hibernate - How to recover all data query? -


i need recover data query (null , non-null)

this hql i'm using:

select a.fecaltaejprof fecaltaejprof, a.fecbajaejprof fecbajaejprof, b.idcategoria idcategoria ejerprof a, categoria b a.idcategoria=b.idcategoria;

this returns:

fecaltaprof    fecbajaprof    categoria -----------    -----------    --------- null           26-08-1989     whay 22-08-1898     22-01-1500     null


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