Which of the Following Is a Valid SQL Statement?​

question 34

Multiple Choice

Which of the following is a valid SQL statement?​

• A) ​SELECT SUM(quantity*retail)"Total Sales"
• FROM orders JOIN orderitems ON orders.order# = orderitems.order#
• JOIN books ON orderitems ON orderitems.ISBN = books.ISBN
• WHERE orderdate = '02-APR-03';
• B) ​SELECT SUM(quantity*retail)"Total Sales"
• FROM orders JOIN orderitems ON orders.order# = orderitems.order#
• JOIN books ON orderitems ON orderitems.ISBN = books.ISBN
• HAVING orderdate = '02-APR-03';
• C) ​SELECT customer#,SUM(quantity*retail)"Total Sales"
• FROM orders JOIN orderitems ON orders.order# = orderitems.order#
• JOIN books ON orderitems ON orderitems.ISBN = books.ISBN
• HAVING orderdate = '02-APR-03';
• D) SELECT customer#,SUM(quantity*retail)"Total Sales"
• FROM orders JOIN orderitems ON orders.order# = orderitems.order#
• JOIN books ON orderitems ON orderitems.ISBN = books.ISBN
• HAVING orderdate = '02-APR-03'
• GROUP BY customer#;​

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Definitions:

Psychoanalytic

Relates to a theory and therapeutic approach developed by Sigmund Freud that emphasizes unconscious motivations and conflicts as drivers of human behavior.

Psychosexual Stage

A concept in Freudian psychology that describes a series of developmental stages in childhood, each characterized by the erogenous zone that is the source of a child's psychosexual energy.

Latency Stage

A phase in Freudian psychosexual development occurring between the ages of six and puberty, characterized by a decrease in sexual interest and increase in same-sex friendships.

Oral Stage

The first stage in Freud's psychosexual development theory, occurring in the first year of life, where the mouth is the primary source of pleasure and exploration.