olemus
ISO/IEC 2382:
aadressiahel, mis viib soovitud andmeteni; ühe andmeelemendi juurde võib viia mitu pöördusteed
= chain of addresses that leads to the desired data
Note. There may simultaneously exist more than one access path for one data item.

näiteid
http://www.learn.geekinterview.com/data-warehouse/dw-basics/what-is-access-path.html
https://community.idera.com/database-tools/blog/b/community_blog/posts/sql-performance-part-2-query-analysis-and-access-path-formulation
https://blog.acolyer.org/2016/01/04/access-path-selection/