Question at position 3 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average price of all productsThe mode of all pricesThe average of all products in Product_VThe average Standard_Price of all products in Product_V

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Question at position 3 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average price of all productsThe mode of all pricesThe average of all products in Product_VThe average Standard_Price of all products in Product_V

BlackTom AI · Accepted Answer

The task presents a SQL question and a set of four answer options. I will evaluate each option in turn to determine which best matches the given query.
Option 1: 'The average price of all products' This phrasing suggests the column being averaged is named Price, and it may imply a different column than the one in the query. Since the query uses Avg(Standard_Price), this option is inaccurate because it does not specify the exact column name used in the calculation (Standard_Price) and could mislead regarding which field is averaged.
Option 2: 'The mode of all prices' The SQL aggregate function Avg(...) computes an average, not the mode. Therefore describing the result as the mode is conceptually wrong, making this option incorrect.
Option 3: 'The average of all products in Product_V' This wording hints at an average across rows but omits specifying the exact column (Standard_Price) being averaged. While it captures the idea of an average over the table Product_V, it does not precisely reflect that the average is of the Standard_Price column. This makes the option technically imprecise.
Option 4: 'The average Standard_Price of all products in Product_V' This option precisely aligns with the SQL statement: Avg(Standard_Price) computes the average of the Standard_Price column for all rows in the table Product_V, and the alias average is assigned to that result. It accurately describes the operation and the resulting value.
In summary, options 1 and 3 lack the exact column specification or precise phrasing, option 2 describes an entirely different statistical measure, and option 4 accurately matches the operation and the restatement of the result of the query.

Question at position 3 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average price of all productsThe mode of all pricesThe average of all products in Product_VThe average Standard_Price of all products in Product_V单项选择题

类似问题

What results will be produced by the following SQL query? SELECT SUM(Standard_Price) as Total_Price from Product_V where Product_Type = 'WOOD';

What results will be produced by the following SQL query? SELECT SUM(Standard_Price) as Total_Price from Product_V where Product_Type = 'WOOD';

Q 7: Complete the query to count how many courses each student is enrolled in: SELECT s.name, [Fill in the blank] (e.course_id)FROM Students s[Fill in the blank] _ Enrollments eON s.student_id = e.student_id[Fill in the blank] _ s.name;

Question at position 16 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average Standard_Price of all products in Product_VThe average price of all productsThe mode of all pricesThe average of all products in Product_V

Question at position 12 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average of all products in Product_VThe average price of all productsThe mode of all pricesThe average Standard_Price of all products in Product_V

Question at position 44 A single value returned from an SQL query that includes an aggregate function is called a vector aggregate.TrueFalse

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Question at position 3 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average price of all productsThe mode of all pricesThe average of all products in Product_VThe average Standard_Price of all products in Product_V单项选择题

类似问题

What results will be produced by the following SQL query? SELECT SUM(Standard_Price) as Total_Price from Product_V where Product_Type = 'WOOD';

What results will be produced by the following SQL query? SELECT SUM(Standard_Price) as Total_Price from Product_V where Product_Type = 'WOOD';

Q 7: Complete the query to count how many courses each student is enrolled in: SELECT s.name, __[Fill in the blank] __(e.course_id)FROM Students s__[Fill in the blank] ___ Enrollments eON s.student_id = e.student_id__[Fill in the blank] ___ s.name;

Question at position 16 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average Standard_Price of all products in Product_VThe average price of all productsThe mode of all pricesThe average of all products in Product_V

Question at position 12 What result will the following SQL statement produce? SELECT Avg(Standard_Price) as average from Product_V;The average of all products in Product_VThe average price of all productsThe mode of all pricesThe average Standard_Price of all products in Product_V

Question at position 44 A single value returned from an SQL query that includes an aggregate function is called a vector aggregate.TrueFalse

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希望你的学习变得更简单

Q 7: Complete the query to count how many courses each student is enrolled in: SELECT s.name, [Fill in the blank] (e.course_id)FROM Students s[Fill in the blank] _ Enrollments eON s.student_id = e.student_id[Fill in the blank] _ s.name;