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Thread: Table Acces

  1. #1
    Join Date
    Oct 2003
    Posts
    19

    Unanswered: Table Acces

    Is there a table in Oracle where I can check all the active connections?
    If so, please provide its name.
    Thank you,

  2. #2
    Join Date
    Apr 2003
    Location
    Greenville, SC (USA)
    Posts
    1,155
    v$session

  3. #3
    Join Date
    Jan 2004
    Location
    Venezuela
    Posts
    151

    Re: Table Acces

    Originally posted by napf
    Is there a table in Oracle where I can check all the active connections?
    If so, please provide its name.
    Thank you,
    V$SESSION
    This view lists session information for each current session.

    Column Datatype Description
    SADDR
    RAW(4 | 8)
    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 | 8)
    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 3-3. These values also appear in the AUDIT_ACTIONS table.

    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 4-byte value. The low-order 2 bytes 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(30)
    Operating system client user name

    PROCESS
    VARCHAR2(9)
    Operating system client process ID

    MACHINE
    VARCHAR2(64)
    Operating system machine name

    TERMINAL
    VARCHAR2(30)
    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

    PREV_SQL_ADDR
    RAW(4)
    Used with PREV_HASH_VALUE to identify the last SQL statement executed

    PREV_HASH_VALUE
    NUMBER
    Used with SQL_HASH_VALUE to identify the last SQL statement 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_ENABLED
    VARCHAR2(3)
    This column has been replaced by column PDML_STATUS

    FAILOVER_TYPE
    VARCHAR2(13)
    Indicates whether and to what extent transparent application failover (TAF) is enabled for the session:

    NONE - failover is disabled for this session
    SESSION - the client is able to fail over its session following a disconnect
    SELECT - the client is able to fail over queries in progress as well
    See Also:

    Oracle9i Database Concepts for more information on TAF
    Oracle9i Net Services Administrator's Guide for information on configuring TAF

    FAILOVER_METHOD
    VARCHAR2(10)
    Indicates the transparent application failover method for the session:

    NONE - failover is disabled for this session
    BASIC - the client itself reconnects following a disconnect
    PRECONNECT - the backup instance can support all connections from every instance for which it is backup

    FAILED_OVER
    VARCHAR2(3)
    Indicates (YES|NO) whether the session is running in failover mode and failover has occurred

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

    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.

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

    CURRENT_QUEUE_DURATION
    NUMBER
    If queued (1), the current amount of time the session has been queued. If not currently queued, value is 0.

    CLIENT_IDENTIFIER
    VARCHAR2(64)

    http://download-west.oracle.com/docs...71.htm#1122127
    Joel Pérez

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