Sessions

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A session is the connection of a user to an Oracle database instance. A session lasts from the time the user connects until the time the user disconnects or exits the database application.


Tip:

You can also navigate to the Sessions page by clicking the Sessions link on the Usage Monitor. See "About the Usage Monitor"

You must have database administrator privileges in order to access the Sessions page.

To access reports on the Sessions page:

  1. On the Database Home Page, click the Administration icon and then Monitor.

  2. If prompted, enter the appropriate administrator username and password and click Login.

  3. Click Sessions.

    The Sessions page appears.

  4. To view a report, select one of the following tabs at the top of the page:

    • Sessions

    • Locks

    • Waits

    • I/O

    • SQL

    • Open Cursors

    The sections that follow describe each report.

Sessions Report

The Sessions Report displays information about the current sessions in the database. Use the controls at the top of page to narrow the view:

To view session details, click the Session ID (SID). The Session Details page appears. To remove the current session, navigate to the Session Details page and click Kill Session.

Locks Report

The Locks report displays a report of sessions which have locks that are blocking other session(s). To control the number of rows that appear, make a selection from the Display list and click Go.

Waits Report

The Waits report displays the wait events for each session. Use the controls at the top of page to narrow the view:

To view session details, click the Session ID (SID). The Session Details page appears. To remove the current session, click Kill Session.

I/O Report

The I/0 report displays details about the I/O for each session. Use the controls at the top of page to narrow the view:

To view session details, click the Session ID (SID). The Session Details page appears. To remove the current session, click Kill Session.

SQL Report

The SQL report displays details about the current or last SQL statement executed for each session. Use the controls at the top of page to narrow the view:

To view session details, click the Session ID (SID). The Session Details page appears. To remove the current session, click Kill Session.

Open Cursors

The Open Cursors report displays details about the number of open cursors for each session. Use the controls at the top of page to narrow the view:

To view details about a specific open cursor count, click the numeric link under the Open Cursor Count column.

To view session details, click the Session ID (SID). The Session Details page appears. To remove the current session, click Kill Session.