WGU C170 Terms With Complete Solution
WGU C170 Terms With Complete Solution Associative Entity Ans- All relationships for the (...) entity should be many. Attribute Ans- An (...) is a property or characteristic of an entity. Binary relationship Ans- A (...) is a relationship between two entity types. Cardinality Ans- (...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete Ans- Will delete all records that reference the primary key Database Ans- A (...) is a collection of information that is organized so that it can easily be accessed, managed, and updated. E-R model Ans- An (...) is a data model for describing a database in an abstract way. Entity Ans- An (...) is an object or event in our environment that we want to keep track of. Intersection Data Ans- Associated with the concatenation of two segments Modality Ans- (...) represents the minimum number of entity occurrences that can be involved in a relationship. Ternary Relationship Ans- A (...) relationship is when three entities participate in the relationship. Unary Relationships Ans- (...) relationships associate occurrences of an entity type with other occurrences of the same entity type.Unique Identifier Ans- A (...) is any identifier which is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. Data encryption Ans- When data is (...), it is changed, bit by bit or character by character, into a form that looks totally garbled. It can and must be reconverted, or decrypted, back to its original form to be of use. Data normalization Ans- Is a methodology for organizing attributes into tables so that redundancy among the non-key attributes is eliminated. Data volatility Ans- Describes how often stored data is updated
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