Interview questions-Optimize the methods that hibernate encourages

Source: Internet
Author: User
Which of the following is not encouraged by optimization hibernate?

A: Use unidirectional one-to-many associations and do not use two-way pair

B: No one-to-many substitution

C: Configure the object cache without using the collection cache

D: Inheriting classes using explicit polymorphism


Answer: (A)


A summary of the relevant questions:

Optimize the 7 measures that hibernate encourages:

1. Use Many-to-one as much as possible and avoid using single One-to-many
2. Flexible use of unidirectional one-to-many
3. Do not use one-to-many substitution
4. Configure the object cache without using the collection cache
5. One-to-many use bag multi-pair a set
6. Inheritance use display polymorphic Hql:from object polymorphism= "exlicit" to avoid investigation of all objects
7. Eliminate large tables, use level two cache


Interview questions-Optimize the methods that hibernate encourages

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