OrientDB – Hooks 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 rules, to enforce security, or to arrange external events like replicating against a relational DBMS. OrientDB supports two kinds of […]
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OrientDB – Transactions 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. To allow concurrent recovery from failures and keep a database consistent even in case of system failures. To provide isolation […]
OrientDB – Indexes 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. OrientDB supports four index algorithms and several types within each. The four types of index are − SB-Tree Index […]