Executing a query --- Hibernate + Spring

I am using spring and hibernate together.

Can any body suggest me how can i execute a simple query?

For example, I want to execute "select count(*) from USER_DETA开发者_如何学CILS";

Thanks,

Narendra

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Hiii... Use criteria and projection together. Projection

Criteria crit = session.createCriteria(USER_DETAILS.class);
ProjectionList projList = Projections.projectionList();
projList.add(Projections.countDistinct("Id"));
crit.setProjection(projList);

crit.list will give you count. This is simple hibernate code you can figure out spring + hibernat with this example.

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Hibernate is a Object-Relational Mapping tool. You first map a User object to USER_DETAILS table and then you write HQL (Hibernate Query Language) against the mapped User object (not USER_DETAILS table). For e.g you can write the query you have posted as below using HQL.

select count(user) from User user;