« previous next »

Author Question: What are the record-level data transformation functions? What will be an ideal ... (Read 68 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Jul 7, 2018
What are the record-level data transformation functions?
 
  What will be an ideal response?

Question 2

Databases were developed as the first application of computers to data processing.
 
  Indicate whether the statement is true or false
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
Buy Test-Bank


kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 7, 2018
Answer to Question 1

Record-level data transformation functions operate on a set of records, such as a file or a table. The most important record level functions are:
1. Selectionthis is the process of partitioning data according to some pre-defined conditions
2. Joiningcombines the data from several tables into a single view
3. Normalizationdecomp osing relations with anomalies
4. Aggregationprocess of transferring data from a detailed level to a summary level

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

nautica902

  • Hero Member
  • *****
  • Posts: 591
Reply #2 on: Jul 7, 2018
Thank you


kingdude89

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 7, 2018
No problemo


« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Synthesis and major functions of the chief steroid hormones in animals. Synthesis and major functions of the chief steroid hormones in animals.
Functions of antibodies Functions of antibodies
One indication of the remarkable transformation of Harlem is town hall meetings. This one was held ... One indication of the remarkable transformation of Harlem is town hall meetings. This one was held ...
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
Finding derivatives of Trig Functions - pt 3 Finding derivatives of Trig Functions - pt 3
Chi-Square Analysis of Mendel's Data Chi-Square Analysis of Mendel's Data
Video: The Vestibular System

For a complete list of videos, visit our video library