How do I remove all spaces from a field in a Postgres database in an update query?

Question

What would be the proper syntax used to run an update query on a table to remove all spaces from the values in a column?

My table is called users and in

Answer 1

If it's a text[] column, you can do something like this:

UPDATE users SET pets = string_to_array(replace(array_to_string(pets, ';'), ' ', ''), ';');

Before: {"Big Dog", "Small Cat"}

After: {"BigDog", "SmallCat"}