Exam 3: Database Systems, Data Warehouses and Data Marts

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

For each database, there:

(Multiple Choice)
4.8/5
(38)

A _____converts logical requests from users into their physical equivalents by interacting with other components of the database management system (DBMS). ​

(Multiple Choice)
4.7/5
(42)

Which of the following components of a data model describes methods and calculations that can be performed on data, such as updating and querying data?

(Multiple Choice)
4.9/5
(32)

Which of the following file structures is similar to a book index that lists page numbers where certain topics can be found?

(Multiple Choice)
4.7/5
(29)

In a(n) _____, records in files are organized and processed in numerical order. ​

(Multiple Choice)
4.9/5
(39)

Explain how information in a database is observed through the physical view and the logical view.

(Essay)
4.8/5
(44)

With the indexed sequential access method (ISAM), records cannot be accessed randomly.

(True/False)
4.8/5
(38)

Data in a database is used for analytical purposes, whereas data in a data warehouse is used for capturing and managing transactions.

(True/False)
4.7/5
(30)

Discuss how data was stored in flat files in the past. Explain the disadvantages associated with the flat file organization.

(Essay)
4.7/5
(25)

The _____ method for accessing files is effective when a large number of records are processed less frequently, perhaps on a quarterly or yearly basis.

(Multiple Choice)
4.9/5
(34)

In the context of the operators used in a query by example (QBE) form, the _____ is used when only one of the conditions in the QBE form must be met.

(Multiple Choice)
4.8/5
(35)

Briefly explain the responsibilities of a database administrator (DBA).

(Essay)
4.9/5
(32)

A database administrator (DBA) is responsible for _____.

(Multiple Choice)
4.7/5
(33)

The advantage of the _____is that both sequential and random access can be used to access records, depending on the number being accessed. ​

(Multiple Choice)
4.8/5
(33)

The variety dimension of big data refers to the combination of _____.

(Multiple Choice)
4.7/5
(42)

In the context of the input component of a data warehouse, _____ collect, integrate, and process data that can be used by all functional areas in an organization.

(Multiple Choice)
4.9/5
(34)

In object-oriented databases, grouping objects along with their attributes and methods into a class is called _____. ​

(Multiple Choice)
4.9/5
(36)

Although a database can consist of only a single file, it is usually a group of files.

(True/False)
4.9/5
(26)

In the context of the types of data in a database, which of the following is a source of external data?

(Multiple Choice)
4.8/5
(37)

Briefly explain the role of business analytics (BA) in decision making and compare it to business intelligence (BI).

(Essay)
4.8/5
(37)
Showing 81 - 100 of 105
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)