Answered step by step
Verified Expert Solution
Question
1 Approved Answer
1. Prepare a conceptual model (ER Diagram) for a system to manage surveillance video in London, England a. Include entity classes Camera, Location, Media, Coverage,
1. Prepare a conceptual model (ER Diagram) for a system to manage surveillance video in London, England
a. Include entity classes Camera, Location, Media, Coverage, Clip, Event
b. Include some attributes for each entity class
E.g. Camera.owner, Location.street, Media.length, Media.startTime
2. Write 3 queries (in English) to extract the information needed to make the statement,
"I ran those checks on Stuart Mayfield's plates and we got this from a surveillance camera by the needle exchange"
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started