We're Open
+44 7340 9595 39
+44 20 3239 6980

[Solved] Describe in your own words the significance and importance of relationships in a relational database. You may use an exam

  100% Pass and No Plagiarism Guaranteed

[Solved] Describe in your own words the significance and importance of relationships in a relational database. You may use an example to illustrate your discussion.

Database/SQL Portion

 Please respond to the following questions and problems.

  1. Describe in your own words the significance and importance of relationships in a relational database. You may use an example to illustrate your discussion.
  2. Why is the study of database technology important for business professionals?
  3. Define the term referential integrity constraint. Please provide an example of a referential integrity constraint to illustrate your definition.
  4. Please indicate the SQL statement for the each of the following queries.
  5. Provide a list of all Customer first name, last name, and phone number for customers whose boats are over 32 feet in length. List should be sorted alphabetically by last name, first name.
  6. Provide a list of all Boat name sorted by size from smallest to largest.
  7. Provide a list of the possible boat lengths in the marina. A length should appear only once.
  8. Provide a list of the possible boat models in the marina. A model should appear only once.
  9. Provide a list of all customer IDs from Washington State.
  10. Database/SQL Portion
    1. The significance and importance of relationships in a relational database Relationships are important components of the database; they ensure the data makes sense as they sum up various components of the data. It is through relationships that an individual is able to make comparisons and contrasts, while further connecting on the meaning that the database hopes to raise. A simple example of such relationship in databases is when organizations identify data of their customers and divide it in various categories such as their age, regions, dates when they joined the organization and any other aspect that an organization sees fit to be on the database.
    2. Why is the study of database technology important for business professionals?

    The study of databases for business professionals is an important aspect as it allows them to categorize large sums of data into a simple outline or sheets. Such simplification makes it easy to monitor new upcoming needs and serve a huge number of people at a specific time. It also makes aspects such as communication easy as all the communication info that appears is safely kept on the database. Databases are also the basis for making decisions in an organization as they guide the professionals on the product trends of their customers.

    1. Referential integrity constraint

    Referential integrity constraint is a concept applied in relational databases with the aim of ensuring consistency on columns and rows. It may be defines as a similar association of two or more entities. A good example of the concept is when a reference of a book adopts two entities, the information about the author of the book and the publisher info.

    1. Please indicate the SQL statement for the each of the following queries.
    2. Provide a list of all Customer first name, last name, and phone number for customers whose boats are over 32 feet in length. List should be sorted alphabetically by last name, first name.

    SQL statement; first_name,last_name,phone_number from customer where boat_length>=32 0rder by last_name,first_name

    1. Provide a list of all Boat name sorted by size from smallest to largest.

    SQL statement; Select boat_name from customer order by size desc

    1. Provide a list of the possible boat lengths in the marina. A length should appear only once.

    SQL statement; select boat_length from customer group by boat_length

    1. Provide a list of the possible boat models in the marina. A model should appear only once.

    SQL statement; select model from customer where town=marina group by model

    1. Provide a list of all customer IDs from Washington State.

    SQL statement; select customer_id from customer where state=’Washington’

     


100% Plagiarism Free & Custom Written,
Tailored to your instructions


International House, 12 Constance Street, London, United Kingdom,
E16 2DQ

UK Registered Company # 11483120


100% Pass Guarantee

STILL NOT CONVINCED?

View our samples written by our professional writers to let you comprehend how your work is going to look like. We have categorised this into 3 categories with a few different subject domains

View Our Samples

We offer a £ 2999

If your assignment is plagiarised, we will give you £ 2999 in compensation

Recent Updates

Details

  • Title: [Solved] Describe in your own words the significance and importance of relationships in a relational database. You may use an example to illustrate your discussion.
  • Price: £ 120
  • Post Date: 2021-10-27T05:06:42+00:00
  • Category: Assignment Queries
  • No Plagiarism Guarantee
  • 100% Custom Written

Customer Reviews

[Solved] Describe in your own words the significance and importance of relationships in a relational database. You may use an example to illustrate your discussion. [Solved] Describe in your own words the significance and importance of relationships in a relational database. You may use an example to illustrate your discussion.
Reviews: 5

A masterpiece of assignment by , written on 2020-03-12

I have tried other sites for assignment help but the result that Insta Research has produced outweighs others. Since I am weak at writing and shaping the data logically, I am glad I took help from this site. Thanks to my writer for such a great quality of the assignment in Business.
Reviews: 5

A masterpiece of assignment by , written on 2020-03-12

Insta Research is a very helpful place to buy a resume in the first place. I gave them my details and did not expect that they would come up with such an exclusive design. My personality is professionally enhanced through the resume made by them. I am thankful for the depth of my heart as I would have never approached that level of excellence in my resume. Wish you good luck ahead and again thank you!