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SQL Exercises: Arrange the orders according to the order date

SQL Formatting Output: Exercise-4 with Solution

From the following table, write a SQL query to find all the orders. Sort the result-set in descending order by ord_date. Return all fields.

Sample table: orders


Sample Solution:

SELECT * 
FROM orders 
ORDER BY ord_date DESC;

Output of the Query:

ord_no	purch_amt	ord_date	customer_id	salesman_id
70010	1983.43		2012-10-10	3004		5006
70003	2480.40		2012-10-10	3009		5003
70002	65.26		2012-10-05	3002		5001
70001	150.50		2012-10-05	3005		5002
70009	270.65		2012-09-10	3001		5005
70008	5760.00		2012-09-10	3002		5001
70007	948.50		2012-09-10	3005		5002
70011	75.29		2012-08-17	3003		5007
70004	110.50		2012-08-17	3009		5003
70005	2400.60		2012-07-27	3007		5001
70012	250.45		2012-06-27	3008		5002
70013	3045.60		2012-04-25	3002		5001

Relational Algebra Expression:

Relational Algebra Expression: Arrange the orders according to the order date (latest  will come first then previous).

Relational Algebra Tree:

Relational Algebra Tree: Arrange the orders according to the order date (latest  will come first then previous).

Explanation :

Syntax of arrange the orders according to the order_date in such a manner that the latest date will come first then previous dates

Pictorial presentation :

Result of arrange the orders according to the order_date in such a manner that the latest date will come first then previous dates

Practice Online


Query Visualization:

Duration:

Query visualization of Arrange the orders according to the order date (latest will come first then previous) - Duration

Rows:

Query visualization of Arrange the orders according to the order date (latest will come first then previous) - Rows

Cost:

Query visualization of Arrange the orders according to the order date (latest will come first then previous) - Cost

 

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Previous: From the following table, write a SQL query to find all the orders. Sort the result-set in ascending order by ord_no. Return all fields.
Next: From the following table, write a SQL query to find all the orders. Sort the result-set in descending order by ord_date and purch_amt. Return all fields.

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SQL: Tips of the Day

How to restore a dump file from mysqldump?

It should be as simple as running this:

mysql -u <user> -p < db_backup.dump

If the dump is of a single database you may have to add a line at the top of the file:

USE <database-name-here>;

Ref: https://bit.ly/3xKmyw2