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What does Lazy replication and lazy loading means ?

raminaa niilian
Ranch Hand

Joined: Jul 14, 2005
Posts: 551
Hi
Thank you for reading my post.
What does lazy loading in master details relation means ?
what lazy replication in databases means ?
I see this lazy loading in EJB documents too.
can some one explain please ?

Thanks
stu derby
Ranch Hand

Joined: Dec 15, 2005
Posts: 333
Originally posted by raminaa niilian:
Hi
Thank you for reading my post.
What does lazy loading in master details relation means ?
what lazy replication in databases means ?
I see this lazy loading in EJB documents too.
can some one explain please ?

Thanks


"Lazy" usually means that the work is done just when needed, not in advance.

For example, in a lazy loaded cache, on start-up the cache is empty. When a request is made for a particular keyed object from the cache, if it's not in the cache yet, it's retrieved at that time from some slower source, such as a disk or a database. The same idea extends to EJBs and DB replication. I don't know what it means in master/detail relation, probably something similar.
 
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