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Give a good decomposition for R = (A,B,C,D,E ) with the following functional dependencies:
ABC -> D
BCE -> A
D -> B
and justify your design decisions.
Run the lab_03_01.sql script in the attached file to create the SAL_HISTORY table. Display the structure of the SAL_HISTORY table.
Write SQL commands which would implement this profile. Next, write query that would list profile, profile resource name, and limit value for the new profile.
Create a database model and Submit the table creation statements for the Database Model.
Write SQL statement which creates stored procedure with one int input parameter. Stored procedure selects supplierId field and total of all Count field values for each group of supplierId's from Part table.
Explain how you will go about developing this database. Provide at least four queries that answer some of the questions asked by the end users.
Write SQL statement which creates stored procedure with one int input parameter. The stored procedure selects the supplierId field and the total of all Count field values for each group of supplierId's from the Part table.
Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o , The circuit’s quality factor Q , The cut-off frequencies, f 1 & f 2 and the bandwidth BW
Write an SQL statement to produce a single column called ItemLocation that combines the SKU_Description,the phrase "is located in."
Write down SQL needed to create employee table containing the following data: employeeID, text, length of 5, primary key lastName, text, length of 25
Write the following queries in SQL: If an employee works on every project located in Houston, then list the employees social security number and name.
Write a SQL statement to display the First and Last name of students who have the Status greater than 1 and less than 10. Use BETWEEN.
What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?
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