Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Saving Derived Attributes to Avoid Re-computation

Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define new classes and objects and these derived classes must be updated if any of the base objects is changed.

 

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M9580184

Have any Question?


Related Questions in DBMS

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 ...

Database and information retrieval assignment - data

Database and Information Retrieval Assignment - Data Privacy Essay Task - Write an essay (aim for 750 words) that addresses issues associated with data proivacy. Use the Australian Privacy Principles - discussed in class ...

Students will select a situation or problem from their

Students will select a situation or problem from their company as a course project that can be solved using a database system. Using MS Access, or MS SQL Server Express, students will create a relational database model o ...

Solve the following questions using oracle you are not

Solve the following questions using Oracle. You are not allowed to use the syntax of any DBMS other than Oracle. Make sure to upload an electronic copy of your solution to your CSC335 TRACE folder. Name the file hw4.sql. ...

Backgrounda new training organization called abc

Background A new training organization called ABC TechTraining is opening soon and they have approached you to help design their new database. They have just completed the refurbishment of the premises and are now lookin ...

Question 1 a- consider that you are asked to design an

Question: 1. (a)- Consider that you are asked to design an entity relationship diagram based on the below scenario: A university consists of a number of departments (id, d_name) and each department offers some courses. A ...

Assignmentqueries functions and triggersdatabase

Assignment Queries, Functions and Triggers Database Systems Aims The aims of this assignment are to: formulate SQL queries; populate an RDBMS with a real dataset, and analyse the data; design test data for testing SQL qu ...

Question create an erd for the following scenarioa small

Question: Create an ERD for the following scenario. A small company ABC wants a database to keep track of internal company information. Â Given the following information create an ERD. The ABC Company has several departm ...

Question create an erd for the following scenario once you

Question: Create an ERD for the following scenario. Once you submit you will get access to the correct way to create the ERD. Please watch the video and correct any errors in your submission and resubmit. A small company ...

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 ...

  • 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