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Assuming relations have the same size and uniform distributions, what is the best plan with Nested Loop joins only? Write it as an algebra expression.
DBMS, Programming
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 ...
Question: Create the physical data model for the logical data model that you submitted in IP3. This should include all of the data definition language SQL. Your submission should include all DDL needed to: Create the tab ...
Quesiton: 1. What is Data-Manipulation Language (DML)? There are four types of access in DML, explain each one. 2. Assume we have a Library Database consists of the following relations: author(author_id, first_name, last ...
Case Study: Problem 1 The case study company has experienced rapid growth in both the size of its client base and also in the services provided to clients. Unfortunately, the growth in data management policies, procedure ...
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 ...
Assignment A restaurant is designing a database to keep track of customer services. A customer is defined as a customer ID, name, address and a telephone number. Customers are served by employees. Each employee is define ...
The groceries Dataset Imagine 10000 receipts sitting on your table. Each receipt represents a transaction with items that were purchased. The receipt is a representation of stuff that went into a customer's basket. That ...
Question: Find at least two academic sources that describe the movement of Enterprise resource planning (ERP) activities to the cloud. Discuss the types of ERP activities that can be conducted in the cloud and the pros a ...
Suppose that you have designed a database for Morgan Importing that has the following tables: EMPLOYEE (EmployeeID, LastName, FirstName, Department, Phone, Fax, EmailAddress) STORE (StoreName, City, Country, Phone, Fax, ...
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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