En nhibernate, por defecto tiene concurrencia optimista. Download the installer certified by enterprisedb for all supported postgresql versions. Muchas organizaciones, agencias gubernamentales y empresas utilizan postgresql. Exclusivo exclusive x le permite a una transaccion actualizar o eliminar una fila. But internally, there are only two distinct isolation levels, which correspond to the levels read committed and serializable. Our canary builds are designed for early adopters and may sometimes break.
Postgresqles actualizar fila y controlar concurrencia. Download our latest canary builds available for osx x64 windows x86 or x64 linux x86 or x64. Download 2uda for windows, macos, and linux certified by 2ndquadrant for all supported versions of postgresql. Control mvcc zur effizienten ausfuhrung gleichzeitiger datenbankzugriffe. Concurrency control refers to the various techniques that are used to preserve the integrity of the database when multiple users are updating rows at the same time. Sin embargo, postgresql solo soporta read commited y serializable in postgresql, you can request any of the four standard transaction isolation levels. Compartido shared s le permite a una transaccion leer una fila. Instalar y administrar postgresql en microsoft windows 7.
483 1478 257 1455 1130 1131 302 1524 1172 468 778 854 187 906 1326 717 1114 1336 715 495 1367 1140 1437 519 1002 773 757 698 1192