The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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Answer:
Rob never thought to use his rolling pin because of e. functional fixedness.
Explanation:
Functional fixedness is a type of cognitive bias. Functional fixedness means a person is unable to see another use for an object other than its traditional use. This inability prevents a person from finding creative solutions and alternatives when dealing with issues. Rob could very well have used his rolling pin and saved himself some time and money by not leaving home to buy a cooking mallet. However, due to functional fixedness, he could not see another use for the rolling pin besides the one that is traditional.
The correct answer is <span>35 kg/m2. In such cases, surgery is often recommended because the health of the person may be severely endangered. This includes things like the gastric bypass operation where your stomach size gets reduced and you a bunch of other things.</span>
Some goods are needs, and not wants. If the company decided to overprice, then when nobody can afford, everybody suffer. That is why the Office of Price Administration set limits to prices to avoid high prices and inflations.
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The right answer is B. The freedom of the press guaranteed by the first admendment does not extend to school-sponsored student newspapers. Even the earlier case, Tinker vs. Des Moines independent Community School District (1969) set a landmark for the protection of the student´s right to free speech, in Hazelwood vs Kuhlmeier (1988) held that public school curricular student newspapers that have not been established as forums for student expression are not considered exempt for censorship.
