The <u>type 2</u> slowly changing dimension approach creates a new additional dimension record using a new value for the surrogate key every time a value in a dimension record changes. The correct answer is B.
<h3>Understanding the Slowly Changing Dimension</h3>
SCD, or slowly changing dimension, can be defined as a dimension in a data warehouse that stores and maintains the current data and the historical data over time. A slowly changing dimension in a star schema contains two different attributes values: do not change and change occasionally. Here is the difference:
- Attributes whose values do not change (or change very infrequently), including such store size and client gender.
- Attributes whose values vary intermittently and irregularly throughout time, such as customer zip code and staff salary.
The three most common approaches for coping with slowly changing dimensions are as follows:
Whenever a value in a dimension record changes, type 2 of a slowly changing dimension produces a new extra dimension record with a new value for the surrogate key. This type is also utilized when history needs to be kept, and it may be paired with the usage of timestamps and row indications.
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Answer: Which is the expensive medicine in Nepal
Explanation:
Answer:
Broach the risk of his grandson coming over to visit, and then accidently getting into his bottle of pills and becoming harmed. Play into his emotions
Explanation:
Because the client has been diagnosed with hyperthyroidism. The nurse expects him to exhibit the following clinical manifestations:
- Nervousness
- Increased appetite
<h3>What is associated with hyperthyroidism?</h3>
A hyperthyroidism means the overactivity of the thyroid gland that results in a rapid heartbeat and an increased rate of metabolism.
Generally, a nervousness is associated with hyperthyroidism because of central nervous system irritation. The appetite also increases with hyperthyroidism because of the increase in the metabolic rate.
Therefore, the nurse expects him to exhibit the following clinical manifestations that includes nervousness and Increased appetite.
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Explanation:
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