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OrientDB is a NoSQL DBMS which can store 150,000 documents per second on common hardware. Even with a document-based database, the relationships are managed as in graph databases, with direct connections among records. You can traverse entire or parts of trees and graphs of records in a few milliseconds. It supports schema-less, schema-full, and schema-mixed modes, has a strong security profiling system based on users and roles, and supports SQL between the query languages. Thanks to the SQL layer, it's straightforward to use for people skilled in the relational world.

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2011-06-20 22:31 Back to release list
1.0rc2

Multihilo problemas fueron corregidos. Índice de búsqueda rápida estaba loco. El SQL ENTRE operador se añadió. La Clase SQL ALTER ALTER y comandos PROPIEDAD se han añadido a refactorizar el esquema de db. BASE DE DATOS de la consola y los comandos GOTA índices fueron añadidos. El tipo DATE se añadió a manejar fechas sólo con DD / MM / SS. Los distintos SQL (), la unión (), se cruzan (), y las funciones de diferencia () se han añadido. MVCC (Multi-Control de concurrencia versión) del sistema está activado también fuera de las transacciones por defecto, pero puede ser desactivado. El +, -, *, /, y las operaciones matemáticas son compatibles% en una consulta SQL. Los controles de seguridad se cumplan. El núcleo es compatible con Java5, mientras que el servidor necesita java6.
Multi-thread problems were fixed. Index searching was mad faster. The SQL BETWEEN operator was added. The SQL ALTER CLASS and ALTER PROPERTY commands were added to refactor the db schema. Console DROP DATABASE and INDEXES commands were added. The DATE type was added to handle dates only with YYYY/MM/SS. The SQL distinct(), union(), intersect(), and difference() functions were added. MVCC (Multi-version Concurrency Control) system is enabled also outside transactions by default, but can be turned off. The +, -, *, /, and % math operations are supported in an SQL query. Security checks are enforced. The core is compatible with Java5, while the server needs Java6.

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