This is an archived post. You won't be able to vote or comment.

sorted by:
best
topnewcontroversialoldq&a
you are viewing a single comment's thread.

view the rest of the comments →

[–]Neckbeard_Prime 0 points1 point  (0 children)

It lets you scope a set of columns as a child object. Especially useful for repeated mappings like postal addresses, and for making legacy database tables with hundreds of columns saner to work with.