ArangoDB
In the ArangoDB databases, all documents contain special attributes at the top-level that start with an underscore, known as system attributes.
Tags
Table of Contents
Constants
- _FROM : string = '_from'
- The document identifier of the source vertex stored in the _from attribute.
- _ID : string = '_id'
- The document identifier is stored as a string in the _id attribute.
- _KEY : string = '_key'
- The document key is stored as a string in the _key attribute.
- _REV : string = '_rev'
- Every document in ArangoDB has a revision, stored in the system attribute _rev.
- _TO : string = '_to'
- The document identifier of the target vertex stored in the _to attribute.
Constants
_FROM
The document identifier of the source vertex stored in the _from attribute.
public
string
_FROM
= '_from'
_ID
The document identifier is stored as a string in the _id attribute.
public
string
_ID
= '_id'
_KEY
The document key is stored as a string in the _key attribute.
public
string
_KEY
= '_key'
_REV
Every document in ArangoDB has a revision, stored in the system attribute _rev.
public
string
_REV
= '_rev'
It is fully managed by the server and read-only for the user.
_TO
The document identifier of the target vertex stored in the _to attribute.
public
string
_TO
= '_to'