What is added to a relational database to eliminate many-to-many relationships?
bridging table
transitive dependency
primary entity
secondary entity
answer
bridging table
question
Data in first normal form (1NF) does not contain which of the following?
primary key
repeating groups
partial dependencies
both a and b
answer
repeating groups
question
Which of the following is not a step in the Systems Development Life Cycle (SDLC)?
systems analysis
systems investigation
systems design
all of the above are steps in the SDLC
answer
all of the above are steps in the SDLC
question
In an E-R Model a person, place, or thing with characteristics to be stored in the database are referred to as?
entity
row
attribute
file
answer
entity
question
Which of the following committees are responsible for establishing SQL guidelines?
ANSI and ASCII
ANSI and ISO
IEEE and OSI
OSI and ASCII
answer
ANSI and ISO
question
Which of the following terms best describes where a group of characters that represents a customer's address would be stored in the logical design?
record
file
field
database
answer
field
question
Which of the following terms is considered the basic unit of data in a database?
character
field
record
file
answer
character
question
A foreign key is usually found on which side of a relationship?
one
many
unnormalized
primary entity
answer
many
question
In which step of the Systems Development Life Cycle (SDLC) is the system actually used by the end-user on a regular basis?
systems investigation
systems analysis
systems deployment
systems implementation and review
answer
systems deployment
question
Data mining refers to ____.
discovering new data to include in the database
analyzing data already stored in a database
selling data to other organizations
all of the above
answer
analyzing data already stored in a database
question
Partial dependency exists if what conditions exist?
a column is dependent on a portion of the table that is not identified as the primary key
a column is dependent only on a portion of a composite primary key
the data contains repeating groups
the table is not in first normal form (1NF)
answer
a column is dependent only on a portion of a composite primary key
question
Which of the following may contain partial dependencies, but cannot contain repeating groups?
unnormalized data
first normal form (1NF)
second normal form (2NF)
third normal form (3NF)
answer
first normal form (1NF)
question
Analyzing historical sales data stored in a database is commonly referred to as ____.
data storage
data mining
data manipulation
archived data
answer
data mining
question
Which of the following may contain transitive dependencies, but not partial dependencies?
unnormalized data
first normal form (1NF)
second normal form (2NF)
third normal form (3NF)
answer
second normal form (2NF)
question
Which of the following does not contain repeating groups, but has a primary key and possibly partial dependencies?
unnormalized data
first normal form (1NF)
second normal form (2NF)
third normal form (3NF)
answer
first normal form (1NF)
question
What represents a characteristic or attribute that is being collected about an entity?
record
row
field
both a and b
answer
field
question
If the data has no partial dependencies, repeating groups, or transitive dependencies, and has a composite primary key, the data is in which form?
first normal
second normal
third normal
unnormalized
answer
third normal
question
The multi-step process used when creating a new system is referred to as ____.
the Systems Development Life Cycle
data mining
E-R Modeling
SQL
answer
the Systems Development Life Cycle
question
Which of the following can be used to link the data in two or more tables together?
repeating group
relationships
SDLC
common field
answer
common field
question
In which step of the Systems Development Life Cycle (SDLC) are the logical and physical components defined?
systems recovery
systems analysis
systems design
systems implementation and review
answer
systems design
question
Which of the following can lead to partial dependencies?
composite primary key
common fields
foreign keys
normalization
answer
composite primary key
question
A field in the logical design of a database corresponds to a ____ in the physical database.
column
row
table
file
answer
column
question
Which of the following is an example of an attribute?
a person's hair color
the people who live in a particular town
the patients in a doctor's office
vendors
answer
a person's hair color
question
Which of the following is used to create and maintain the physical database?
Data mining
Database Management System (DBMS)
E-R Model
Systems Development Life Cycle (SDLC)
answer
Database Management System (DBMS)
question
A ____ is a storage structure designed to hold a collection of data.
column
row
table
database
answer
database
question
Which of the following is an interface tool that allows a user to create, edit, and manipulate data in Oracle11g?
SQL
SQL*Plus
ASCII
Script
answer
SQL*Plus
Haven't found what you need?
Search for quizzes and test answers now
Quizzes.studymoose.com uses cookies. By continuing you agree to our cookie policy