You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''' WHERE orderId = '') AS Value 위와 같은 오류가 아래의 코드를 했을 때 일어났습니다.FormattableString sql = $"SELECT EXISTS (SELECT 1 FROM {dbTable} WHERE orderId = {productId}) AS Value";int exists = await _dbContext.Database.SqlQuery(sql).SingleAsync(); 이유는 dbTable을 변수로 넣으려고 해서 그..