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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The correct answer is B., although that hardly ever happens, but when it does, its a big deal and is called ramification. I hope you found this helpful, and, if so, please mark as brainliest. thank you ((:
I believe the answer is: Implementation.
The implementation development under this situation refers to the phase when an individuals start to take the details of the plan.
On the system in our current society, this usually happen after we graduate from university and started to carried out our life plan for our career.<span />
Answer: Mr. Medeiros's approach can best be characterized as: TOKEN ECONOMY.
Explanation: Token economy can be defined as a system of behavior modification based on the principles of positive and negative reinforcement and positive and negative punishment. In this system of behavior modification, participants are rewarded with tokens for engaging in desirable activities. Tokens which are in turn used to purchase special privileges or meaningful objects..
