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SQL Exercises: Find the minimum purchase amount of all the orders

SQL Aggregate Functions: Exercise-7 with Solution

From the following table, write a SQL query to find the minimum purchase amount.

Sample table: orders


Sample Solution:

SELECT MIN(purch_amt) 
FROM orders;

Output of the Query:

min
65.26

Code Explanation:

The said SQL statement is used to retrieve the lowest value in the "purch_amt" column from the 'orders' table. The "MIN" function is used to find the minimum value in the specified column.
The result of the query would be a single value representing the lowest "purch_amt" in the 'orders' table.

Relational Algebra Expression:

Relational Algebra Expression: Find the minimum purchase amount of all the orders.

Relational Algebra Tree:

Relational Algebra Tree: Find the minimum purchase amount of all the orders.

Explanation:

Syntax of find the minimum purchase amount of all the orders

Visual presentation :

Find the minimum purchase amount of all the orders

Practice Online


Query Visualization:

Duration:

Query visualization of Find the minimum purchase amount of all the orders - Duration

Rows:

Query visualization of Find the minimum purchase amount of all the orders - Rows

Cost:

Query visualization of Find the minimum purchase amount of all the orders - Cost

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Previous SQL Exercise: Find the maximum purchase amount of all the orders.
Next SQL Exercise: Highest grade for each of the cities of the customers.

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SQL: Tips of the Day

What is the best way to paginate results in SQL Server?

SELECT  *
FROM    ( SELECT    ROW_NUMBER() OVER ( ORDER BY OrderDate ) AS RowNum, *
          FROM      Orders
          WHERE     OrderDate >= '1980-01-01'
        ) AS RowConstrainedResult
WHERE   RowNum >= 1
    AND RowNum < 20
ORDER BY RowNum

Database: SQL Server

Ref: https://bit.ly/3MGrNlk

 





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