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ERD (Entity Relationship Diagram)
You will develop the entity relationship diagram (ERD) for your project database based on the initial data requirements.
The company that we are working on distributes many products, like secure bolts and screws, to many different construction companies. In order for the company to be successful it is important for them to keep a reliable and accurate inventory system.
As part of the diagram, includeentitiesattributesprimary keysrelationshipscardinalities (both minimum and maximum)The ERD should include documentation of design decisions. It should conform to instruction through Chapter 4 of the text, but should not be converted to relational tables. Develop the diagram using VISIO or Word.
explain difference between the typed password and "Phoenix".
while a house is chosen by the roommates, the user will give information for it. To allow extensibility, a house object can be created with no information available, address of the house only or the address of the house, monthly rent and security d..
Implements a switch: show the user three choices, obtains the choice and display an action based on that choice. One of the actions will include an if..else. Also include a default for incorrect choices.
Explain Do all DBMSs have their own language? Is it similar to a programming language.
Reduced instruction set computers provide a large number of general-purpose registers and very few memory access instructions. Most instructions use registers instead of memory. What are the benefits of such architecture? Can you think of a disadv..
make an electricity usage report showing the customer number.
Write down all the code for a class called ArrayQsn. This class will contain two methods. The first method runningSumMean accepts an array of ints as a parameter, and would return the mean of the values as a double. It also changes the values of t..
The presence of one or more foreign keys in a relation prevents. When an entity has a relationship to itself, we have a?
The receiver initiated the distributed scheduling algorithms assumed task pre-emption at sender site. Devise an approach, that is receiver-initiated however non pre-emptive.
How to create program that performs arithmetic function Prompt a user for values for the variables. Pass both variables to methods named sum() and difference().
Consider the following declarations (that are used in order to process singly-linked lists as explained in this section).Explain what will be displayed by each of following code segments or discuss why an error occurs.
A contractor needs a program that calculates and shows the volume of a rectangular pool of constant depth. Complete an IPO chart for this problem. Use pseudocode in Processing column.
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