DB2 Version 9.7 for Linux, UNIX, and Windows

DBMCFG administrative view - Retrieve database manager configuration parameter information

The DBMCFG administrative view returns database manager configuration parameter information including the values in memory and the values stored on disk.

The schema is SYSIBMADM.

Authorization

One of the following authorizations is required:
  • SELECT privilege on the DBMCFG administrative view
  • CONTROL privilege on the DBMCFG administrative view
  • DATAACCESS authority

Examples

Example 1: Retrieve values for all the database manager configuration parameters stored on disk:
SELECT NAME, DEFERRED_VALUE FROM SYSIBMADM.DBMCFG
The following example is a sample output for this query.
NAME                             DEFERRED_VALUE         
-------------------------------- -------------------...----
agent_stack_sz                   0                      
agentpri                         -1                     
alternate_auth_enc               AES_ONLY               
aslheapsz                        15                     
audit_buf_sz                     0                      
authentication                   SERVER                 
catalog_noauth                   YES                    
clnt_krb_plugin                                         
...
comm_bandwidth                   0.000000e+00           
conn_elapse                      0                      
cpuspeed                         4.000000e-05           
dft_account_str                                         
dft_mon_bufpool                  OFF                    
...
dft_mon_timestamp                ON                     
dft_mon_uow                      OFF                    
...
jdk_path                         /wsdb/v91/bldsupp/AIX5L
...
ssl_svcename                     22711                  
ssl_svr_keydb                    /GSKit/Keystore/key.kdb
ssl_svr_label
ssl_svr_stash                    /GSKit/Keystore/key.sth
Example 2: Retrieve all the database manager configuration parameters values.
SELECT * FROM SYSIBMADM.DBMCFG
The following example is a sample output for this query.
NAME                VALUE           VALUE_FLAGS ...
-------------...------------...- ------------- ...
agent_stack_sz      0               NONE        ...
agentpri            -1              NONE        ...
alternate_auth_enc  NOT_SPECIFIED   NONE       
aslheapsz           15              NONE        ...
audit_buf_sz        0               NONE        ...
authentication      SERVER          NONE        ...
catalog_noauth      YES             NONE        ...
clnt_krb_plugin                     NONE        ...
clnt_pw_plugin                      NONE        ...
comm_bandwidth      0.000000e+00    NONE        ...
conn_elapse         0               NONE        ...
cpuspeed            4.000000e-05    NONE        ...
dft_account_str                     NONE        ...
dft_mon_bufpool     OFF             NONE        ...
dft_mon_lock        OFF             NONE        ...
dft_mon_sort        OFF             NONE        ...
dft_mon_stmt        OFF             NONE        ...
dft_mon_table       OFF             NONE        ...
...                                           ...
dir_cache           YES             NONE        ...
discover            SEARCH          NONE        ...
discover_inst       ENABLE          NONE        ...
fcm_num_anchors     0               AUTOMATIC   ...
fcm_num_buffers     0               AUTOMATIC   ...
fcm_num_connect     0               AUTOMATIC   ...
              
Output for this query (continued).
... DEFERRED_VALUE     DEFERRED_VALUE_FLAGS      DATATYPE     
... --------------...- ------------------------- ---------...-
... 0                  NONE                      INTEGER      
... -1                 NONE                      INTEGER      
... AES_ONLY           NONE                      VARCHAR(32)
... 15                 NONE                      BIGINT       
... 0                  NONE                      BIGINT       
... SERVER             NONE                      VARCHAR(32)  
... YES                NONE                      VARCHAR(3)   
...                    NONE                      VARCHAR(32)  
...                    NONE                      VARCHAR(32)  
... 0.000000e+00       NONE                      REAL         
... 0                  NONE                      INTEGER      
... 4.000000e-05       NONE                      REAL         
...                    NONE                      VARCHAR(25)  
... OFF                NONE                      VARCHAR(3)   
... OFF                NONE                      VARCHAR(3)   
... OFF                NONE                      VARCHAR(3)   
... OFF                NONE                      VARCHAR(3)   
... OFF                NONE                      VARCHAR(3)   
...                                                           
... YES                NONE                      VARCHAR(3)   
... SEARCH             NONE                      VARCHAR(8)   
... ENABLE             NONE                      VARCHAR(8)   
... 0                  AUTOMATIC                 BIGINT       
... 512                AUTOMATIC                 BIGINT       
... 0                  AUTOMATIC                 BIGINT       
...

Information returned

Table 1. Information returned by the DBMCFG administrative view
Column name Data type Description
NAME VARCHAR(32) Configuration parameter name.
VALUE VARCHAR(256) The current value of the configuration parameter stored in memory.
VALUE_FLAGS VARCHAR(10) Provides specific information for the configuration parameter current value. Valid values are:
  • NONE - no additional information
  • AUTOMATIC - the configuration parameter has been set to automatic
DEFERRED_VALUE VARCHAR(256) The value of the configuration parameter on disk. For some database manager configuration parameters, the database manager must be stopped (db2stop) and restarted (db2start) for this value to take effect.
DEFERRED_VALUE_FLAGS VARCHAR(10) Provides specific information for the configuration parameter deferred value. Valid values are:
  • NONE - no additional information
  • AUTOMATIC - the configuration parameter has been set to automatic
DATATYPE VARCHAR(128) Configuration parameter data type.