A
1.In explorer/open sql file with HSQL
2. It says it is big / want to open directy / no loading into editor
3. Problem: The encoding of file did not get recognized, hence strange characters are getting into db, duplicate key violation, etc. Although sql file is perfectly OK.
B
1.Inside HSQL:
Import/load sql file ---> window with dropdown pops up, with manual encoding settings.
The same thing should be under A somewhere.