FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 11: Building Solutions

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 21

Multiple Choice

Review LaterAdd Note

Review Later

Which of the following is a number(s) or character(s) that is appended to or inserted into a primary key field?

A) check digit
B) index
C) insertion ordinal
D) integer

Correct Answer

verified

Show Answer

Question 22

True/False

Review LaterAdd Note

Review Later

Data integrity is important because computers and people use information to make decisions and take actions.

Correct Answer

verified

Show Answer

Question 23

True/False

Review LaterAdd Note

The data in a database is independent of programs that access that data.

Your database was damaged due to hardware failure. What can you use to restore it?

Which of the following statements is NOT true about object-oriented databases (OODBs) ?

Which of the following kind of checks is a validity check performed on data, which ensures users enter only numeric data into a field?

Who was the inventor of the relational database model?

Which of the following kind of checks is a validity check performed on data, which ensures users enter only alphabetic data into a field?

A user of a database such as that pictured in the accompanying figure refers to a file as what?

What is the term for the process of comparing data with a set of rules or values to find out if the data is correct?

In what kind of recovery does the DBMS use the log to reenter changes made to a database since the last save or backup?

Which of the following is a window on the screen that provides areas for entering or modifying data in a database?

Which of the following is NOT considered a part of file maintenance?

In a forward recovery, the DBMS uses the log to undo any changes made to a database during a certain period, such as an hour.

Like a form, a report generator is used to maintain and retrieve data.

In your database course, your instructor has given you a small database that has a lot of invalid data, issuing the challenge to you that you work to apply validation rules to the data and determine what checks need to be applied in order to restore integrity to the data. A quick scan of the data in the First Name field in the database yields the numbers 3 and 7 and an asterisk. What kind of check should you run on this field?

In the ASCII coding scheme, each byte represents a single ____________________, which can be a number, letter, blank space, punctuation mark, or other symbol.

____________________ is a common data type that consists of an email address or a web address that links to a webpage on the Internet, for example.

Which of the following statements is NOT true about multidimensional databases?

A(n) ____________________ verifies that a required field contains data.