final exam Flashcards
the benefit of linux is
it’s cheap
a subclass ____ attributes from the superclass
inherits
a stack is
LIFO
In MIS we have to remember that we are always trying to meet the users _____
needs
a good side to redundancy is that it can lead to better ____
- results
- response time
a relationship that has attributes can become a(n) _____ entity
associative
when converting a many-to-many relationship, how many relations will be created
3
partial specialization (incomplete) implies
an instance of the superclass may not belong to a subclass
the overlap constraint states that
an instance of the superclass may belong to multiple subclasses
MySQL is a(n)
relational DBSM
the idea of a DBMS separating the data from the application is
data independence
the concept that a foreign key in one table must have a matching primary key in the connected table is
referential integrity
SQL stands for
structured query language
data dependence can lead to
data redundancy
the number or instances of entity A that may be associated with entity B is the
maximum cardinality