diff --git a/PostgreSQL/kill_session_by_username b/PostgreSQL/kill_session_by_username
new file mode 100644
index 0000000..73f3fec
--- /dev/null
+++ b/PostgreSQL/kill_session_by_username
@@ -0,0 +1,3 @@
+select pg_terminate_backend(pid) from pg_stat_activity psa
+join pg_user on pgu on pgu.usesysid = psa.usesysid 
+where datname='sdfsdfsdf' and pgu.usename in ( 'sdfsdfsdf');
\ No newline at end of file