null列调用select查询时,我们可以期望null (int)值,代码: int num = 0; num = jdbcTemplate.queryForObjectEmptyResultDataAccessException ignored) { }}Unboxing of 'jdbcTemplate.queryForO
我尝试使用jdbcTemplate.batchUpdate将多个数据添加到关系表中这是我的代码:String sql3="Select Id,Name from Student where Id=(select Max(Id) from student)";
final Student student1= (Student) jdbcTemplate.query(sql3, new UserMappe