SDM_PRIOR_PERIODS

This table stores the lookup to determine the prior period given a period, year and a number of periods to look back from.

Primary Key

Table 4-148 Primary Key Table

Constraint Name	Columns
SDM_PRIOR_PERIODS_PK	PRIOR_ID

Foreign Key

Table 4-149 Foreign Key Table

Columns

Table 4-150 Column Details Table

Name	Data Type	Length	Precision	Scale	Null Allowed	Comments
PRIOR_ID	NUMBER		18	0	No	Unique identifier of the record.
YEAR_ID	NUMBER		18	0	No	Year ID. Refers to YEAR_ID of SDM_YEAR table.
PERIOD_ID	NUMBER		18	0	No	Period ID. Refers to PERIOD_ID of SDM_PERIOD table.
NUM_PERIODS_PRIOR	NUMBER		4	0	No	Number of periods to look back.
PRIOR_YEAR_ID	NUMBER		18	0	No	Prior Year ID. Refers to YEAR_ID of SDM_YEAR table.
PRIOR_PERIOD_ID	NUMBER		18	0	No	Prior Period ID. Refers to PERIOD_ID of SDM_PERIOD table.
APP_ID	NUMBER		1	0	No	Identifier for the application to which the row corresponds to, for example, SDM:4.
OBJECT_VERSION_NUMBER	NUMBER		9	0	No	Used to implement optimistic locking. This number is incremented every time that the row is updated. The number is compared at the start and end of a transaction to detect whether another session has updated the row since it was queried.
LAST_UPDATE_LOGIN	VARCHAR2	255			Yes	Who column: indicates the session login associated to the user who last updated the row.
LAST_UPDATED_BY	VARCHAR2	255			No	Who column: indicates the user who last updated the row.
LAST_UPDATE_DATE	DATE				No	Who column: indicates the date and time of the last update of the row.
CREATED_BY	VARCHAR2	255			No	Who column: indicates the user who created the row.
CREATION_DATE	DATE				No	Who column: indicates the date and time of the creation of the row.

Indexes

Table 4-151 Index Table

Index	Uniqueness	Columns
SDM_PRIOR_PERIODS_PK	UNIQUE	PRIOR_ID
SDM_PRIOR_PERIODS_U1	UNIQUE	YEAR_ID, PERIOD_ID, NUM_PERIODS_PRIOR