I have a table in Postgresql:
CREATE TABLE "UTILISATEUR"(
"IdUtilisateur" serial NOT NULL,
"Nom" character varying(50),
&qu
maybe because you are using MYSQL5DIALECT there's a Postgres Dialect just used post it like this and for the improved naming strategy use EJB3 like Spring boot JPA insert in TABLE with uppercase name with Hibernate
spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
hope it works for you