Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer is:
Conner has located a research source that is sponsored by a pharmaceutical company. Based on the sponsorship, Conner must be careful that the information is not <u>Biased.</u>
<u></u>
When you evaluate and use information from multiple sources, you need to evaluate the information that it must be error-free and not biased and it should be accurate information as you needed.
As in this example, Conner needs to research that the information should not be biased because the information or research source is sponsored by a pharmaceutical company and there is chances of biasedness. So, Conner must be careful that information is not biased.
For the view of Exercise 4.18, explain why the database system would not allow a tuple to be inserted into the database through this view.
For reference
For the database of Figure 4.12, write a query to find the ID of each employee with no manager. Note that an employee may simply have no manager listed or may have a null manager. Write your query using an outer join and then write it again using no outer join at all.
OUTER JOIN
select e.ID from employee e left outer join manages m on e.ID = m.ID
where m.manager_id is null;
NO OUTER
select e.ID from employee e where e.ID not in (select m.ID from manages m) or e.ID in (select m.ID from manages m where m.manager_id is null);
Answer:
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Explanation:
Answer:
Image result for Which of the following is a quality of a mixed economy? 1. Businesses have complete control of what they import. 2. Individuals have complete control of what they export. 3.Leaders determine the wages of individuals without any input from businesses. 4. Government encourages free trade of specific products.
'One main characteristic of a mixed economy is the ownership of goods by both private and government/state-owned entities. Monopolies have the potential to occur in this type of economy, but the government closely monitors this. For the economy to be mixed, the government can control some parts but not all.
Explanation:
Answer:
D
Explanation:
Current tables such as the new iPads use solid state drives to store data.
