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yKpoI14uk [10]
3 years ago
7

You need to extract data from the system your predecessor created. you discover tables have been created according to the third

normal form. you find the needed data in three different tables. what SQL syntax allows you to garner this data?
a. union
b. join
c. Select
d. Having

Computers and Technology
1 answer:
MissTica3 years ago
4 0

Answer:

b. join

Explanation:

Correct answer:

Join: It allow join(paste) two tables by one or more commun columns

Example in the image attached

Bad answer:

Union: it only allow paste two tables with the same structure

select: it only allow get information from 1 table if not use join

having: it only allow get filtered information with a condition

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Answer:

it a or d

Explanation:

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3 years ago
Selecting the Tiled windows arrangement option places the windows in a(n) _______ pattern on the screen.
Archy [21]

Answer:

Selecting the Tiled windows arrangement option places the windows in a(n) Grid pattern on the screen.

Explanation:

3 0
2 years ago
A compound boolean expression created with the ___ operator is true only if all its connected expressions are true.
kiruha [24]
The answer to this is OR..I think..Hope i helped
4 0
3 years ago
A computer has a pipeline with four stages. each stage takes the same time to do its work, namely, 1 nsec. how many instructions
prisoha [69]

In figuring, a pipeline, otherwise called an information pipeline, is a lot of information preparing components associated in arrangement

Further explanation:

In figuring, a pipeline, otherwise called an information pipeline, is a lot of information preparing components associated in arrangement, where the yield of one component is the contribution of the following one. The components of a pipeline are frequently executed in parallel or in time-cut style.

Instruction travelling:

999,999,997 guidelines for each second. The pipeline has 3 nsec of straightforward figurings, at that point finishes a guidance in each ensuing nsec.  

3nsec (for first guidance to go down the pipeline).10^9 ns every second. 10^9 – 3 = 999999997 directions.

Instruction per second:

MIPS - Million guidelines for each second  

Million guidelines for each second (MIPS) is a more established, outdated proportion of a PC's speed and power, MIPS measures generally the quantity of machine directions that a PC can execute in one second.

Per second:

Million directions for each second (MIPS) is a more established, old proportion of a PC's speed and power, MIPS measures generally the quantity of machine guidelines that a PC can execute in one second. Be that as it may, various directions require pretty much time than others, and there is no standard strategy for estimating MIPS. Moreover, MIPS alludes just to the CPU speed, while genuine applications are commonly constrained by different elements, for example, I/O speed

Answer Details:

Subject: Computer and technology

Level: College.

Key Words:

Further explanation:

Per second:

Instruction per second:

Instruction travelling:

For further Evaluation:

brainly.com/question/6362387

brainly.com/question/12938965

6 0
4 years ago
Read 2 more answers
What does it mean to calculate frequencies within a dataset?
WITCHER [35]

Answer:

to count the number of cases that fall into different subgroups within a dataset.

Explanation:

To calculate the frequency within the dataset means to count the number of times that item or condition on which we are checking the column within the dataset is true or the frequency of the case that is coming into different subgroups.

Hence the answer of this question is third option given in the question.

8 0
3 years ago
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