Oracle Code Dependency Tree
This script displays a hierarchical dependency tree for a specified database object. It uses a hierarchical query (CONNECT BY) on the ALL_DEPENDENCIES view to recursively show referenced objects, helping visualize the full dependency structure while excluding system objects.
oraclesqlreporting-analyticsv1.0.0
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-- -----------------------------------------------------------------------------------
-- File Name : https://oracle-base.com/dba/monitoring/code_dep_tree.sql
-- Author : Tim Hall
-- Description : Displays a tree of dependencies of specified object.
-- Call Syntax : @code_dep_tree (schema-name) (object-name)
-- Last Modified: 15/07/2000
-- -----------------------------------------------------------------------------------
SET VERIFY OFF
SET LINESIZE 255
SET PAGESIZE 1000
COLUMN referenced_object FORMAT A50
COLUMN referenced_type FORMAT A20
COLUMN referenced_link_name FORMAT A20
SELECT RPAD(' ', level*2, ' ') || a.referenced_owner || '.' || a.referenced_name AS referenced_object,
a.referenced_type,
a.referenced_link_name
FROM all_dependencies a
WHERE a.owner NOT IN ('SYS','SYSTEM','PUBLIC')
AND a.referenced_owner NOT IN ('SYS','SYSTEM','PUBLIC')
AND a.referenced_type != 'NON-EXISTENT'
START WITH a.owner = UPPER('&1')
AND a.name = UPPER('&2')
CONNECT BY a.owner = PRIOR a.referenced_owner
AND a.name = PRIOR a.referenced_name
AND a.type = PRIOR a.referenced_type;
SET VERIFY ON
SET PAGESIZE 22