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Discussed and implemented the MVC design pattern for Web based database interfaces. However, there are other design patterns that may be directly applicable to PHP programming, or web programming in general. Find another design pattern which could be used for web based development and write a synopsis on it, pointing out whether it would be applicable for use within your project or not. Comment as applicable on design patterns that other class members provide.
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate.
Create a database containing student info (name, age, ect.).Find a way to allow the user to search the database using a students name and allowing them to delete that students information.Use binary input/output to take the input from the user for th..
How and why did database management systems become the organizational data management standard? Describe some advantages of database approach over file-system approach.
Explain how you could delete the IT department without deleting all the employees who work for that department.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Modify the No Interest Credit Company application so it executes continuously for any number of customers until a sentinel value is supplied for the account number.
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
Which of the following subnet masks would offer 30 usable subnets with a minimum of 2040 usable hosts per subnet? We have been assigned the IP address in the exhibit. Choose the best answer.
Create a database.
How big is a single interval in volts. Receivers have no choice but to decode the the binary sample value at the center of the interval. So, what would the received voltage of the sample be
A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management..
Advice given to managersThe storage system that best fits the needs of the companyReasons why this is the best storage system.
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