2026-03-12 20:23:15

vdh/blocked_sessions.sql

@@ -0,0 +1,27 @@
+set linesize 150
+
+column username format a20
+column bi format 99
+column bs format 9999
+column siw format 999999
+column rwo# format 999999
+
+select inst_id, sid, serial#, username, sql_id, blocking_instance bi, blocking_session bs, 
+       seconds_in_wait siw, row_wait_obj# rwo#,  row_wait_file# rwf#, row_wait_block# rwb#,
+       row_wait_row# rwr#
+from gv$session 
+where blocking_session is not null;
+
+
+/*
+FUNCTION ROWID_CREATE RETURNS ROWID
+ Argument Name                  Type                    In/Out Default?
+ ------------------------------ ----------------------- ------ --------
+ ROWID_TYPE                     NUMBER                  IN
+ OBJECT_NUMBER                  NUMBER                  IN
+ RELATIVE_FNO                   NUMBER                  IN
+ BLOCK_NUMBER                   NUMBER                  IN
+ ROW_NUMBER                     NUMBER                  IN
+
+select dbms_rowid.rowid_create(1, 81574, 26, 286, 262) from dual;
+*/