- https://purl.semanticip.org/linked-data/sdmx/ML/EpochPeriodType
TTL - simpleType
EpochPeriodType defines an enumeration of epoch period types.
- SDMXStructureStructureMappings.xsd
<xs:simpleType xmlns:xs="http://www.w3.org/2001/XMLSchema" name="EpochPeriodType">
<xs:annotation>
<xs:documentation>EpochPeriodType defines an enumeration of epoch period types.</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="nanosecond" />
<xs:enumeration value="millisecond" />
<xs:enumeration value="microsecond" />
<xs:enumeration value="second" />
<xs:enumeration value="day" />
</xs:restriction>
</xs:simpleType>