https://velog.io/@cminmins/Spring-Mysql-%EC%97%B0%EB%8F%99%ED%95%98%EA%B8%B0
[Spring] Mybatis + Mysql 연동하면서 생긴 문제들
java.sql.SQLSyntaxErrorException: Unknown database 'backend_db;' spring.datasource.url = jdbc:mysql://loc
velog.io
