w3resource

PostgreSQL Alter Table: Alter a table to change its name


1. Write a SQL statement to rename the table countries to country_new.

Here is the list of tables.

   tablename   | tableowner
---------------+------------
 orders        | postgres
 employees     | postgres
 job_history   | postgres
 jobs          | postgres
 locations     | postgres
 regions       | postgres
 countries     | postgres
(7 rows)

Sample Solution:

Code:

ALTER TABLE countries RENAME TO country_new;

Output:

Now, after execute the command see the list of tables.

   tablename   | tableowner
---------------+------------
 orders        | postgres
 employees     | postgres
 job_history   | postgres
 jobs          | postgres
 locations     | postgres
 regions       | postgres
 country_new   | postgres
(7 rows)

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: PostgreSQL Alter Table - Exercises, Practice, Solution
Next: Write a SQL statement to add a column region_id to the table locations.

What is the difficulty level of this exercise?



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://w3resource.com/postgresql-exercises/alter-table/alter-table-exercise-1.php