I, as a speaker of language, which has several non-common characters like ÕÜÖÄ, think that if i create an app, which allows user to save content in estonian to database, the
You can check installed locale using:
locale -a
If et_EE is not listed run this commands:
sudo locale-gen et_EE sudo locale-gen et_EE.UTF-8 sudo update-locale
and try your query again.