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

BlackTom AI · Accepted Answer

To determine what the SQL statement returns, we need to map the SELECT clause to the underlying column and the aggregation function used.
Option 1: 'The average of all products in Product_V' — This phrasing is a bit vague; it could be interpreted as the average value across rows, which is conceptually similar to an AVG, but it omits specifying the exact column being averaged. Since the statement uses Avg(Standard_Price), this option is not precisely describing the result.
Option 2: 'The average price of all products' — This answer mentions an average of prices, but the query specifically operates on the Standard_Price column, not a general 'price' column. If the table had a different price column or if 'price' were ambiguous, this would be misleading. The mismatch between 'Standard_Price' and 'price' makes this option incorrect.
Option 3: 'The mode of all prices' — The AVG() function computes the arithmetic mean, not the mode. Therefore this option incorrectly describes the operation being performed.
Option 4: 'The average Standard_Price of all products in Product_V' — This exactly matches the SQL: AVG(Standard_Price) from Product_V with an alias average. It communicates that we are averaging the Standard_Price column for all rows in Product_V, which is the correct interpretation of the query.
Overall, the key ideas are: AVG returns the mean value across the specified column for all rows, and the column in this query is Standard_Price, from the table Product_V. The alias average is just the resulting column name in the output, but the substantive result is the average of Standard_Price across all records.

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_VSingle choice

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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_VSingle choice

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