Simple script to get referenced table and their column names

Posted by Peter Larsson on SQL Team See other posts from SQL Team or by Peter Larsson
Published on Tue, 08 Jun 2010 14:02:34 GMT Indexed on 2010/06/08 14:13 UTC
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-- Setup user supplied parameters
DECLARE @WantedTable SYSNAME
 
SET     @WantedTable = 'Sales.factSalesDetail'
 
-- Wanted table is "parent table"
SELECT      PARSENAME(@WantedTable, 2) AS ParentSchemaName,
            PARSENAME(@WantedTable, 1) AS ParentTableName,
            cp.Name AS ParentColumnName,
            OBJECT_SCHEMA_NAME(parent_object_id) AS ChildSchemaName,
            OBJECT_NAME(parent_object_id) AS ChildTableName,
            cc.Name AS ChildColumnName
FROM        sys.foreign_key_columns AS fkc
INNER JOIN  sys.columns AS cc ON cc.column_id = fkc.parent_column_id
                AND cc.object_id = fkc.parent_object_id
INNER JOIN  sys.columns AS cp ON cp.column_id = fkc.referenced_column_id
                AND cp.object_id = fkc.referenced_object_id
WHERE       referenced_object_id = OBJECT_ID(@WantedTable)
 
-- Wanted table is "child table"
SELECT      OBJECT_SCHEMA_NAME(referenced_object_id) AS ParentSchemaName,
            OBJECT_NAME(referenced_object_id) AS ParentTableName,
            cc.Name AS ParentColumnName,
            PARSENAME(@WantedTable, 2) AS ChildSchemaName,
            PARSENAME(@WantedTable, 1) AS ChildTableName,
            cp.Name AS ChildColumnName
FROM        sys.foreign_key_columns AS fkc
INNER JOIN  sys.columns AS cp ON cp.column_id = fkc.parent_column_id
                AND cp.object_id = fkc.parent_object_id
INNER JOIN  sys.columns AS cc ON cc.column_id = fkc.referenced_column_id
                AND cc.object_id = fkc.referenced_object_id
WHERE       parent_object_id = OBJECT_ID(@WantedTable)
 

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