An identifier for an ellipsoid.

ellipsoid_alias_s (PK, M: CHAR VARYING(19))

Surrogate key of the table.


identifier (M: CHAR VARYING(40))

ellipsoid_alias.identifier
An identifier for an ellipsoid.


ellipsoid_id (FNK, M: CHAR VARYING(40))

ellipsoid_alias.ellipsoid
Specifies the ellipsoid for which this identifier is meaningful.
Defines a foreign key to table ellipsoid.


r_naming_system_kd (FNK, M: CHAR VARYING(40))

object_alias.ref_naming_system
Specifies the name space within which this object identifier is defined and is unique.
Defines a foreign key to table r_naming_system.


description (O: CHAR VARYING(2000))

object_alias.description
A description or remark about the alias. This may include information about the reason the alias exists, or a comment about the meaning or derivation of the alias.


effective_date (O: DATE)

object_alias.effective_date
The date that the alias was put into effect.


expiry_date (O: DATE)

object_alias.expiry_date
The date at which the alias is no longer effective.