The answer is Count. Count is an aggregate method in SQL that returns the number of rows for a specified column that have non-null values.
<h3>What is the Meaning of Null?</h3>
When a field in a database has no values at all, this is known as null and indicates that the field’s value is unknown.
A null value for a number field, text field, or space value is different from a zero value. Null indicates that no value has been recorded in a database field.
A value and a null cannot be compared. The Structured Query Language query cannot be written as SELECT * FROM Customer where email Address=null, for instance, if it is intended to obtain all customers without email addresses from a Customer Addresses table.
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Answer:
a. provides emotional reactions to odors.
Explanation:
The medial olfactory area is responsible for visceral and emotional reactions to odors, ie, primitive reactions such as licking the lips, smelling, salivating, among others. So the correct answer is the letter A.
I believe it should, its more a matter of personal opinion though
Native Americans lived here way before anyone else