A name or identifier of a geodetic datum.

effective_date (O, K, I: ndt_date)

The date that the alias was put into effect. Inherited from object_alias.


expiry_date (O, K, I: ndt_date)

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


ref_naming_system (M, K, I: ref_naming_system)

Specifies the name space within which this object identifier is defined and is unique. Each geodetic_datum_alias must defined within one ref_naming_system. Inherited from object_alias.


geodetic_datum (M, K: geodetic_datum(geodetic_datum_alias))

Specifies the geodetic datum for which this identifier is meaningful. Each geodetic_datum_alias must identify one geodetic_datum.


identifier (M: ndt_long_name) (1144)

A name or identifier of a geodetic datum.


source (M, I: ref_source)

The provider of this instance of reference information. If this instance is provided by POSC, then this attribute must be "POSC". Each geodetic_datum_alias must provided by one ref_source. Inherited from reference_behavior.


description (O, I: ndt_comment)

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. Inherited from object_alias.


status (O, I: ndt_instance_status) (0644)

The status of this instance in the version of Epicentre running in a data store. This is an enumerated datatype for which the following are the possible values: current, provisional, deprecated. Current - use without restriction. Provisional - use with caution, this value is for comment and may not appear in future releases of Epicentre. Deprecated - avoid use if possible, it is planned to remove this value in the next major release of Epicentre. Inherited from reference_behavior.


data_collection (I, V: SET[0:?] data_collection(collection_content))

Indicates the data collections that include this instance of E and P data. Each geodetic_datum_alias may be a member of one or more data_collection. Inherited from e_and_p_data.


datum_for_ranking (I, V: SET[0:?] object_ranking(base_object))

Indicates that an object is being used as a basis for comparison with another object. Each geodetic_datum_alias may datum for ranking one or more object_ranking. Inherited from object_of_interest.


graphical_element (I, V: SET[0:?] graphical_element(depicted_object))

Specifies one or more graphical elements which are depicting this data item. Each geodetic_datum_alias may be depicted by one or more graphical_element. Inherited from e_and_p_data.


object_of_ranking (I, V: SET[0:?] object_ranking(ranked_object))

Indicates that an object is being classified in a rank order based on its characteristics. Each geodetic_datum_alias may object of ranking one or more object_ranking. Inherited from object_of_interest.


source_reference (O, I: ref_source_reference)

The reference used by source to provide the standard instance, such as Petroleum Industry Data Dictionary (PIDD), Websters Ninth New Collegiate Dictionary, etc. Each geodetic_datum_alias may documented by one ref_source_reference. Inherited from reference_behavior.


version (O, I: ref_epicentre_version) (0644)

Describes the version of Epicentre when this status was assigned to this instance of reference behavior Each geodetic_datum_alias may version one ref_epicentre_version. Inherited from reference_behavior.

Local rules:

Uniqueness Constraint (0749)
effective_date, expiry_date, ref_naming_system, geodetic_datum
Supertype path(s):
reference_behavior > geodetic_datum_alias.
e_and_p_data > object_of_interest > technical_object > object_alias > geodetic_datum_alias.

Entity projects as table GEOD_DTM_ALIAS.

Referenced in Diagrams:

• HL4: Object Aliasing