{"id":948,"date":"2024-12-27T19:00:44","date_gmt":"2024-12-27T19:00:44","guid":{"rendered":"https:\/\/w3buddy.com\/?p=948"},"modified":"2026-01-15T13:15:53","modified_gmt":"2026-01-15T07:45:53","slug":"sql-query-to-check-user-wise-inactive-session-count-in-oracle","status":"publish","type":"post","link":"https:\/\/w3buddy.com\/blog\/sql-query-to-check-user-wise-inactive-session-count-in-oracle\/","title":{"rendered":"SQL Query to Check User-wise INACTIVE Session Count in Oracle"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Effectively managing database sessions is crucial for optimal performance. This SQL query identifies active and inactive sessions for each user in an Oracle database, offering a user-wise breakdown of session counts.<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-sql\">SET LINESIZE 150\nSET PAGESIZE 50\nCOL STATUS FORMAT A15\nCOL COUNT FORMAT 99999\nCOL USERNAME FORMAT A25\nSELECT NVL(s.username, 'UNKNOWN') AS USERNAME, s.status, COUNT(1) AS SESSION_COUNT \nFROM v$process p, v$session s\nWHERE paddr(+) = addr\nGROUP BY NVL(s.username, 'UNKNOWN'), s.status\nORDER BY s.status;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Example Output<\/h2>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-sql\">USERNAME                  STATUS          SESSION_COUNT\n------------------------- --------------- -------------\nSYS                       ACTIVE                      1\nUNKNOWN                   ACTIVE                     56\nUNKNOWN                                              19\nW3BUDDY                   INACTIVE                  120<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Explanation of <code>UNKNOWN<\/code><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <code>NVL<\/code> function replaces <code>NULL<\/code> values in the <code>USERNAME<\/code> column with <code>UNKNOWN<\/code>, representing sessions not tied to a specific user, such as background processes or unidentified system operations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This query offers a clear view of database sessions, enabling administrators to identify inactive sessions and optimize resources efficiently.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Effectively managing database sessions is crucial for optimal performance. This SQL query identifies active and inactive sessions for each user in an Oracle database, offering a user-wise breakdown of session counts. Example Output Explanation of UNKNOWN The NVL function replaces NULL values in the USERNAME column with UNKNOWN, representing sessions not tied to a specific [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowu461DA:productID":"","footnotes":""},"categories":[1225],"tags":[],"class_list":["post-948","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/comments?post=948"}],"version-history":[{"count":2,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/948\/revisions"}],"predecessor-version":[{"id":1555,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/posts\/948\/revisions\/1555"}],"wp:attachment":[{"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/media?parent=948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/categories?post=948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/w3buddy.com\/blog\/wp-json\/wp\/v2\/tags?post=948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}