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2 questions
3
votes
2
answers
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Problem related to optimistic locking performance
I'm designing a system that like the majority of social related application has posts, people can like the posts and comment on them.
And also like the majority of the applications the users can see ...
- 371
6
votes
4
answers
2k
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Performance related doubt in Java with Hibernate
Suppose in some ORM based project (say Hibernate) I am trying to fetch only few columns rather then the whole Object with may be more than 20 attributes. I am writing HQL like "select attr1, attr2 ...
- 174