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1. What is an Oracle Instance? 2. What are the four Oracle system processes that must always be up and running for the database to be useable.
Compile a list of five system administration best practices for any two operating systems.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
Map the ERD to create the relational model corresponding to the described application. Basically, list the CREATE TABLE statements with the attribute names, and appropriate data types.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Input names of students from user, terminated by ZZZ, and design the data file GRADES with records of form: student (string), test1 (integer), test2 (integer), test3 (integer).
Write a two-page executive summary for your boss explaining how a relational data solution can be applied to a current business problem or area for improvement. Assume that your boss knows nothing about relational database theory.
Abel Company uses activity-based costing. The company has two products - estimated costs and expected activity
Develop a Context Diagram and a System Level Data Flow Diagram , make sure you properly identify all the components. Develop an ERD as well making sure you properly label the Entity name.
Write an anonymous block that places a substitution variable (&) into a local variable of type varchar2. You will need to convert the types and round them to nearest tens unit
Using an explicit cursor, retrieve each row from the i_car table. Create a local variable that inherits the structure of the i_car table (using %ROWTYPE attribute). Place each row returned into this variable
What problems could be caused by not having appropriate indexes and what problems could be cause by having too many indexes?
Describe the different LOBs that Oracle supports. What are they used for? How can they be stored in the database
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