« previous next »

Author Question: What are the record-level data transformation functions? What will be an ideal ... (Read 14 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?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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 ...
Structures and Functions of the Ear Structures and Functions of the Ear
Prove that each of the following real functions f has a discontinuity. For each function, ... Prove that each of the following real functions f has a discontinuity. For each function, ...
Chi-Square Analysis of Mendel’s Trihybrid-Cross Data Chi-Square Analysis of Mendel’s Trihybrid-Cross Data
Gamete genotype frequencies calculated from genetic linkage data Gamete genotype frequencies calculated from genetic linkage data
Avery, MacLeod, and McCarty’s use of in vitro transformation Avery, MacLeod, and McCarty’s use of in vitro transformation
Video: Proteins

For a complete list of videos, visit our video library