oracle v$session每个字段的意义

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select   *  from   v$session;
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ALTER SYSTEM KILL SESSION 'SID,SERIAL#'；

v$session表每个字段的意义：
$SESSION
This view lists session information for each current session.

Column   Datatype   Description   
SADDR  
RAW(4)  
Session address  

SID  
NUMBER  
Session identifier  

SERIAL#  
NUMBER  
Session serial number. Used to identify uniquely a session's objects. Guarantees that session-level commands are applied to the correct session objects if the session ends and another session begins with the same session ID  

AUDSID  
NUMBER  
Auditing session ID  

PADDR  
RAW(4)  
Address of the process that owns this session  

USER#  
NUMBER  
Oracle user identifier  

USERNAME  
VARCHAR2(30)  
Oracle username  

COMMAND  
NUMBER  
Command in progress (last statement parsed); for a list of values, see Table 3-7  

OWNERID  
NUMBER  
The column contents are invalid if the value is 2147483644. Otherwise, this column contains the identifier of the user who owns the migratable session

For operations using Parallel Slaves, interpret this value as a 4Byte value. The low-order 2Bytes of which represent the session number, and the high-order bytes the instance ID of the query coordinator  

TADDR  
VARCHAR2(8)  
Address of transaction state object  

LOCKWAIT  
VARCHAR2(8)  
Address of lock waiting for; NULL if none  

STATUS  
VARCHAR2(8)  
Status of the session: ACTIVE (currently executing SQL), INACTIVE, KILLED (marked to be killed), CACHED (temporarily cached for use by Oracle*XA), SNIPED (session inactive, waiting on the client)  

SERVER  
VARCHAR2(9)  
Server type: DEDICATED, SHARED, PSEUDO, NONE  

SCHEMA#  
NUMBER  
Schema user identifier  

SCHEMANAME  
VARCHAR2(30)  
Schema user name  

OSUSER  
VARCHAR2(15)  
Operating system client user name  

PROCESS  
VARCHAR2(9)  
Operating system client process ID  

MACHINE  
VARCHAR2(64)  
Operating system machine name  

TERMINAL  
VARCHAR2(10)  
Operating system terminal name  

PROGRAM  
VARCHAR2(48)  
Operating system program name  

TYPE  
VARCHAR2(10)  
Session type  

SQL_ADDRESS  
RAW(4)  
Used with SQL_HASH_VALUE to identify the SQL statement that is currently being executed  

SQL_HASH
_VALUE  
NUMBER  
Used with SQL_ADDRESS to identify the SQL statement that is currently being executed  

MODULE  
VARCHAR2(48)  
Contains the name of the currently executing module as set by calling the DBMS_APPLICATION_INFO.SET_MODULE procedure  

MODULE_HASH  
NUMBER  
The hash value of the above MODULE  

ACTION  
VARCHAR2(32)  
Contains the name of the currently executing action as set by calling the
DBMS_APPLICATION_INFO.SET_ACTION procedure  

ACTION_HASH  
NUMBER  
The hash value of the above action name  

CLIENT_INFO  
VARCHAR2(64)  
Information set by the DBMS_APPLICATION_INFO.SET_CLIENT_INFO procedure  

FIXED_TABLE
_SEQUENCE  
NUMBER  
This contains a number that increases every time the session completes a call to the database and there has been an intervening select from a dynamic performance table. This column can be used by performance monitors to monitor statistics in the database. Each time the performance monitor looks at the database, it only needs to look at sessions that are currently active or have a higher value in this column than the highest value that the performance monitor saw the last time. All the other sessions have been idle since the last time the performance monitor looked at the database  

ROW_WAIT_OBJ#  
NUMBER  
Object ID for the table containing the ROWID specified in ROW_WAIT_ROW#  

ROW_WAIT_FILE#  
NUMBER  
Identifier for the datafile containing the ROWID specified in ROW_WAIT_ROW#. This column is valid only if the session is currently waiting for another transaction to commit and the value of ROW_WAIT_OBJ# is not -1  

ROW_WAIT
_BLOCK#  
NUMBER  
Identifier for the block containing the ROWID specified in ROW_WAIT_ROW#. This column is valid only if the session is currently waiting for another transaction to commit and the value of ROW_WAIT_OBJ# is not -1  

ROW_WAIT_ROW#  
NUMBER  
The current ROWID being locked. This column is valid only if the session is currently waiting for another transaction to commit and the value of ROW_WAIT_OBJ# is not -1  

LOGON_TIME  
DATE  
Time of logon  

LAST_CALL_ET  
NUMBER  
The last call  

PDML_STATUS  
VARCHAR2(8)  
If ENABLED, the session is in a PARALLEL DML enabled mode. If DISABLED, PARALLEL DML enabled mode is not supported for the session. If FORCED, the session has been altered to force PARALLEL DML.  

PDDL_STATUS  
VARCHAR2(8)  
If ENABLED, the session is in a PARALLEL DDL enabled mode. If DISABLED, PARALLEL DDL enabled mode is not supported for the session. If FORCED, the session has been altered to force PARALLEL DDL.  

PDML_ENABLED  
VARCHAR2(3)  
This column has been replaced by PDML_ENABLED and PDML_STATUS. See above.  

FAILOVER_TYPE  
VARCHAR2(10)  
NONE if failover is disabled for this session, SESSION if client is able to failover its session following a disconnect, and SELECT if client is able to fail over selects in progress as well  

FAILOVER
_METHOD  
VARCHAR2(3)  
NONE if failover is disabled for this session, BASIC if client reconnects following a disconnect, PRECONNECT if the backup instance is able to support all connections from every instance that it is backup for  

FAILED_OVER  
VARCHAR2(13)  
TRUE if running in failover mode and have failed over, otherwise FALSE  

RESOURCE_CONSUMER_GROUP  
VARCHAR2(32)  
Name of the session's current resource consumer group