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Write the command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order. Show columns last_name, hire_date, phone_number, and dept_code in your results. Also, change the name of dept_code column to department_code.
Suppose we are to design a registrar's database to store information about students, courses, the courses students have taken. Convert the E/R diagram into a relational schema.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
What about giving same name to attributes which are in different tables but are not same? For instance, "Description" in both a Course table and a Classroom table.
Mark the following words in the document as index entries: behavior (four instances), favorable (five instances), and impression (eight instances).
Name four attributes that you can use to define a data flow in the bus information system. Name four attributes that you can use to define a data store in the bus information system.
What is the maximum rate at which data can be read from disk, assuming that we can only read data from one surface at a time? What is the average rotational latency?
Input names of students from the user, terminated by ZZZ, and create a data file GRADES with records of the form.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
Implement that entity as a database table with two subtypes, Games and Movie.
Find the entities from the functional requirements. Entities can come from Nouns in the text, they may also come from forms, reports and legacy code.
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
A small business with 100 computer workstations is installing a new local area network. All of the users perform the usual operations of e-mail. State your reasoning. Draw a floor plan for each If possible, show both floor plans on one page.
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