Please note that all relationships with this element, and all its children will be deleted as well.
What does this mean?
Parent, Children and Cascade deletions
"Children" elements are elements that directly depend on another object (the "parent").
They only have sense in a certain context, and if the context to which they belong is removed, to mantain data meaning and integrity the application provides also the removal of them (now become "orphans").
Example
Take the case of a Travel and of the Events occurred during it.
In this example, deleting a Travel will leave all of its Events meaningless since, taken alone, they would have no context in which to place themselves, nor a way to reach them.
Consequently, the removal of a Travel also causes the elimination - cascading - of all Events that occurred in that Trip.
Important
Note that this operation is not limited to one level of relationship, but proceeds with children of deleted children and so on, until the entire database is freed from unnecessary data.
This lets the user remove all data about a Travel by simply deleting that Travel.
Georg Forster describes the meeting between Captain Cook and one of the natives: he carries out a sort of peace ritual that guarantees friendship between them.
Text on source
At last one of them stuck his spear in the ground, and taking a bunch of grass in his hand met the captain, and giving him end of the grass to hold while he kept the other, he pronounced a solemn speech in a loud tone of voice, during a minute or two, in which he made several pauses, perhaps waiting for a reply. As soon as this ceremony was over, they saluted each other, and the New Zeelander took new garment from his own shoulders and presented it to the captain, for which he received a hatchet in return.
English translation
Folios/Pages
p. 169
Date
1773 04 20 circa
Observations on the events description
This type of event can be related to "Men's ritual ceremony at Dusky Bay" (event number 17).
The dots on the map indicate the places where sound and music events were described. They don't represent travel stages.