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Discounted Items

Approach / Explanation

** The SQL interview question, Items on Sale , lacks specificity without further details. It is likely that the interviewer expects the candidate to extract data from a database table regarding items that are currently available at a discounted price. Typically, a "sale" implies that the item's price has been reduced from its usual price for a limited time. The interviewer may be assessing your proficiency in writing SQL queries, particularly your skill in effectively utilizing SQL commands such as select, from, and where in this scenario. To answer this question effectively, you should: Be familiar with the database structure, particularly the table that holds data about items, their prices, and their sale status. Construct SQL queries to determine which items are on sale. Answer Example 1 Assuming there is a table named 'Products' with the columns 'item', 'price', and 'sale_price', to find the items on sale, you would want to identify the rows where the sale_price is lower than the price. An example of how to write this query is shown below: SELECT item, price, sale_price FROM Products WHERE sale_price < price; This query will provide a list of all products that are currently on sale. Answer Example 2 If the 'Products' table includes an 'on_sale' column that indicates whether an item is on sale (with values such as yes or no), you would filter based on that column. Here’s how you could approach it: SELECT item, price FROM Products WHERE on_sale = 'yes'; This query will yield a list of all products for which the 'on_sale' column is marked 'yes.'

Suggested Answer

n** This SQL interview question, titled Items on Sale , lacks specificity without further details. It is likely that the interviewee is expected to extract information from a database table regarding items that are currently discounted. Typically, an item is considered "on sale" when its price has been temporarily reduced from its original value. The interviewer may be assessing your SQL query crafting abilities, particularly your proficiency in using SQL commands such as select, from, and where effectively within this scenario. To adequately address this question, you should: Comprehend the database structure, specifically the table that contains data on items, their prices, and their sale statuses. Construct SQL queries that accurately represent whether an item is on sale. Sample Answer 1 SELECT item, price, sale_price FROM Products WHERE sale_price < price; This query will provide a list of all products that are currently on sale. Sample Answer 2 If the 'Products' table has a column named 'on_sale' that indicates whether an item is on sale (with values 'yes' or 'no'), you would filter based on that column. Here’s how you could write the query: SELECT item, price FROM Products WHERE on_sale = 'yes'; This query will return a list of all products for which the 'on_sale' column has the value 'yes.'

Alternative Answer

n** The SQL interview question titled Items on Sale is somewhat ambiguous without further details. It is likely that the interviewee is required to extract information from a database table regarding items that are currently discounted. Typically, a "sale" refers to a temporary reduction in the item's original price. The interviewer may be assessing your proficiency in writing SQL queries, particularly your ability to effectively utilize commands such as select, from, where, and others within this context. To adequately address this question, you should: Grasp the database structure, particularly the table that holds data about items, their prices, and their sale status. Construct SQL queries that determine whether an item is on sale. Example Answer 1 If there exists a table named 'Products' with columns 'item', 'price', and 'sale_price', to find the items on sale, you would want to identify the rows where the sale_price is lower than the price. An example of how to write this query is as follows: SELECT item, price, sale_price FROM Products WHERE sale_price < price; This query will yield a list of all products currently on sale. Example Answer 2 If the 'Products' table includes a column named 'on_sale' that indicates whether an item is discounted (with values 'yes' or 'no'), you would filter based on that column. Here’s how you could do that: SELECT item, price FROM Products WHERE on_sale = 'yes'; This will provide a list of all products for which the 'on_sale' column indicates 'yes'.

Question Details

Difficulty & Category

Medium
sql

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