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Table: IGS_PS_UNIT_REF_HIST_ALL

Product:	IGS - Student System (Obsolete)
Description:	This entity describes the history of changes to a unit version's reference codes.
Implementation/DBA Data:	Not implemented in this database

Primary Key: IGS_PS_UNIT_REF_HIST_PK

UNIT_CD
VERSION_NUMBER
REFERENCE_CD_TYPE
REFERENCE_CD
HIST_START_DT

Foreign Keys

Table		Foreign Table	Foreign Key Column
IGS_PS_UNIT_REF_HIST_ALL		IGS_GE_REF_CD_TYPE_ALL	IGS_PS_UNIT_REF_HIST_ALL.REFERENCE_CD_TYPE
IGS_PS_UNIT_REF_HIST_ALL		IGS_PS_UNIT_VER_ALL	IGS_PS_UNIT_REF_HIST_ALL.UNIT_CD IGS_PS_UNIT_REF_HIST_ALL.VERSION_NUMBER