Which Of The Following Are The Five Built-In Functions Provided By SQL

A. COUNT, SUM, AVG, MAX, MIN

B. SUM, AVG, MIN, MAX, MULT

C. SUM, AVG, MULT, DIV, MIN

D. SUM, AVG, MIN, MAX, NAME

Which Of The Following Are The Five Built-In Functions Provided By Sql

Ans. Option A is the Correct Answer

Among the options you’ve provided, the correct answer for the five built-in SQL functions is:

A. COUNT, SUM, AVG, MAX, MIN

These are the most commonly used aggregate functions in SQL:

• COUNT(): Counts the number of rows.
• SUM(): Calculates the sum of values.
• AVG(): Computes the average of values.
• MAX(): Returns the maximum value.
• MIN(): Returns the minimum value.

1. COUNT(): This function counts the number of rows in a result set or the number of non-null values in a specified column. It’s often used to determine the size of a dataset or to count occurrences that meet specific conditions.
2. SUM(): The SUM() function calculates the sum of all values in a specified numeric column. It’s used to find the total of a set of numeric values, such as sales totals or quantities.
3. AVG(): AVG() calculates the average (mean) value of a specified numeric column. It’s used to find the average of a set of numeric values, such as average test scores or average prices.
4. MAX(): This function returns the maximum (largest) value in a specified column. It’s used to find the highest value within a dataset, like finding the highest temperature recorded.
5. MIN(): MIN() returns the minimum (smallest) value in a specified column. It’s used to find the lowest value within a dataset, such as the lowest stock price.

These five functions are fundamental to SQL and are widely supported across various relational database management systems (RDBMS), including MySQL, PostgreSQL, SQL Server, Oracle, and others. They are essential for data analysis and reporting in SQL queries. Other functions like “MULT” (multiplication) and “DIV” (division) are not standard SQL aggregate functions, although some database systems may support them as extensions or custom functions. “NAME” is not a recognized SQL function at all.