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

BlackTom AI · Accepted Answer

We start by identifying the core operation in the query: SELECT Avg(Standard_Price) as average from Product_V.

Option 1: The average Standard_Price of all products in Product_V. This option directly matches the expression Avg(Standard_Price) applied to the Standard_Price column from the Product_V table, returning the mean value of that column across all rows. The alias average simply names the resulting column, but the fundamental result is the average of Standard_Price for all products in Product_V, so this description is precise and exact.

Option 2: The average price of all products. While this is semantically similar, it is slightly less precise because it does not specify that the averaging is done on the Standard_Price column and the source table Product_V. If there were multiple price-like columns, this wording could be interpreted ambiguously as to which column or which table is used. In strict interpretation of the statement given, we tie the average to Standard_Price explicitly, so this option is a looser description.

Option 3: The mode of all prices. The mode is the value that appears most frequently in a data set. The AVG function computes the arithmetic mean, not the mode, so this option describes a different statistical measure and is incorrect with respect to the given query.

Option 4: The average of all products in Product_V. This phrasing is close to Option 1 and also conveys an average over the table Product_V. However, the emphasis is on averaging “the products” rather than the specific column Standard_Price. While conceptually similar, it is slightly less precise than stating the exact column being averaged (Standard_Price). The intended interpretation of AVG(Standard_Price) is the mean of the Standard_Price values, so this option is not as exact in describing the operation as Option 1.

In summary, the statement AVG(Standard_Price) from Product_V computes the mean value of the Standard_Price column across all rows in Product_V, which aligns most tightly with Option 1 and is more precise than the other options.

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 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

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 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 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

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;