CODEWITHSUNDEEP
databasenosqlgraph-databases
Temple Wing
Temple Wing

Reputation: 433

graph database: why we need it?

I have read graph database from wikipedia, and still don't understand.

What is "index-free adjacency"?

Can I take it as "instead of store the primary key to the rows of other table, it directly store the physical position of those rows"

Upvotes: 2

Views: 324

Answers (2)

Vladyslav Lubenskyi
Vladyslav Lubenskyi

Reputation: 694

Graph database is usable when your data can be represented as graph (route on the map, some tree, etc). These databases provide you cool functions to work with storage as with graph. I really don't know, why one can use this kind of db for something else.

Upvotes: 1

arutaku
arutaku

Reputation: 6087

In a Graph Data Base you have references to the other "object" or whatever, so you do not need to join tables (that is more expensive in CPU & memory terms).

Upvotes: 0

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