add a temporary column with a value

Question

I have a select statement like this

select field1, field2  
  from table1

What I want is to have a newfield with only value \"example\".

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Answer 1

You mean staticly define a value, like this:

SELECT field1, 
       field2,
       'example' AS newfield
  FROM TABLE1

This will add a column called "newfield" to the output, and its value will always be "example".