{"id":18062,"date":"2024-04-15T05:21:24","date_gmt":"2024-04-15T05:21:24","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=18062"},"modified":"2024-04-15T05:21:24","modified_gmt":"2024-04-15T05:21:24","slug":"queries-to-a-database-a-are-written-in-english-b-can-use-aggregate-functions-like-sum-and-count-c-both-a-and-b-d-all-of-the-above-e-none-of-the-above","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/queries-to-a-database-a-are-written-in-english-b-can-use-aggregate-functions-like-sum-and-count-c-both-a-and-b-d-all-of-the-above-e-none-of-the-above\/","title":{"rendered":"Queries to a database A. are written in English B. can use aggregate functions like SUM and COUNT C. both (a) and (b) D. All of the above E. None of the above"},"content":{"rendered":"

[amp_mcq option1=”are written in English” option2=”can use aggregate functions like SUM and COUNT” option3=”both (a) and (b)” option4=”All of the above E. None of the above” correct=”option3″]<\/p>\n

The correct answer is: C. both (a) and (b)<\/strong><\/p>\n

Queries to a database can be written in English, and they can use aggregate functions like SUM and COUNT.<\/p>\n

For example, the following query would return the total number of rows in the customers<\/code> table:<\/p>\n

SELECT COUNT(*) FROM customers;<\/code><\/p>\n

The following query would return the total amount of money spent by customers in the last month:<\/p>\n

SELECT SUM(amount_spent) FROM orders WHERE date_purchased > NOW() - INTERVAL 1 MONTH;<\/code><\/p>\n

Aggregate functions are used to summarize data. They can be used to calculate the total, average, minimum, maximum, and count of values in a table.<\/p>\n

I hope this helps! Let me know if you have any other questions.<\/p>\n","protected":false},"excerpt":{"rendered":"

[amp_mcq option1=”are written in English” option2=”can use aggregate functions like SUM and COUNT” option3=”both (a) and (b)” option4=”All of the above E. None of the above” correct=”option3″]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[677],"tags":[],"class_list":["post-18062","post","type-post","status-publish","format-standard","hentry","category-database-systems","no-featured-image-padding"],"yoast_head":"\nQueries to a database A. are written in English B. can use aggregate functions like SUM and COUNT C. both (a) and (b) D. All of the above E. 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