teacher-diary / src / main / java / ru / mcs / diary / teacher / TeacherRepository.java

package ru.mcs.diary.teacher;

import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Repository;

import java.util.Optional;

@Repository
public interface TeacherRepository extends JpaRepository<Teacher, Long> {

    Optional<Teacher> findByEmail(String email);

    boolean existsByEmail(String email);
}