hii all,
Please help me solve the ingres algorithm example.
I appologise if i am making a new thread which already exist.
Which is good book to learn concepts of transsaction mgmt and distributed concurrenct ctrl.
I am preparing for my advance database concepts exam from university of pune.

Q.apply ingres to foll query and ilustrarate the successive deachment and substitutions by giving mono relation sub queries generated.

select ename,sal
from emp,asg,proj,pay
where emp.eno=asg.eno
and emp.title=pay.title
and budget > 200000
or dur=24
and asg.pno=proj.pno

This forum is for Postgres, not Ingres

And I don't understand what your question is either.