Hibernate Max method: calculate the maximum value of a column
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Java
max(String propertyName)
Example
Criteria criteria = session.createCriteria(ResultForm.class); //获取Criteria对象
criteria.setProjection(Projections.max("achievement")); //获取achievement列的最大值
double max = (Double)criteria.uniqueResult(); //获取查询结果
System.out.println("最高成绩:"+max);
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