+61-413 786 465
info@mywordsolution.com
Home >> DBMS
What is key ?
Key - A single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances (rows) of the set (table) is called as key.
DBMS, Programming
Instructions For decades, relational databases remained essentially unchanged; data was segmented into specific chunks for columns, slots, and repositories, also called structured data. However, in this Internet of Thing ...
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 ...
Answer the following Question : Explain the difference between a database management system (DBMS) and a database. Are Microsoft Access, SQL Server, and Oracle examples of databases or database management systems (DBMS)?
Question : Talk about the importance of pulling data from worksheets into a single sheet also the ways excel could be a solution to a complex challenge. The response must be typed, single spaced, must be in times new rom ...
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 ...
Football Association of Zambia (FAZ) Super League The FAZ has recently decided to reorganise their operations to support both existing and possibly expanded league operations in Zambia and part of preparation for the 201 ...
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 ...
This is a starting out with visual basic programming problem, meaning its a basic programming nothing advanced. Question: Add a linq statement to the combo box text-changed event to dispaly the city field of the selected ...
SQL Transactions Exercises Consider table Item(name,price) where name is a key, and the following two concurrent transactions. T1: Begin Transaction; Update Item Set price = 2*price Where name = 'pencil'; Insert Into Ite ...
Data Mining Assignment - In this assignment you are asked to explore the use of neural networks for classification and numeric prediction. You are also asked to carry out a data mining investigation on a real-world data ...
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.
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