Menu
Amazon Redshift
Database Developer Guide (API Version 2012-12-01)

STL_SESSIONS

Returns information about user session history.

STL_SESSIONS differs from STV_SESSIONS in that STL_SESSIONS contains session history, where STV_SESSIONS contains the current active sessions.

This table is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see Visibility of Data in System Tables and Views.

Table Columns

Column Name Data Type Description
userid integer ID of the user who generated the entry.
starttime timestamp Time in UTC that the session started.
endtime timestamp Time in UTC that the session ended.
process integer Process ID for the session.
user_name character(50) User name associated with the session.
db_name character(50) Name of the database associated with the session.

Sample Queries

To view session history for the TICKIT database, type the following query:

Copy
select starttime, process, user_name from stl_sessions where db_name='tickit' order by starttime;

This query returns the following sample output:

Copy
starttime | process | user_name ---------------------------+---------+------------- 2008-09-15 09:54:06.746705 | 32358 | dwuser 2008-09-15 09:56:34.30275 | 32744 | dwuser 2008-09-15 11:20:34.694837 | 14906 | dwuser 2008-09-15 11:22:16.749818 | 15148 | dwuser 2008-09-15 14:32:44.66112 | 14031 | dwuser 2008-09-15 14:56:30.22161 | 18380 | dwuser 2008-09-15 15:28:32.509354 | 24344 | dwuser 2008-09-15 16:01:00.557326 | 30153 | dwuser 2008-09-15 17:28:21.419858 | 12805 | dwuser 2008-09-15 20:58:37.601937 | 14951 | dwuser 2008-09-16 11:12:30.960564 | 27437 | dwuser 2008-09-16 14:11:37.639092 | 23790 | dwuser 2008-09-16 15:13:46.02195 | 1355 | dwuser 2008-09-16 15:22:36.515106 | 2878 | dwuser 2008-09-16 15:44:39.194579 | 6470 | dwuser 2008-09-16 16:50:27.02138 | 17254 | dwuser 2008-09-17 12:05:02.157208 | 8439 | dwuser (17 rows)