Answer: Industrial Revolution
Explanation:
In the 1800's, Industrial Revolution became the transition to a new manufacturing process. This occurred between 1760 and 1840. Previously, activities were done majorly by hand production until this revolution came. It changed the industry and made it easier to carry out production.
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:
Andrew Jackson allowed John Quincy Adams to be the next president in exchange for being named secretary of state.
Answer:
Maslow: five-level need hierarchy
Explanation:
Content theory is a term that describes the theory of job satisfaction specifically on the needs and values of an individual, that is set out to be achieved through the job, such that an individual can get a positive job satisfaction.
On the other hand, Maslow's need-hierarchy theory suggest that to have or achieve job satisfaction an individual's must have or achieve a five-level model, of human needs, basically in ascending order of importance. These needs covers physiological, safety, belonging, esteem, and self-actualization.
Other content theories include:
Alderfer theory of needs, the Mumford theory of needs, and Herzberg's motivation-hygiene theory.
Hence, the right answer is Maslow: five-level need hierarchy
Answer:
B
Explanation:
Canada's imports become more expensive
