Eager and Lazy loading

Question 1

what principle does eager and lazy loading work on

Answer 1

we can have a good idea of what is needed before it is asked for

Question 2

what is eager loading

Answer 2

fetch something when it is asked for

Question 3

what are the benefits/disadvantages of eager loading

Answer 3

single instruction
less time overall

latency of first access is higher

Question 4

what is lazy loading

Answer 4

fetch something (or part of something) when it is needed

Question 5

what are the pros and cons of lazy loading

Answer 5

saves resources

delay every time you need something