Question: Design the schema for a database table that records the times of activations of a motion sensor.

Design the schema for a database table that records the times of activations of a motion sensor.

Step by Step Solution

★★★★★

3.38 Rating (148 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Table Name MotionSensorActivations Columns 1 activationid Primary Key unique identifier ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Systems Analysis Design Questions!

Q:

Portray in words what transforms you would have to make to your execution to some degree (a) to accomplish this and remark on the benefits and detriments of this thought.You are approached to compose...

Q:

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

Q:

Prolog You are approached to compose a Prolog program to work with twofold trees. Your code shouldn't depend on any library predicates and you ought to expect that the mediator is running without...

Q:

a ) Design the schema for a database table that records the times of activations of a motion sensor b ) Design the schema for a single database table that records the activation times for several...

Q:

Design the schema for a single database table that records the activation times for several different motion sensors.

Q:

Create the database schema called music_albums which allows users to find all the music `albums on a set of user preferences. These user preferences include the album name, artist name, main track...

Q:

Create the database schema called music _ albums which allows users to find all the music `albums on a set of user preferences. These user preferences include the album name, artist name, main track...

Q:

Suppose that R(A, B, C) is a relational schema with functional dependencies F = {A, B C, C B}. (i) Is this schema in 3NF? Explain. [2 marks] (ii) Is this schema in BCNF? Explain. [2 marks] (b)...

Q:

State what is meant by a directed graph and a strongly connected component. Illustrate your description by giving an example of such a graph with 8 vertices and 12 edges that has three strongly...

Q:

Consider the Markov Chain, Xn, on the states i = 0, 1, 2, . . . with transition matrix given by pi,i1 = p i = 1, 2, . . . pi,i+1 = 1 p i = 0, 1, . . . p0,0 = p where 0

Q:

You are a summer intern at a boutique asset management company. You are working in managed account department. Your supervisor has assigned you to write a report for a potential client that is...

Q:

Consider a hypothetical economy consisting of you and Bill Gates (the CEO of Microsoft, a billionaire). Draw the Lorenz curve. What is the approximate value of the Gini coefficient?

Q:

At this level of production, the firm's profit is . ( Note: If the firm suffers a loss, enter a negative number in this cell. ) . True or False: This is the best decision the firm can make.

Q:

17.5. BCD Manufacturing is considering repurchasing 40 percent of its common stock. Management estimates the tax savings from such a move to be $48 million, based on the addition of $1 billion of...

Q:

There are at least two approaches to the SDLC, two approaches to software construction and modeling, and a long list of techniques and models. Discuss the following reasons for this diversity of...

Q:

How do you identify the data fields of a system interface by using UML and the object-oriented approach?

Q:

What popular analogy is used for direct customer access with a Web site when customers shop online?

Q:

for private companies assets accounts on the balance sheet are listed in the order of

Q:

Assume that 90-day investments in Britain have a 6.0% annualized return and a 1.5% quarterly (90-day) return. In the U.S., 90-day investments of similar risk have a 4.0% annualized return and a 1.0%...

Q:

Sonia found a car dealership that does not require a down payment. She decided that she can pay $490.00 per month for 4 years. She will not accept a rate higher than 2%. a. What is the maximum price...