Answer:
The answer to the following question is the parent company subsidiary relationship.
Explanation:
This relationship exists when a company controlling another by owning the majority voting of stock.
Generally, a Parent company subsidiary relationship means the relationship which exists when a corporation indirectly or directly owns shares by possessing more than the 50 percent of the voting power of another corporation.
In Parent companies, they can either hands-off or hands-on owners of subsidiaries.
It is virtually same as the holding companies.
Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Answer:
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Explanation:
didn't understand the question
Answer:
2.489 dB
Solution:
As per the question:
Power ratio, 
The Equivalent of this power ratio in decibel or dB is calculated by taking the log of the power ratio as below:
Thus the value of the power ration in decibel comes out to be 2.489 dB
