Data Management Foundation C175 WGU

Associative Entity correct answers An associative entity is an element of the entity-relationship model. All relationships for the associative entity should be many. Attribute correct answers An attribute is a property or characteristic of an entity. Binary relationship correct answers A binary relationship is a relationship between two entity types. Candidate Key correct answers Is any column or a combination of columns that can qualify as unique key in database. Cardinality correct answers Cardinality represents the maximum number of entities that can be involved in a particular relationship. Cartesian product correct answers Usually the result of a missing join condition or a method of expanding the data of 1 table by the number of rows in the second table. Cascade Delete correct answers Will delete all records that reference the primary key column subquery correct answers Returns a single column of one or more values. data encryption correct answers When data is encrypted, 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 correct answers Is a methodology for organizing attributes into tables so that redundancy among the non-key attributes is eliminated. Data volatility correct answers Describes how often stored data is updated. Data Volume Assessment correct answers Understanding of how much data will be in a database or a table within a database Database correct answers A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. DCL correct answers Data control language is used to control access to data stored in a database.