The reports of human disease attributed to bird mites are rare, but they do occur. There have been reports by some people of strange fibers on the skin and Morgellons symptoms that started after a mite infestation, but the link is vague and requires further research.
A universe is a business-oriented mapping of the data structure found in databases: tables, columns, joins, etc. It can represent any specific application, system, or group of users. For example, a universe can relate to a department in a company such as marketing or accounting.
In data warehousing, a dimension is a collection of reference information about a measurable event (fact). See complete definition. star schema. In data warehousing, a star schema is the simplest form of dimensional model, with data organized into facts and dimensions.