« previous next »

Author Question: What are the record-level data transformation functions? What will be an ideal ... (Read 62 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?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Endocrine Gland Hormones and Their Functions Endocrine Gland Hormones and Their Functions
How to find derivatives of reciprocal trigonometric functions How to find derivatives of reciprocal trigonometric functions
How to create a frequency table and histogram from raw data How to create a frequency table and histogram from raw data
Range for Functions Range for Functions
Functions Functions
Denney's model ON actual level of performance on exercised and unexercised abilities Denney's model ON actual level of performance on exercised and unexercised abilities
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library