User Account

All Pages

Define relational databases

Assignment Help Database Management System
Reference no: EM13333489

In this Discussion Board, you are asked to define and describe background information of a relational database. Include the following information:

Define relational databases.

What are the characteristics of a relational database?

Be sure to at least address the following:

Concepts of a relation or table

Properties of a relation

Schema concepts

Describe real applications that use a relational database.

Reference no: EM13333489

Questions Cloud

Explain the initial temperature of the solution was 25.0oc : A reaction is performed in which 50.0 ml of 0.400 M silver nitrate and 75.0 ml of 0.100 M hydrochloric acid are mixed together. The initial temperature of the solution was 25.0oC
What is the future value of 1000dollar in a bank account : what is the future value of $1000 in a bank account for six years at an annual interest rate of 8%
Explain how many of the following combination of reactants : how many of the following combination of reactants would result in a chemical reaction being observed. Aditition of liquid bromine to an aqueous solution of NaCl Aditition of liquid bromine to an aqueous solution of NaI Bubbling chlorine gas
What is the magnification of the mirror : A concave mirror has a focal length of 16 cm. The mirror forms an image located 36 cm in front of the mirror. What is the magnification of the mirror
Define relational databases : In this Discussion Board, you are asked to define and describe background information of a relational database. Include the following information.
What is the focal length of the water drop : A drop of water on a countertop reflects light from a flower held 2.2 cm directly above it. What is the focal length of the water drop
How much work is done by the variable force : A cylindrically shaped piece of collagen (a substance found in the body in connective tissue) is being stretched by a force that increases from 0 to 2.73 10-2 N. How much work is done by the variable force that stretches the collagen
Texas disciplinary rules of professional conduct : Under the Texas Disciplinary Rules of Professional Conduct, may a lawyer refuse a former client's request to disclose or turn over the lawyer's notes made in the course of and in furtherance of his representation of the client?
Find the initial rate at which its temperature changes : A blackened, solid copper sphere that has a radius equal to 2.5 cm hangs in an evacuated enclosure whose walls have a temperature of 29°C. find the initial rate at which its temperature changes

Reviews

Write a Review

Database Management System Questions & Answers

  A database security did not take priority in the enterprise

Data breaches have been reported in all industries, from education to healthcare to finance. Database security did not take priority in the enterprise IT security plans until a few years ago

  Write table in dbdl notation after applying methodology

Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..

  Create three use case diagrams for the new billing

Using the Hillside School Case Study and your stage 1, 2, and 3 projects, develop a decision paper that serves as a system "sign-over" document for system deployment and transfer of responsibility for the newly designed and implemented system to t..

  Explain what do business rules require to be effective

What are the advantages of having the DBMS between the end user's applications and the database. What are some reasons for studying file systems. IT 645 - Database Management Systems

  Print to screen the ''below average''

Print to screen the 'below average' if minimum unit_cost is 10 for the same product (use sh.costs table)

  Evaluate maximum rate at which data can be read from disk

What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?

  What is recovering database via rollforward

What is Recovering a database via rollforward? What is aim of transaction log? What is contained in transaction log?

  Explain it project to coordinate and maintain records

The system should support notifications to management personnel whenever their direct reports have submitted documentation. The system should also notify employees if their deadline to complete professional-development requirements is approaching ..

  Data modeling and normalization

Data Modeling and Normalization

  Determine a list of n numbers has no duplicates

Express given five loosely described problems carefully in { Instance, Question } form as utilized in "Computers and Intractability". Determine that a list of n numbers has no duplicates.

  Develop view for sum of number ordered multiplied by price

Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price.

  Which is not a factor to consider in software evaluation

Which is not a factor to consider in software evaluation?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd