SQL Exercises: Order which will be delivered by a specified salesman
SQL Basic Select Statement: Exercise-11 with Solution.
From the following table, write a SQL query to find orders that are delivered by a salesperson with ID. 5001. Return ord_no, ord_date, purch_amt.
Sample table: orders
Sample Solution:
SELECT ord_no, ord_date, purch_amt
FROM orders
WHERE salesman_id=5001;
Output of the Query:
ord_no ord_date purch_amt 70002 2012-10-05 65.26 70005 2012-07-27 2400.60 70008 2012-09-10 5760.00 70013 2012-04-25 3045.60
Code Explanation:
The given query in SQL that selects the "ord_no", "ord_date" and "purch_amt" columns from the 'orders' table where the value of "salesman_id" column is 5001. By using the WHERE clause, we filter the rows and only return the rows matching the condition.
Relational Algebra Expression:
Relational Algebra Tree:
Explanation:

Visual presentation :
Practice Online
Query Visualization:
Duration:

Rows:

Cost:

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Previous SQL Exercise: Select all columns that satisfy a specific condition.
Next SQL Exercise: Display the Nobel prizes for 1970.
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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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