sql - A query with primary key field used twice -

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in database have 2 tables:

relationship table: organization_id_first, organization_id_second, relationship_type

organization table: primary key = org_id ; org_id, org_name, ...

how able join organization table org_name both organizations have entry in relationship table? don't think can join on same primary key. have subquery of sort?

thanks!

this how in t-sql ... join twice , make 2 different object

select or1.org_name, or2.org_name, rel.relationship_type relationship  rel    join organization  or1 on rel.organization_id_first = or1.org_id    join organization  or2 on rel.organization_id_second = or2.org_id

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