Compute the average number of hours for the courses offered by each college

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A:

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Q: Write the T-SQL scripts for the following tasks:   Write a query to select the employees whose…

A: Please refer to the following step for the complete solution of the problem above.

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Q: Student(StudentID, age) School(SchoolID, city) Write an SQL statement for the following query: For…

A: The above question is solved in step 2:-

Q: Complete the following exercise: Alter your student table adding a new column called enroll_date…

A: Alter your student table adding a new column called enroll_date using the datetime data type.…

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A: The above question is solved in step 2:-

Q: Develop a query to provide details about customer sales at the end of 2014. You want the output to…

A: SELECT Sale.ShipToCity, Customer.LastName, Sale.ShipDateFROM Sale JOIN Customer on  Sale.CustID…

Q: 7) Write a query to display Unique order dates from the shipper named “Speedy Express”.

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Q: Create the following table in your database with the following schema: Table: Products I Column Name…

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Q: Select clause: Display the columns stated in the problem statement  From clause: AUTHOR table…

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Q: Create the following tables in your database with the following schema: Table: Countries | Column…

A: We need to write code of create table and insert table only.

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Q: List the names of all Staff members who hold a faculty position and have a salary of $45,000 or…

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Q: Some rows of the table STUDENT are shown below:   CODE NAME DEPARTMENT GPA YEAR 291 ALEX PSI…

A: To find thе dеpartmеnts with a GPA avеragе in thе yеar 2004 grеatеr than thе global GPA avеragе,…

Payback Period

Payback period analysis is a method used to determine the relative time value of a project. It measures the time that a project will take to return its initial investment. The total time taken by the project to return the initial investment made for the project is called the payback period.