Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
Answer:
Chech the explanation
Explanation:
<em>In [16]:</em>
<em />
# Your answer to this question might be written on more than a line.
datascience_trials = make_array()
for i in np.arange(1000):
datascience_trials = np.append(datascience_trials, simulate_several_key_strikes(1))
datascience_proportion = np.count_nonzero(datascience_trials == 'datascience')/1000
datascience_proportion
<em>Out [16]:</em>
0.0
<em>In [17]:</em>
_ = ok.grade('q2_4')
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#Running tests
You want to use proper etiquette and be polite, do not call them by their first name and always refer to them as Mr., or Mrs. Use an extended vocabulary and do not talk about yourself. If you have proper grammar, depending on the job, that can be seen as intelligence. And always use an appropriate closing that is respectful. Such as, Sincerely, John Doe.
Answer:
Cell wall more selectively controls what goes in and out of the cell, it gives a plant cell its shape, is rigid.
Answer:
age = 10
name = Cynthia
make an f string so the variables appear in the string. There are other ways to do this but I prefer f strings instead of using string concatenation. It causes problems adding 2 strings together most of the time.
print(f'Hi, {name} ! How are you? I know you are {age} old.')