Computer Science > QUESTIONS & ANSWERS > WGU C170 Terms Latest 2022 100% Correct (All)
WGU C170 Terms Latest 2022 100% Correct Associative Entity ✔✔All relationships for the (...) entity should be many. Attribute ✔✔An (...) is a property or characteristic of an entity. Binar... y relationship ✔✔A (...) is a relationship between two entity types. Cardinality ✔✔(...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete ✔✔Will delete all records that reference the primary key Database ✔✔A (...) is a collection of information that is organized so that it can easily be accessed, managed, and updated. E-R model ✔✔An (...) is a data model for describing a database in an abstract way. Entity ✔✔An (...) is an object or event in our environment that we want to keep track of. Intersection Data ✔✔Associated with the concatenation of two segments Modality ✔✔(...) represents the minimum number of entity occurrences that can be involved in a relationship. Ternary Relationship ✔✔A (...) relationship is when three entities participate in the relationship. Unary Relationships ✔✔(...) relationships associate occurrences of an entity type with other occurrences of the same entity type. Unique Identifier ✔✔A (...) is any identifier which is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. Data encryption ✔✔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 ✔✔Is a methodology for organizing attributes into tables so that redundancy among the non-key attributes is eliminated. Data volatility ✔✔Describes how often stored data is updated. Data Volume Assessment ✔✔Understanding of how much data will be in a database or a table within a database Denormalization ✔✔The act of duplicating data in a database for performance or the preservation of historical information Disaster recovery ✔✔Involves rebuilding an entire information system or significant parts of one after a catastrophic natural disaster such as a hurricane, tornado, earthquake, building collapse, or even a major fire Index ✔✔Used to help a DBMS find data quickly Logical view ✔✔Is a mapping onto a physical table or tables that allows an end user to access only a specified portion of data. Response time ✔✔Is the delay from the time [Show More]
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