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Draw an entity relationship diagram (ERD) for the following situation:
A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to store Employee_Name, Employee_Address, and Employee_BirthDate in the database. The company also has several projects. Each project is identified by a Project_Id. The company wants to store Project_Name and Project_StartDate in the database. Each employee must be assigned to one or more projects, or may not be assigned to a project. A project must have at least one employee assigned and may have any number of employees assigned. An employee's billing rate may vary by project, and the company wishes to record the applicable billing rate (Billing_Rate) for each employee when assigned to a particular project.
Analyze the SQL injection steps that Susan used that enabled her to access the E-shopping4u.com database. Describe at least two (2) tools that Susan could have used to assist her in the attack described within the case example, and suggest the key b..
Find the maximum salary of all employees who are not managers. Give all the managers in the database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
There are errors in the Company Schema. Identify all of the errors. Using ER Diagramming notation, diagram a relational model that is capable of modeling a e-commerce-based company. It should include the following information
question 1. the systems analyst proposes the subsequent two relationships between the flight and pilot entities what
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
Write-up thoughts on the tutorial on given tutorials: 2005 Tutorials
relational algebragiven the following set of relations from the east coast aquarium database list the sequence of
Instructions- This assignment builds on your first two assignments using Access and asks you to consider the process of designing, implementing, and converting data.
Explain what is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES.
Normal 0 false false false EN-US X-NONE X-NONE When conflict is good for tea..
your database has been a hit. you have been called back to the customers headquarters and they want a detailed report
Suppose that you are the database developer for a local college. The Chief Information Officer (CIO) has asked you to provide a summary of normalizing database tables that the IT staff will use in the upcoming training session
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