Description:
This contains parent/child relationships.

PRIMARY KEY
um_parent_unit_key_n bigint default: 0 NOT NULL	This is an alias of the partner key. This is used to identify parent-child relationships. It consists of the fund id followed by a computer generated six digit number.	p_unit
um_child_unit_key_n bigint default: 0 NOT NULL	This is an alias of the partner key. This is used to identify parent-child relationships. It consists of the fund id followed by a computer generated six digit number.	p_unit

s_date_created_d date default: CURRENT_DATE	The date the record was created.
s_created_by_c varchar (20)	User ID of who created this record.	s_user
s_date_modified_d date	The date the record was modified.
s_modified_by_c varchar (20)	User ID of who last modified this record.	s_user
s_modification_id_t timestamp default: CURRENT_TIMESTAMP	This identifies the current version of the record.
FOREIGN KEY um_unit_structure_fk1: um_parent_unit_key_n => p_unit um_unit_structure_fk2: um_child_unit_key_n => p_unit um_unit_structure_fkcr: s_created_by_c => s_user um_unit_structure_fkmd: s_modified_by_c => s_user