olemus
SQL jm: päringule vastamise protsess, mis lisaks otsitavale olemitüübile väljastab ka sellega seotud olemid
= the process whereby a query for one type of entity also loads related entities as part of the query

ülevaateid
https://techvify-software.com/eager-loading-vs-lazy-loading/

https://www.c-sharpcorner.com/article/eager-loading-lazy-loading-and-explicit-loading-in-entity-framework/

vt ka
- lazy loadingg