== ==== Sessions (to kill?) ====
  
-set lines 200 +  set lines 200 
-set pages 999+  set pages 999
  
   col username for a12   col username for a12
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   ,OSUSER,MACHINE, substr(PROGRAM,1,32) PROGRAM, to_char(LOGON_TIME,'DD.MM.yyyy HH24:MI:SS')LOGON_TIME   ,OSUSER,MACHINE, substr(PROGRAM,1,32) PROGRAM, to_char(LOGON_TIME,'DD.MM.yyyy HH24:MI:SS')LOGON_TIME
    from gv$session    from gv$session
-   where type='USER' +   where type='USER'; 
 + 
 +   # Danach ggf:    
 +   ALTER SYSTEM KILL SESSION 'sid,serial#';
  
 ==== AWR ==== ==== AWR ====
Line 305: Line 383:
 ==== Dataguard related ==== ==== Dataguard related ====
  
 +   SELECT DEST_ID, DESTINATION, STATUS, GAP_STATUS, ARCHIVED_THREAD#, ARCHIVED_SEQ#, APPLIED_THREAD#, APPLIED_SEQ#, FROM V$ARCHIVE_DEST_STATUS WHERE STATUS <> 'INACTIVE'
 +  
    select database_role, open_mode from v$database;    select database_role, open_mode from v$database;
    select processm, status, sequence# from v$managed_standby;    select processm, status, sequence# from v$managed_standby;
Line 322: Line 402:
    select * from v$block_change_tracking;     select * from v$block_change_tracking; 
    select dest_id, destination, status, error, transmit_mode from v$archive_dest where destination is not null;    select dest_id, destination, status, error, transmit_mode from v$archive_dest where destination is not null;
 +
 +   # Anfragen
 +   col DB_UNIQUE_NAME for a10
 +   col OPEN_MODE for a20
 +   col DATABASE_ROLE for a20
 +   col LOG_MODE for a10
 +   set lines 200
 +   select DBID,NAME,LOG_MODE,OPEN_MODE,DATABASE_ROLE,SWITCHOVER_STATUS,DB_UNIQUE_NAME,RESETLOGS_TIME from V$database;
 +
 +   # Transport log
 +   select process, pid, status from v$managed_standby where process='RFS';
 +
 +
 +
    # Paramter abfragen    # Paramter abfragen
    ==========================    ==========================
Line 515: Line 609:
    select LOG_MODE from v$database;    select LOG_MODE from v$database;
    select name from V$database;    select name from V$database;
 +   # flashbackquery
 +   select count(1) from somewhere 
 +                 AS OF TIMESTAMP TO_TIMESTAMP('2025-12-12 16:00', 'YYYY-MM-DD HH24:MI:SS') 
 +           where 
 +                 something is NULL;
  
 ==== GRANTS ==== ==== GRANTS ====
oracle.1745326546.txt.gz · Last modified: by mduersch