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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

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

Pictorial 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: From the following table, write a SQL query to find the maximum purchase amount.
Next: From the following table, write a SQL query to find the highest grade of the customers for each of the city. Return city, maximum grade.

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SQL: Tips of the Day

SQL Server SELECT into existing table. 

INSERT INTO dbo.TABLETWO
SELECT col1, col2
  FROM dbo.TABLEONE
 WHERE col3 LIKE @search_key

This assumes there's only two columns in dbo.TABLETWO - you need to specify the columns otherwise:

INSERT INTO dbo.TABLETWO
  (col1, col2)
SELECT col1, col2
  FROM dbo.TABLEONE
 WHERE col3 LIKE @search_key

Database: SQL Server

Ref: https://bit.ly/3y6tpA3