prime_meridian.greenwich_longitude
Longitude of the prime meridian as reckoned from the Greenwich meridian. East longitudes are positive, west longitudes are negative. greenwich_long_u: Defines the unit of measure. Defines a foreign key to table r_uom.
prime_meridian_id (M: CHAR VARYING(40))
prime_meridian.identifier
Identifier of the prime meridian.
source (FNK, M: CHAR VARYING(40))
reference_behavior.source
The provider of this instance of reference information. If this instance is provided by POSC, then this attribute must be "POSC".
Defines a foreign key to table r_source.
description (O: CHAR VARYING(2000))
prime_meridian.description
Remark about the prime meridian.
effective_date (O: DATE)
prime_meridian.effective_date
The effective date (usually year) of the prime meridian.
status (O: CHAR VARYING(11))
reference_behavior.status
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.
source_reference_s (FSK, O: CHAR VARYING(19))
reference_behavior.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.
Defines a foreign key to table r_source_ref.
version (FNK, O: CHAR VARYING(40))
reference_behavior.version
Describes the version of Epicentre when this status was assigned to this instance of reference behavior
Defines a foreign key to table r_epcnt_version.