What does referential integrity do?
A) Prevents the entry of a foreign key unless the primary key exists in the related table
B) Prevents data from being edited or deleted
C) Allows users to delete records in tables
D) Allows unrelated fields to be modified
A
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To _____ an object from an imported schema, you must declare the namespace of the imported schema in the schema element.
A. reference B. use C. define D. apply
Computer manuals and packaging materials might be useful for investigators for all of the following reasons EXCEPT which?
a. They are legally required for the related hardware to be admitted as evidence. b. They can alert investigators to hidden programs. c. They are often a popular place for hiding passwords. d. They can provide clues about the relative sophistication of the user.
BinarySearch( ) is ____.
A. a method in the Array class B. an instance method C. usable as long as you declare an array D. must be used with integer arguments
Answer the following statements true (T) or false (F)
1. The process of creating a high-quality program only involves writing code. 2. Flow charting is a tool that programmers use to design programs, and is considered superior to pseudocode. 3. Virtually all nontrivial code contains syntax errors when it is first written. 4. A logic error is a mistake that causes a program to generate incorrect results.