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MISY 5300 exam Questions and Answers 100% solved
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Exam of 9 pages for the course MISY at MISY (MISY 5300 exam)
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MISY 5300 examalgorithm - answer a defined set of steps to solve a problem
attribute - answer a characteristic property of an entity: also called a column or field
big data - answer the large volume of data produced by every digital process system,
sensor, mobile device, and even social media exchange
column - answer a characteristic or property of an entity; also called an attribute or field
data analyst - answer a job title for a person who uses tools and algorithms to mine a
database for answers, information, trends, and insights in internal organization data
data file - answer a file that stores data about a single entity in one table or list
data independence - answera quality that allows you to change the structure of a
database without requiring you to make major changes to the programs that access the
database
data redundancy - answerthe duplication of data, or the storing of the same data in
more than one place
data security - answerprotection of data from threats including the prevention of
unauthorized access to the database, encryption of data as it travels through a network,
protection against data corruption, and protection against all other electronic and
physical attacks to the data
database - answerA collection of data organized in a manner that allows access,
retrieval, and use of that data
database administration - answerA person or department that develops procedures and
practices to ensure efficient and orderly multiuser processing of the database, to control
changes to database structure, and to protect the database.
database administrator - answerthe person or group in charge of a database
database design - answerthe process of creating entities, attributes, and relationships
between tables of data
database management system - answera program through which users interact with the
data stored in a database
, encryption - answerconverting the data in a database to a format that is indecipherable
by anyone other than an authorized user
entity - answera person, place, event, item, or other transaction for which you want to
store and process data. also called a table.
entity relationship diagram - answera graphic model for database design in which
entities are represented as rectangles and relationships are represented as either
arrows or diamonds connected to the entities they relate
field - answera characteristic or property of an entity
flat file - answera file that stores data in lists that have no relationship to other lists
form - answera screen object used to maintain and view data from a database
integrity - answera database as integrity if the data in it satisfies all established integrity
constraints
integrity constraint - answerA rule that must be followed by data in a database
many to many relationship - answera relationship between three entities in which each
occurence of each entity can be related to many occurences of each of the other
entities
metadata - answerinformation about information; also descriptive data stored with input
sources
nosql - answera database management system such as mongodb that uses a
document model made up of collections and documents to store data
one to many relationship - answera relationship between two entities in which each
occurence of the first entity is related to many occurrences of the second entity, and
each occurrence of the second entity is related to at most one occurence of the first
entity
orphan record - answera record in the "many" child table that has no match to the "one"
parent table in a one to many relationship
record - answera collection of related fields that describe one item in a table ; can be
thought of as a row in a table
redunancy - answerthe duplication of data, or the storing of the same data in more than
one place
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