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Assignment 1: Business Rules and Data Models Suppose a local college has tasked you to develop a database that will keep track of students and the courses that they have taken. In addition to tracking the students and courses, the client wants the database to keep track of the instructors teaching each of the courses. Use the internet to research the types of information that a college would want to track in a database. Focus your attention on information that could represent entities within a database as well as attributes of such entities.
Thoroughly described the purpose of the database.
Thoroughly described the entities of the database and the attributes of each entity, based on your research and / or common knowledge of a college and the information tracked by a college.
Thoroughly described the business rules that could impact the structure of the database, based on your research and / or common knowledge of a college and the information tracked by a college.
Thoroughly determined the information that the conceptual model of the database would include and thoroughly determined the information that the physical model of the database would include.
Recommend the actions that should be performed in order to optimize record selections and to improve database performance from a quantitative data quality assessment
Show all the LastNames from the Customers table and any associated OrdersIDs from the Orders Table.
in the response to this forum note that you have successfully installed the product and what you experienced in the
Recognize level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur.
Create an entity relationship diagram by today for an automated web-based timesheet portal system - An Entity-Relationship Diagram of an automated payroll system for a company.
Draw a context diagram that represents a Supply Ordering System (SOS).
Explain how you would formulate an SQL injection attack against an e-Commerce server such as Amazon
A controller action is taking 10 seconds to run. Most of the time is being spent in a view which is a large file.(1000 lines). How will you go about debugging the speed issue?
Write insert statements to insert the data into the tables above. Show all the insert statements you used, along with the order they were run in. Use the seq_employee_id SEQUENCE to get the employee_id. Do not hard-code the manager_id value in..
Design a Relational Database using Entity-Relationship Diagram (ER-D) and design a Relational Database by Mapping Entity-Relationship Diagram (ER-D) into Relational Models.
Explain why the addition of NOT NULL constraints to the SQL definition of the Manages relation would not enforce the constraint that each department must have a manager.
This assignment uses a database with data about a university; the database resides in our Oracle servers. The schema of the database is provided below. Keys are in bold face and underlined, field types are omitted; assume that appropriate foreign ..
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