Listing Users Who Logged In for the Last Week

Oct 13, 2025 by magicalceylontours.com 141 views

Introduction

In today's digital landscape, tracking user activity is crucial for organizations to monitor system usage, identify potential security threats, and optimize user experience. Oracle Database, being a powerful and widely used relational database management system, provides various tools and features to help administrators achieve this goal. In this article, we will explore how to list users who logged in for the last week, month, and year using Oracle Database.

Understanding Oracle Database's Login History

Oracle Database maintains a record of user logins through the V$SESSION and V$LOGON views. These views provide valuable information about the current sessions and logon history, respectively. To list users who logged in for a specific period, we can use a combination of these views along with the SYS_CONTEXT function, which returns the current date and time.

Listing Users Who Logged In for the Last Week

To list users who logged in for the last week, we can use the following query:

SELECT 
  username,
  login_time,
  SYSDATE - login_time AS days_since_login
FROM 
  V$LOGON
WHERE 
  login_time >= SYSDATE - 7
ORDER BY 
  username;

This query selects the username, login_time, and calculates the number of days since the last login using the SYSDATE function. The WHERE clause filters the results to include only logins that occurred within the last week.

Listing Users Who Logged In for the Last Month

To list users who logged in for the last month, we can modify the previous query as follows:

SELECT 
  username,
  login_time,
  SYSDATE - login_time AS days_since_login
FROM 
  V$LOGON
WHERE 
  login_time >= SYSDATE - 30
ORDER BY 
  username;

This query is similar to the previous one, but the WHERE clause filters the results to include only logins that occurred within the last month.

Listing Users Who Logged In for the Last Year

To list users who logged in for the last year, we can use the following query:

SELECT 
  username,
  login_time,
  SYSDATE - login_time AS days_since_login
FROM 
  V$LOGON
WHERE 
  login_time >= SYSDATE - 365
ORDER BY 
  username;

This query is similar to the previous ones, but the WHERE clause filters the results to include only logins that occurred within the last year.

Tips and Variations

To list users who logged in for a specific date range, modify the WHERE clause to include the desired start and end dates.
To exclude users who have not logged in within a certain period, add a HAVING clause to filter the results.
To include additional information, such as the user's IP address or session details, join the V$LOGON view with other relevant views, such as V$SESSION or V$SESSTAT.

Conclusion

Q: What is the purpose of the V$LOGON view in Oracle Database?

A: The V$LOGON view in Oracle Database provides a record of user logins, including the username, login time, and session details. This view is useful for tracking user activity, identifying potential security threats, and optimizing system performance.

Q: How can I list users who logged in for a specific date range?

A: To list users who logged in for a specific date range, modify the WHERE clause in the query to include the desired start and end dates. For example:

SELECT 
  username,
  login_time,
  SYSDATE - login_time AS days_since_login
FROM 
  V$LOGON
WHERE 
  login_time >= TO_DATE('2022-01-01', 'YYYY-MM-DD')
  AND login_time <= TO_DATE('2022-01-31', 'YYYY-MM-DD')
ORDER BY 
  username;

Q: How can I exclude users who have not logged in within a certain period?

A: To exclude users who have not logged in within a certain period, add a HAVING clause to filter the results. For example:

SELECT 
  username,
  login_time,
  SYSDATE - login_time AS days_since_login
FROM 
  V$LOGON
WHERE 
  login_time >= SYSDATE - 30
GROUP BY 
  username
HAVING 
  COUNT(*) > 1
ORDER BY 
  username;

This query will list users who have logged in at least twice within the last 30 days.

Q: How can I include additional information, such as the user's IP address or session details?

A: To include additional information, such as the user's IP address or session details, join the V$LOGON view with other relevant views, such as V$SESSION or V$SESSTAT. For example:

SELECT 
  l.username,
  l.login_time,
  s.ip_address,
  s.session_id
FROM 
  V$LOGON l
JOIN 
  V$SESSION s ON l.sid = s.sid
WHERE 
  l.login_time >= SYSDATE - 30
ORDER BY 
  l.username;

This query will list users who have logged in within the last 30 days, along with their IP address and session ID.

Q: What are some common issues that may arise when tracking user login activity?

A: Some common issues that may arise when tracking user login activity include:

Inconsistent or missing login data due to database configuration or maintenance issues
Difficulty in filtering or aggregating large datasets
Security concerns related to storing sensitive user data
Performance issues related to querying large datasets

Q: How can I troubleshoot issues related to user login tracking?

A: To troubleshoot issues related to user login tracking, follow these steps:

Verify that the V$LOGON view is enabled and populated with data.
Check the database configuration and maintenance schedule to ensure that login data is being collected and stored correctly.
Review the query syntax and parameters to ensure that they are correct and optimized for performance.
Test the query with sample data to identify any issues or errors.
Consult the Oracle Database documentation and support resources for further assistance.

Conclusion

In this article, we have addressed some of the most frequently asked questions related to Oracle Database user login tracking. By understanding the purpose and functionality of the V$LOGON view, administrators can effectively track user activity and identify potential security threats. Remember to troubleshoot issues related to user login tracking and consult the Oracle Database documentation and support resources for further assistance.