Query below lists tables that are not referenced by the foreign keys.

See also:

• Tables that are not referenced by the foreign keys
• Loner Tables - tables without relationships

Query

select 'No FKs >-' foreign_keys,
    tab.tabschema as schema_name,
    tab.tabname as table_name
from syscat.tables tab
left outer join syscat.references ref
    on ref.reftabschema = tab.tabschema  and ref.reftabname = tab.tabname
where
    tab.type = 'T'
    and tab.tabschema not like 'SYS%'
    and ref.constname is null     
order by tab.tabschema, tab.tabname

Columns

• foreign_keys - symbol indicating lack of FK references
• schema_name - table schema name
• table_name - table name

Rows

• One row represents one table
• Scope of rows: all tables in a database that are not referenced by the foreign keys
• Ordered by schema, table name

Sample results

List of tables in AdventureWorks not referenced by foreign keys: