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save single sql query result boolean spring boot Code Example
save single sql query result boolean spring boot
@Repository
public interface CompanyRepository extends JpaRepository<Company, Integer> {
    @Query("SELECT CASE WHEN COUNT(c) > 0 THEN true ELSE false END FROM Company c WHERE c.name = :companyName")
    boolean existsByName(@Param("companyName") String companyName);
}




Sql

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