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V125BC [204]
2 years ago
15

Which describes a query? A query organizes, summarizes, and presents data in an easy-to-view format. A query allows for retrieva

l of information from multiple tables. A query is a way to modify data in tables. A query is a sorted report.
Computers and Technology
1 answer:
notka56 [123]2 years ago
0 0
There can be multiple definitions of Query in a database, however, If we go as per the definitions given above, i think most suited description is that the Query allows retrieval of information from multiple tables based on the criteria specified by the user.
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Nicole wants to create a database to collect information about videos in her video rental store. She would like to use the datab
Verizon [17]

Answer:

All the field which she has mention has to created by Nichole in her database.

Explanation:

The following fields have to be created in the database

title, rating, actor, and producer rating, director, and actor title, rating, actor 1, actor 2, actor 2, actor 4, producer, and in the stock product number, price, and rating

 

And additional field also has to create movie-length also as integer field which should carry the length of the movie  

Date of release and movie certificate also can be captured so the search engine will be very useful

3 0
2 years ago
Consider the eight bit signed binary number 1110 0101. Convert it to signed decimal from assuming the signed binary number is re
lapo4ka [179]

Answer:

-26

Explanation:

The given binary number is 1110 0101. Also given that the signed binary number is represented using one's compliment.

We begin by computing the 1s complement representation of 1110 0101 by inverting the bits: 00011010

Converting 00011010 to decimal, it corresponds to 26.

So the 1s complement of the original number is 26. This means that the original number was -26.

7 0
2 years ago
Find and record a set of instructions containing a repetition clause (e.g., instructions on a shampoo bottle, a recipe, etc.). H
Leto [7]

This question belongs to scratch programming. This programming language has various instructions to carry out various tasks. There are different types of repeat statement available. This statement or instruction allows the user / programmer to repeat certain line of statements to a number of times. Here, according to the question, we need to use “Repeat after me”

If you take a music note, the tempo, timing and pitch needs to be mentioned clearly and “:” represents that a particular note to be repeated only once.

3 0
2 years ago
Using Amdahl’s Law, calculate the speedup gain of an application that has a 60 percent parallel component for (a) two processing
Nina [5.8K]

Answer:

a) Speedup gain is 1.428 times.

b) Speedup gain is 1.81 times.

Explanation:

in order to calculate the speedup again of an application that has a 60 percent parallel component using Anklahls Law is speedup which state that:

t=\frac{1 }{(S + (1- S)/N) }

Where S is the portion of the application that must be performed serially, and N is the number of processing cores.

(a) For N = 2 processing cores, and a 60%, then S = 40% or 0.4

Thus, the speedup is:

t = \frac{1}{(0.4 + (1-0.4)/2)} =1428671

Speedup gain is 1.428 times.

(b) For N = 4 processing cores and a 60%, then S = 40% or 0.4

Thus, the speedup is:

t=\frac{1}{(0.4 + (1-0.4)/4)} = 1.8181

Speedup gain is 1.81 times.

8 0
2 years ago
Which of the following is a true statement about cloud computing?
Veseljchak [2.6K]

Answer:

There are additional security risks associated with using cloud computing over local data storage.                    

Explanation:

Cloud computing: The term "cloud computing" is described as a process through which an individual tends to access and store various programs and data over the internet rather than his or her computers' "hard drive". However, the term "cloud" here refers to a specific metaphor associated with the internet.

Types:

1. Software-as-a-service or SaaS.

2. Platform-as-a-service or PaaS.

3. Infrastructure-as-a-service or IaaS.

In the question above, the very first option is correct as all other options mentioned over here are incorrect because they aren't related to cloud computing.

3 0
2 years ago
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