Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

A super key is an attribute or set of attributes used to recognize the records uniquely in a relation.

For instance, in the Relation PERSON defines earlier PERSON_ID is a super key since PERSON_ID is unique for every person. Likewise (PERSON_ID, AGE) and (PERSON_ID, NAME) are also super keys of the relation PERSON as their combination is also unique for each record.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M9526422

Have any Question?


Related Questions in DBMS

Tableau is business intelligence software that helps people

Tableau is business intelligence software that helps people see and understand their data. Fast Analytics Connect and visualize your data in minutes. Tableau is 10 to 100x faster than existing solutions. Ease of Use Anyo ...

Query 1 the bookstore has decided to keep track of the

Query 1: The bookstore has decided to keep track of the vendors' information. In order to do this, one new table will be added to the database. The schema for this table, as related to the existing tables, is the followi ...

Question as explained throughout this course entity

Question: As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed. ...

Database design amp development assignment -assignment

Database Design & Development Assignment - Assignment title - Design and Implement a Relational Database for a local Print and Ink Refill Business. Learning Outcome - Use an appropriate design tool to design a relational ...

Sqlwrite a select statement that returns one column from

SQL Write a SELECT statement that returns one column from the Vendor table named Full Name. Create this column from the VendorContactFName and VendorContactLName columns. Format it as follows: last name, comma, first nam ...

Q1 given the following file for assignment workercom

Q1. Given the following file for assignment worker.com, identify data anomalies that must be removed before data can be loaded in data warehouse. Worker_assignment ← -----------------on course web site File is available ...

Real time analytics - data analytics assignment -this is a

Real Time Analytics - Data Analytics Assignment - This is a business analytics project aimed at generating innovative analytics solutions for a Global Food Consulting firm working in the area of Animal agriculture and fa ...

You are responsible for keeping track of meal expenses for

You are responsible for keeping track of meal expenses for ten employees while at a business lunch to which your employer has invited you to attend. Write an algorithm that inputs the lunch costs for each the ten employe ...

A taking an unnormalised list describe how you would

(a) Taking an unnormalised list, describe how you would normalise it using the normal forms technique and show how the result of this method is used. (b) You are currently in the process of developing a RDBMS for a natio ...

Sql query assignment -for this assignment you are to write

SQL Query Assignment - For this assignment you are to write your answers in a word document. This assignment is in three parts: Part A (reporting queries), Part B (query performance), Part C (query design). For this assi ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As