2026-03-12 20:23:15

timhall/monitoring/fk_columns.sql

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+-- -----------------------------------------------------------------------------------
+-- File Name    : http://www.oracle-base.com/dba/monitoring/fk_columns.sql
+-- Author       : DR Timothy S Hall
+-- Description  : Displays information on all FKs for the specified schema and table.
+-- Requirements : Access to the V$ views.
+-- Call Syntax  : @fk_columns (schema-name or all) (table-name or all)
+-- Last Modified: 22/09/2005
+-- -----------------------------------------------------------------------------------
+SET VERIFY OFF
+SET LINESIZE 1000
+COLUMN column_name FORMAT A30
+COLUMN r_column_name FORMAT A30
+
+SELECT c.constraint_name,
+       cc.table_name,
+       cc.column_name,
+       rcc.table_name AS r_table_name,
+       rcc.column_name AS r_column_name,
+       cc.position
+FROM   dba_constraints c
+       JOIN dba_cons_columns cc ON c.owner = cc.owner AND c.constraint_name = cc.constraint_name
+       JOIN dba_cons_columns rcc ON c.owner = rcc.owner AND c.r_constraint_name = rcc.constraint_name AND cc.position = rcc.position
+WHERE  c.owner      = DECODE(UPPER('&1'), 'ALL', c.owner, UPPER('&1'))
+AND    c.table_name = DECODE(UPPER('&2'), 'ALL', c.table_name, UPPER('&2'))
+ORDER BY c.constraint_name, cc.table_name, cc.position;