INFORMATION SYSTEMS TODAY MANAGING IN THE DIGITAL WORLD UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPLETE STUDY GUIDE

INFORMATION SYSTEMS TODAY
MANAGING IN THE DIGITAL WORLD
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE

●● ________is a software application with which you create, store,
organize, and retrieve data from a single or several databases.
Answer: Database management System


●● Something you collect data about, such as people or classes
Answer: Entity


●● contains entities. Consists of rows and columns.
Answer: Tables


●● _______ is collections of related data organized in a way that
facilitates data searches.Used by organizations for supporting sales
transactions, tracking inventory, identifying potential customers for
personalized communications.
Answer: databases

, ●● the row in a table, a collection or related attributes about a single
instance of an entity
Answer: Record


●● column, one cell in a row, each attribute contains a piece of
information about the entity.
Answer: attribute


●● a map or diagram that represents entities and their relationships. (
e.g. entity-relationship diagram)
Answer: data model


●● each attribute has a specified data type ( text, numbers or dated).
Answer: Data type


●● a process to make sure the database will operate efficiently. Help to
eliminate data duplication.
Answer: Normalization


●● (metadata repository) a document explaining information for each
attribute (name, whether it is a key, data type and valid values)
Answer: Data dictionary