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Thread: Identifying query

  1. #1
    Join Date
    Feb 2001
    Posts
    295
    Suppose I have a query in my database taking a large mount of memory. Of course I can identify the Unix process ID using ps -ef. It is possible to identify the Oracle user, too.

    But, how can I see exactly what that query is doing in a given moment (not Logminer)? Is there a v$ view or something? I know tools like Toad/SQL Navigator have this feature, but don't know how to do with a command line. Any ideas?


    thanks in advance.

  2. #2
    Join Date
    Mar 2001
    Posts
    635
    Hi

    You can use v$session

    select username,schemaname,osuser,machine from v$session;

    Or best use the GUI Instance manager in DBA studio

    Regards
    Santosh

  3. #3
    Join Date
    Feb 2001
    Posts
    295
    V$SESSION would give me info about the user accessing the database, and not about WHAT he is doing in the database at that moment, right?

    I was thinking in something like Logminer, creating a table with single commands extracted from redo logs. The problems are that single queries (SQL, not DML/DDL) are not written in redo logs, and I need answer in real-time.

    Does that v$ view exist?



  4. #4
    Join Date
    Nov 2000
    Location
    greenwich.ct.us
    Posts
    9,092
    select a.username, a.terminal, a.program, b.sql_text
    from v$session a, v$sqlarea b, v$process c
    where c.spid = 'your unix process' OR a.process = 'your unix process' )
    and a.paddr = c.addr
    and a.sql_address = b.address
    Jeff Hunter

  5. #5
    Join Date
    Jul 2000
    Posts
    243
    Hi

    first, are you useing multy thred? if so then your os process tells you about many db process, not just the one you are looking at.

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