WGU C175 Study Notecards 100% GUARANTEE PASS 2023/2024

WGU C175 Study Notecards 100% GUARANTEE PASS 2023/2024 Flat Files - CORRECT ANSWER a file having no internal hierarchy Hashed Files - CORRECT ANSWER A file that has been encrypted for security purposes. Heap File - CORRECT ANSWER An unsorted set of records. Information - CORRECT ANSWER The transformation of raw data into useful facts. Punch Card - CORRECT ANSWER A card that is perforated and can hold commands or data. Structured Data - CORRECT ANSWER Information with a high degree of organization. Unstructured Data - CORRECT ANSWER Information that does not have structure (such as text) Binary Relationship - CORRECT ANSWER A relationship between two entity types. Unary Relationship - CORRECT ANSWER An associate occurrence of an entity type with other occurrences of the same entity type. Cardinality - CORRECT ANSWER The maximum number of entities that can be involved in a particular relationship. E-R Model *E-R = Entity - Relationship - CORRECT ANSWER Diagram of entities together with their attributes and the relationship among them. Intersection Data - CORRECT ANSWER It is data that describes a many-to-many relationship. Modality - CORRECT ANSWER It is a minimum number of entity occurrences that can be involved in a relationship. One-to-one Binary Relationship - CORRECT ANSWER It means that a single occurrence of one entity type can be associated with a single occurrence of the other entity type and vice versa. Ternary Relationship - CORRECT ANSWER Involves three different entity types. Unique identifier - CORRECT ANSWER It is used to uniquely identify each record in a database table. Attribute - CORRECT ANSWER A property, characteristic, or fact that we know about an entity. "A salesperson works in one office." What is the name of this relationship? - CORRECT ANSWER One-to-one binary relationship "A salesperson sells to many customers." What is the name of this relationship? - CORRECT ANSWER One-to-many binary relationship "A salesperson is authorized to sell many products, and a product can be sold by many salespersons." What is the name of this relationship? - CORRECT ANSWER Many-to-many binary relationship What is the positioning and meaning for Cardinality and Modality on an E-R model? - CORRECT ANSWER Cardinality is the outer symbol; represents the maximum. Modality is the inner symbol; represents the minimum.