WGU C175 Study Notecards questions and answers 2023

WGU C175 Study Notecards questions and answers 2023Flat Files a file having no internal hierarchy Hashed Files A file that has been encrypted for security purposes. Heap File An unsorted set of records. Information The transformation of raw data into useful facts. Punch Card A card that is perforated and can hold commands or data. Structured Data Information with a high degree of organization. Unstructured Data Information that does not have structure (such as text) Binary Relationship A relationship between two entity types. Unary Relationship An associate occurrence of an entity type with other occurrences of the same entity type. Cardinality The maximum number of entities that can be involved in a particular relationship. E-R Model *E-R = Entity - Relationship Diagram of entities together with their attributes and the relationship among them.