Question

If column "Fees" contains the data set $(5000,8000,7500$, 5000,8000 ), what will be the output after the execution of the given query? [CUET 2023] SELECT SUM (DISTINCT Fees) FROM student; (A) 20500 (B) 10000 (C) 20000 (D) 33500

Name: Problem 19, Chapter 1: CUET (UG) Question Bank Chapter-wise and Topic-wise General Test | For 2024 Exam
Uploaded: 2023-03-14T18:46:03-08:00
Duration: 1 min 50 s
Channel: Vysakh M
Description: If column "Fees" contains the data set (5000,8000,7500, 5000,8000 ), what will be the output after the execution of the given query? [CUET 2023] SELECT SUM (DISTINCT Fees) FROM student; (A) 20500 (B) 10000 (C) 20000 (D) 33500

   If column "Fees" contains the data set $(5000,8000,7500$, 5000,8000 ), what will be the output after the execution of the given query?
[CUET 2023]
SELECT SUM (DISTINCT Fees) FROM student;
(A) 20500
(B) 10000
(C) 20000
(D) 33500

CUET (UG) Question Bank Chapter-wise and Topic-wise General Test | For 2024 Exam

Oswaal Editorial… 1st Edition

Chapter 1, Problem 19

Instant Answer

Solved by Expert Vysakh M

03/14/2023

Step 1

The given data set is $(5000, 8000, 7500, 5000, 8000)$. The unique values are $5000$, $8000$, and $7500$. Show more…

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If column "Fees" contains the data set $(5000,8000,7500$, 5000,8000 ), what will be the output after the execution of the given query? [CUET 2023] SELECT SUM (DISTINCT Fees) FROM student; (A) 20500 (B) 10000 (C) 20000 (D) 33500

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Key Concepts

SQL Aggregation Functions

Aggregation functions in SQL, such as SUM, are used to perform a calculation on a set of values and return a single scalar value. These functions are essential for summarizing or consolidating data across rows in a database table, such as calculating totals, averages, counts, or other summary statistics.

DISTINCT Keyword

The DISTINCT keyword in SQL is used to remove duplicate rows from the result set of a query. When applied within an aggregation function like SUM, it ensures that each unique value is considered only once, preventing duplicates from being included in the calculation.

SQL SELECT Statement

The SQL SELECT statement is the primary command used to retrieve data from a database table. It is versatile and can include various clauses and functions, such as aggregation functions and DISTINCT, to filter, manipulate, and summarize the data that is returned.

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