« previous next »

Author Question: Explain Second Normal Form and provide examples. What will be an ideal ... (Read 82 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
on: Jul 7, 2018
Explain Second Normal Form and provide examples.
 
  What will be an ideal response?

Question 2

The most rapidly growing type of computing is desktop computing.
 
  Indicate whether the statement is true or false


bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 7, 2018
Answer to Question 1

Second Normal Form removes functional dependencies from entities. A functional dependency is where several attributes form a subgroup or sub theme in the entity. These subgroups should be removed to a separate entity. An example might be Employee table that also contains department information. The Department information would form a sub theme that should be separated into its own entity.

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Embryonic cells form the placenta Embryonic cells form the placenta
Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm. Aquamatic pad and heating unit provide dry heat treatment to a patient’s arm.
Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ... Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ...
Examples of Cuneiform Writing Examples of Cuneiform Writing
Examples of Conditions Detected by Prenatal Genetic Screening Methods Examples of Conditions Detected by Prenatal Genetic Screening Methods
Examples of Differences in Mitochondrial Genetic Codes Examples of Differences in Mitochondrial Genetic Codes
Video: Epidural Hematoma

For a complete list of videos, visit our video library