List all tables refrencing specific table (by FK) in SQL Server database

Query below lists all tables that refrence specific table with foregin keys.

Check out this summary article of FK queries for SQL Server.

Query

select distinct 
    schema_name(fk_tab.schema_id) + '.' + fk_tab.name as foreign_table,
    '>-' as rel,
    schema_name(pk_tab.schema_id) + '.' + pk_tab.name as primary_table
from sys.foreign_keys fk
    inner join sys.tables fk_tab
        on fk_tab.object_id = fk.parent_object_id
    inner join sys.tables pk_tab
        on pk_tab.object_id = fk.referenced_object_id
where pk_tab.[name] = 'Your table' -- enter table name here
--  and schema_name(pk_tab.schema_id) = 'Your table schema name'
order by schema_name(fk_tab.schema_id) + '.' + fk_tab.name,
    schema_name(pk_tab.schema_id) + '.' + pk_tab.name

Columns

  • foreign_table - foreign tables schemas and names - the table you are looking for
  • foreign_table - relationship symbol implicating FK and direction
  • primary_table - primary (rerefenced) tables names with schema name - the table you provided as a parameter

Rows

  • One row represents one referencing table
  • Scope of rows: all tables referencing table with provided name (and optionally schema)
  • Ordered by referencing table schema and name

Notes

  • There can be more tables with the same name. If that's the case, uncomment where clause and provide schema name

Sample results

All tables referencing with FK Production.Product table in AdventureWorks database.

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