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SQL: Select columns in different order

SQL Basic Select Statement: Exercise-7 with Solution

Write a query to display the columns in a specific order, such as order date, salesman ID, order number, and purchase amount for all orders.

Sample table : orders


Sample Solution :

SELECT ord_date, salesman_id, ord_no, purch_amt
FROM orders;

Output of the Query:

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

Explanation :

Syntax of select columns in different order

Pictorial presentation :

Result of select columns in different order

Practice Online


Query Visualization:

Duration:

Query visualization of Select columns in different order - Duration

Rows:

Query visualization of Select columns in different order - Rows

Cost:

Query visualization of Select columns in different order - Cost

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Previous: Write a SQL statement to display specific columns like name and commission for all the salesmen.
Next: From the following table, write a SQL query to find the unique salespeople ID. Return salesman_id.

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SQL: Tips of the Day

Can a foreign key be NULL and/or duplicate?

First remember a Foreign key simply requires that the value in that field must exist first in a different table (the parent table). That is all an Foreign key is by definition. Null by definition is not a value. Null means that we do not yet know what the value is.

Ref: https://bit.ly/3uVu3OS