Examlex
A "composite object" cannot contain more than one multivalued attribute.
Private Methods
Methods that are accessible only within the class in which they are defined.
Static Methods
Functions in a class that are declared with the static modifier and can be called without creating an instance of the class.
Polymorphism
A programming concept that allows objects of different classes to be treated as objects of a common superclass.
Base Class
The parent class in a hierarchy from which other classes inherit methods and properties.
Q6: Recovering a database via rollback involves:<br>A)restoring the
Q19: In UML notation,the relationship line in a
Q36: SQL Server automatically makes determinations of whether
Q39: The SQL keyword TOP _.<br>A)limits the number
Q43: Because SQL statements are table-oriented,whereas programs are
Q52: Describe the database files that are automatically
Q60: The default transaction isolation level for SQL
Q71: In 1:N relationships,the table on the "many"
Q77: EXISTS and NOT EXISTS are actually just
Q82: A null value in a column may