Module 1: Introduction to Database Management(with
Errorless answers)
Data redundancy correct answers The duplication of data, or the storing of the same data in
more than one place.
redundancy correct answers The duplication of data, or the storing of the same data in more than
one place.
database correct answers A collection of data organized in a manner that allows access,
retrieval, and use of that data.
relational database correct answers A collection of related tables of data.
entity correct answers A person, place, event, item, or other transaction for which you want to
store and process data. Also called a table.
table correct answers A person, place, event, item, or other transaction for which you want to
store and process data. Also called an entity.
attribute correct answers A characteristic or property of an entity; also called a column or a field.
field correct answers A characteristic or property of an entity; also called an attribute or a
column.
column correct answers A characteristic or property of an entity; also called an attribute or a
field.
relationship correct answers An association between entities.
one-to-many relationship correct answers A relationship between two entities in which each
occurrence 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 occurrence of the first entity.
many-to-many relationship correct answers occurs when multiple records in a table are
associated with multiple records in another table.
1-3 Storing data
data file correct answers A file that stores data about a single entity in one table or list.
flat file correct answers A file that stores data in lists that have no relationship to other lists.
data file correct answers A file that stores data about a single entity in one table or list
Errorless answers)
Data redundancy correct answers The duplication of data, or the storing of the same data in
more than one place.
redundancy correct answers The duplication of data, or the storing of the same data in more than
one place.
database correct answers A collection of data organized in a manner that allows access,
retrieval, and use of that data.
relational database correct answers A collection of related tables of data.
entity correct answers A person, place, event, item, or other transaction for which you want to
store and process data. Also called a table.
table correct answers A person, place, event, item, or other transaction for which you want to
store and process data. Also called an entity.
attribute correct answers A characteristic or property of an entity; also called a column or a field.
field correct answers A characteristic or property of an entity; also called an attribute or a
column.
column correct answers A characteristic or property of an entity; also called an attribute or a
field.
relationship correct answers An association between entities.
one-to-many relationship correct answers A relationship between two entities in which each
occurrence 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 occurrence of the first entity.
many-to-many relationship correct answers occurs when multiple records in a table are
associated with multiple records in another table.
1-3 Storing data
data file correct answers A file that stores data about a single entity in one table or list.
flat file correct answers A file that stores data in lists that have no relationship to other lists.
data file correct answers A file that stores data about a single entity in one table or list
