Answer:
The American civil rights movement started in the mid-1950s. A major catalyst in the push for civil rights was in December 1955, when NAACP activist Rosa Parks refused to give up her seat on a public bus to a white man. Read about Rosa Parks and the mass bus boycott she sparked.
Explanation:
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 authors of your text suggest that openly and rationally discussing something that has made you angry with close friends can lead to. be the <u>power of normative social influence</u>
<h3>What is
authors ?</h3>
A writer or poet who creates or originates a written work, such as a book or play, is referred to as an author. An author is more broadly defined as "the person who originated or gave existence to anything," and the determination of their authorship establishes their legal liability for the work they produced. How does Wikipedia help you find authors?
Thousands of volunteers work together to co-write the pages on Wikipedia. Nearly all articles have several authors. Click on the "history" tab at the top of that page to learn who wrote a certain article. This will make it clear who changed the page.
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