Author: S K S

OrientDB uses the Java Logging framework bundled with Java Virtual Machine. OrientDB's default log format is managed by OLogFormatter class. The following statement is the basic syntax of logging command. <date> <level>…

Caching is a concept that will create a copy of the database table structure providing a comfortable environment for the user applications. OrientDB has several caching mechanisms at different levels. The…

OrientDB Hooks are nothing but triggers in the database terminology that enable internal events before and after each CRUD operations in the user applications. You can use hooks to write custom validation…

Like RDBMS, OrientDB supports transactions ACID properties. A transaction comprises a unit of work performed within a database management system. There are two main reasons to maintain transactions in a database environment.…

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…