OrientDB

Index is a pointer which points to a location of data in the database. Indexing is a concept used to quickly locate the data without having to search every record in a database.…

Sequences is a concept used in auto increment mechanism and it is introduced in OrientDB v2.2. In database terminology, sequence is a structure that manages the counter field. Simply said sequences…

This chapter explains the complete reference of different types of functions in OrientDB. The following table defines the list of functions, which are categorized by their functionality. Graph Functions The…

Delete edge command is used to remove the database. This is equivalent of the delete command, with the addition of checking and maintaining consistency with vertices by removing all cross-references to…

Update edge command is used to update edge records in the current database. This is equivalent to actual update command in addition to checking and maintaining graph consistency with vertices, in…

In OrientDB, the concept Edge works like a relation between vertices with the help of some properties. Edges and vertices are the main components of a graph database. It applies polymorphism on…

Delete Vertex command is used to remove vertices from the database. While deleting, it checks and maintains the consistency with the edges and removes all cross-references (with the edges) to the…

Move Vertex command in OrientDB is to move one or more vertices from current location to different class or cluster. If you are applying move command on a particular vertex,…

OrientDB database is not only a Document database but also a Graph database. New concepts such as Vertex and Edge are used to store the data in the form of…

The Drop property command removes the property from the schema. It does not remove the property values from the record, it just change the schema. The following statement is the basic syntax…