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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
DBMS, Programming
Select * From E, D, P WHERE E.dept=D.dept AND D.city=P.city AND D.budget>1M AND P.priority=A; Assuming relations have the same size and uniform distributions, what is the best plan with Nested Loop joins only? Write it a ...
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 ...
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 can work on this assignment individually or in a group of 2. If you are working in a group please establish a group in Assignment 2 Group on Canvas In this assignment you are asked to explore the use of neural networ ...
Assignment Task - Write and run SQL statements to complete the following tasks Part A - DML 1. Show the details of the products where the product code starts with '22'. 2. Display the vendor details from areacode 615. 3. ...
Project Outline and Requirements Provide a brief description of the organization (can be hypothetical) that will be used as the basis for the projects in the course. Include company size, location(s), and other pertinent ...
SQL injection on a search The way Search performs its task is by executing the following query (in a php script): $var=stripslashes($_POST['search']); $query = "SELECT username from lab1_login where use ...
Relational Database Design A) Given the following business rules, identify entity types, attributes (at least two attributes for each entity, including the primary key) and relationships, and then draw an Entity-Relation ...
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. ...
Question : Suppose we have two kinds of doctors: hospital doctors and family physicians. In addition to the doctor's id number, name, specialty, and years of experience, we want to record the hospital name for the hospit ...
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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 coupon bonds. Under what conditions will a coupon bond sell at a p
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 $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 for 19 years, given a discount rate of 6 percent per annum. As