Provide at least two concrete examples of when you would want to limit the domain of your web search.
What will be an ideal response?
Many possible answers, including the fact that yoy know where to find the information, or you know that the
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All of the following applications can be used to store data sources EXCEPT ________
A) OneNote B) Outlook C) Word D) Excel
The first screen of the Form Wizard is where you select the layout for your form
Indicate whether the statement is true or false
Formulate the following queries in relational algebra, tuple relational calculus, and domain relational calculus (the answers to these queries in SQL are given in the next section).
The following tables form part of a database held in a Relational Database Management System: Employee (empNo, eName, salary, position) Aircraft (aircraftNo, aName, aModel, flyingRange) Flight (flightNo, from, to, flightDistance, departTime, arriveTime) Certified (empNo, aircraftNo) where Employee contains details of all employees (pilots and non-pilots) and empNo is the key. AirCraft contains details of aircraft and aircraftNo is the key. Flight contains details of the flights and flightNo is the key. and Certified contains details of the staff who are certified to fly an aircraft, and empNo/aircraftNo form the key. (1) List all Boeing aircraft. (2) List all Boeing 737 aircraft. (3) List the employee numbers of pilots certified for Boeing aircraft. (4) List the names of pilots certified for Boeing aircraft. (5) List the aircraft that can fly nonstop from Glasgow to New York (flyingRange > flightDistance). (6) List the employee numbers of employees who have the highest salary. (7) List the employee numbers of employees who have the second highest salary. (8) List the employee numbers of employees who are certified for exactly three aircraft.
________ allows the user to selectively extract data from different viewpoints.
A) An office support system (OSS) B) A transaction-processing system (TPS) C) Online analytical processing (OLAP) D) A decision support system (DSS)