WGU C175 Exam Bundle Questions and Answers with complete solutions

What is a determining characteristic of unstructured data? - ANSWER-It does not follow a data model. Which is true about flat files? - ANSWER-They contain no internal hierarchical organization. Which technology has no internal hierarchy? - ANSWER-Flat files How were data retrieved before da...

availability - ANSWER-In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes centralized database - ANSWER-A database located at a single site cloud database - ANSWER-A database that is created and maintained us...

Binary relationship - ANSWER-A binary relationship is a relationship between two entity types. Candidate Key - ANSWER-Is any column or a combination of columns that can qualify as unique key in database. Cardinality - ANSWER-Cardinality represents the maximum number of entities that can be inv...

What are data? A) Facts that have been organized in a meaningful way B) Facts that are the result of a query of a database system C) Facts that are collected and stored in a database system D) Facts that have been processed and used for decision making - ANSWER-Facts that are collected and st...

What is a determining characteristic of unstructured data? - ANSWER-It does not follow a data model. Which is true about flat files? - ANSWER-They contain no internal hierarchical organization. Which technology has no internal hierarchy? - ANSWER-Flat files How were data retrieved before da...

1833-Charles Babbage - ANSWER-loom records patterns in punch cards 1890-Herman Hollerith - ANSWER-tabulator/sorter punch cards Amercian census-ABM 1911-James Powers - ANSWER-automatic feeders Powers tabulators machine comp>UNIVAC>UnisysCorp 1930's - ANSWER-Erasable magnetic tape for ...

_____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed. - ANSWER-Performance tuning The response of the DBMS to a query is the ______. - ANSWER-query result set Field refers to a collection of related records. - ANSWER-...

abstract data type (ADT) - ANSWER-Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n)___ is generally used to describe complex objects. See also class. ad hoc query - ANSWER-A "spur-of-the-moment" question. alias - ANSWER-An al...

centralized database - ANSWER-A database located at a single site. cloud database - ANSWER-A database that is created and maintained using cloud services, such as Microsoft Azure or Amazon AWS. data - ANSWER-Raw facts, or facts that have not yet been processed to reveal their meaning to the en...

What is the name of this relationship? - 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? - ANSWER-Many-to-many binary relationship What is the positioning and...