I am trying to practice for sql using pgadmin with northwind database please check images for what i am trying to do

Question

[enter image enter image description heredescription here](https://i.stack.imgur.com/g62jB.png)

please help me out

i tried to restart the pgadmin also tried other column from same table nothing worked

Answer 1

Surely you have used upper and lower case in the definition of the field name:

SELECT "LastName" FROM employees;

Try to make clear questions and put the sentences in the message body. Isn't a good practice put a printscreen.

Greetings, Alejandro