What is a subtype discriminator give an example of its

Question

PART I

Directions: Write a 250 to 300 word response to each of the following prompts.

1. Define data definition commands, data manipulation commands, and data control commands and their individual influence on SQL.

2. Discuss a referential integrity constraint.

3. Explain the benefits an organization receives by obtaining a SQL standard.

PART II

Please utilize LIRN conduct research on the topics outlined in the questions below. You may visit the Academic Resource Center for a guide on how to utilize LIRN successfully. Your response to each question should be one page in length and include 1-2 references in APA format.

1. What is an entity supertype, and why is it used?

2. What kinds of data would you store in an entity subtype?

3. What is a subtype discriminator? Give an example of its use.

4. What is an overlapping subtype? Give an example.

Answer 1

It has the two parts of assignment and signifying many directions PART I Directions: Inscribe a 200 to 350 word response to each of the subsequent prompts. 1. Describe data definition commands, data manipulation commands, and data control commands and their entity influence on SQL. 2. Converse a referential integrity constraint. 3. Illustrate the benefits an organization receives via attaining a SQL standard. PART II Please utilize LIRN conduct research on the topics outlined in the questions below. You might visit the Academic Resource Center for a guide on how to utilize LIRN successfully. Your response to each question should be one page in length and comprise 1-2 references in APA format. 1. What is an entity super kind, and why is it used? 2. What kinds of data would you store in an entity subtype? 3. What is a subtype discriminator? Give an instance of its use. 4. What is an overlapping subtype? Give an instance.