DATABASE SYSTEMS
DATABASE SYSTEMS
13th Edition
ISBN: 9780357095607
Author: Coronel
Publisher: CENGAGE L
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Chapter 9, Problem 3P

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Creation of an information system:

  • To create an information system an initial study and following phases are need to be made by the designer because they will create an impact to the design of the database.
  • The information is collected in order to establish details about the entities, relationships among the entities generated.
  • Business rules that are shaped up through relationships, connectivity, and cardinalities are being obtained and collected through designer.
  • When an information system needs to developed, the development approach will differ based on the viewpoint.
  • The designer team will apply the design idea by using a design team.
  • The design team will be grouped as system analysts in order to choose the best design approach for the database that is the team will decide whether the design needs to be in decentralized approach...

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Write .php file that saves car booking and displays feedback.  There are 2 buttons, which are <Book it> <Select a date>. <Select a date> button gets an input from the user, start date and an end date. Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, it books cars for specific dates, with bookings saved. Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. In the booking.json file, if the Car ID and start date and end date matches, it fails Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert).
Write .php file with the html that saves car booking and displays feedback.  Booking should be in the .json file which contains all the bookings, and have the following information: Start Date. End Date. User Email. Car ID. There are 2 buttons, which are <Book it> <Select a date> Book it button can be pressed only if the start date and ending date are chosen by the user. If successful, book cars for specific dates, with bookings saved. If the car is already booked for the selected period, a failure message should be displayed, along with a button to return to the homepage. Use AJAX: Save bookings and display feedback without page refresh, using a custom modal (not alert). And then add an additional feature that only free dates are selectable (e.g., calendar view).
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