2026-03-12 20:23:15
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122
vg/dependency_col.sql
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122
vg/dependency_col.sql
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@@header
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/*
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*
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* Author : Vishal Gupta
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* Purpose : Show column dependency
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* Versions : 11.1 and above
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* Parameters : 1 - Owner (% - wildchar, \ - escape char)
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* 2 - Object Name (% - wildchar, \ - escape char)
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* 3 - Column Name (% - wildchar, \ - escape char)
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* 4 - Dependent Owner (% - wildchar, \ - escape char)
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* 5 - Dependent Name (% - wildchar, \ - escape char)
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* 6 - Dependent Type (% - wildchar, \ - escape char)
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*
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* Revision History:
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* ===================
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* Date Author Description
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* --------- ------------ -----------------------------------------
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* 12-Nov-15 Vishal Gupta Created
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*
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*/
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UNDEFINE referenced_owner
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UNDEFINE referenced_name
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UNDEFINE referenced_column_name
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UNDEFINE dependent_owner
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UNDEFINE dependent_name
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UNDEFINE dependent_type
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DEFINE referenced_owner="&&1"
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DEFINE referenced_name="&&2"
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DEFINE referenced_column_name="&&3"
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DEFINE dependent_owner="&&4"
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DEFINE dependent_name="&&5"
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DEFINE dependent_type="&&6"
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COLUMN _referenced_owner NEW_VALUE referenced_owner NOPRINT
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COLUMN _referenced_name NEW_VALUE referenced_name NOPRINT
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COLUMN _referenced_column_name NEW_VALUE referenced_column_name NOPRINT
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COLUMN _dependent_owner NEW_VALUE dependent_owner NOPRINT
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COLUMN _dependent_name NEW_VALUE dependent_name NOPRINT
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COLUMN _dependent_type NEW_VALUE dependent_type NOPRINT
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set term off
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SELECT DECODE(UPPER('&&referenced_owner'),'','%','&&referenced_owner') "_referenced_owner"
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, DECODE(UPPER('&&referenced_name'),'','%','&&referenced_name') "_referenced_name"
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, DECODE(UPPER('&&referenced_column_name'),'','%','&&referenced_column_name') "_referenced_column_name"
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, DECODE(UPPER('&&dependent_owner'),'','%','&&dependent_owner') "_dependent_owner"
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, DECODE(UPPER('&&dependent_name'),'','%','&&dependent_name') "_dependent_name"
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, DECODE(UPPER('&&dependent_type'),'','%','&&dependent_type') "_dependent_type"
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FROM DUAL
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;
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set term on
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PROMPT
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PROMPT ***************************************************************************************************
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PROMPT * D E P E N D E N C Y
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PROMPT *
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PROMPT * Input Parameters
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PROMPT * - Owner = '&&referenced_owner'
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PROMPT * - Object Name = '&&referenced_name'
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PROMPT * - Column Name = '&&referenced_column_name'
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PROMPT * - Dependent Owner = '&&dependent_owner'
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PROMPT * - Dependent Name = '&&dependent_name'
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PROMPT * - Dependent Type = '&&dependent_type'
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PROMPT ***************************************************************************************************
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COLUMN referenced_object_name HEADING "Object Name" FORMAT a40
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COLUMN referenced_column_name HEADING "Column Name" FORMAT a20
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COLUMN referenced_type HEADING "Object Type" FORMAT a20 TRUNCATE
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COLUMN object_name HEADING "Dep Object Name" FORMAT a50
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COLUMN type HEADING "DepObject Type" FORMAT a20 TRUNCATE
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COLUMN referenced_link_name HEADING "Ref Link Name" FORMAT a20
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COLUMN dependency_type HEADING "Depend|Type" FORMAT a10
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BREAK ON referenced_object_name ON referenced_column_name
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SELECT d.referenced_owner || '.' || d.referenced_name referenced_object_name
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, c.name referenced_column_name
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--, d.referenced_type
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, d.owner || '.' || d.name object_name
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, d.type
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, d.referenced_link_name
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, d.dependency_type
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FROM dba_dependencies d
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JOIN dba_objects o ON o.owner = d.owner AND o.object_name = d.name AND o.object_type = d.type
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JOIN dba_objects ro ON ro.owner = d.referenced_owner AND ro.object_name = d.referenced_name AND ro.object_type = d.referenced_type
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JOIN sys.dependency$ d2 ON d2.d_obj# = o.object_id AND d2.p_obj# = ro.object_id AND d2.d_attrs IS NOT NULL
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JOIN sys.col$ c ON c.obj# = d2.p_obj#
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/*
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- D_ATTRS is raw column containing HEX value.
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- First 8 characters are something like 00010000 or 00030000 or 00030100, they can be ignored.
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- Digits from 9th character onwards represent the BITAND flag for column in bytes for 8 column pairs
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- 9-10 digit represent first 8 columns
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- 11-12 digit represent next 8 columns
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- and so on.
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*/
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AND power(2,mod(c.col#,8)) = BITAND( TO_NUMBER(SUBSTR(SUBSTR(d2.d_attrs,9), 1 + 2*TRUNC(c.col#/8) ,2) ,'XX' ) , power(2,mod(c.col#,8)) )
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WHERE 1=1
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AND d.referenced_owner LIKE '&&referenced_owner'
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AND d.referenced_name LIKE '&&referenced_name'
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AND c.name LIKE '&&referenced_column_name'
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AND d.owner LIKE '&&dependent_owner'
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AND d.name LIKE '&&dependent_name'
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AND d.type LIKE '&&dependent_type'
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ORDER BY d.referenced_owner
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, d.referenced_name
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, c.name
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, d.owner
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, d.name
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;
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@@footer
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