Источник:
http://dynamicsaxgyan.wordpress.com/...tatefieldtype/
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Friends, In DAX 2012, we can let the system manage data relationships that are valid only during a specified date range. This can be achieved by setting “ValidTimeStateFieldType” property on the table.The system then adds the ValidFrom and ValidTo columns …
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Источник:
http://dynamicsaxgyan.wordpress.com/...tatefieldtype/