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OlgaM077 [116]
2 years ago
11

Which of the following is not a valid SQL command? (Points : 2) UPDATE acctmanager SET amedate = SYSDATE WHERE amid = 'J500';

Computers and Technology
1 answer:
Volgvan2 years ago
6 0

Answer:

UPDATE acctmanager WHERE amid = 'J500';

Explanation:

The statement written above is not valid SQL statement because there is no SET after UPDATE. Update is always used with SET.If you are updating something then you need to specify the value with which that value should be replaced.

UPDATE acctmanager SET amname = UPPER(amname);

This statement does not contains WHERE clause but it will run all the values of amname column will get updated in the table acctmanager.

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A hard disk has four surfaces (that's top and bottom of two platters). Each track has 2,048 sectors and there are 131,072 (217)
marysya [2.9K]

Answer:

128 GB

Explanation:

Here, we are interested in calculating the total capacity of the disk.

From the question, we can identify the following;

Number of surfaces = 4

Tracks per surface = 131,072

Number of sectors = 2,048

Each Block size = 512 bytes

Mathematically;

Total data capacity of the disk = no of tracks * no of sectors * block size

= 131,072 * 2048 * 512 bytes

= 2^17 * 2^11 * 2^9 bytes = 2^37 bytes

1 GB = 2^30 bytes

So 2^37 = 2^7 * 2^30

= 128 GB

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3 years ago
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Answer:

OC. It will be a more positive experience if she spends time with her friend in person.

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You should always spend time with people in person rather than online whenever you get the chance.

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1 year ago
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d1i1m1o1n [39]
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We initialize the parameters to all zero values and run the linear perceptron algorithm through these points in a particular ord
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The main aim of running the parameters in the linear perceptron algorithm is to be able to develop a machine learning algorithm for binary classification tasks.

<h3>What is a linear perceptron algorithm?</h3>

This refers to the linear classification algorithm that is used in machine learning.

This is done in order to learn a decision boundary that divides different classes using a hyperplane.

Hence, we can see that your question is incomplete because the parameters are not included, hence a general overview was given to give you a better understanding of the concept.

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Answer:

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Explanation:

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