OrientDB – Sequences 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 are mostly used when you need a number that always increments. It supports two types− ORDERED − Each time the pointer […]
Category Archives: orientdb
OrientDB – Create Edge 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 Edges. The base class for an Edge is E. While implementing edges, if source or destination vertices are missing […]
OrientDB – Delete Edge 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 the edge from both ‘in’ and ‘out’ vertex properties. The following statement is the basic syntax of Delete Edge command. […]