发明申请
US20090210428A1 System and method for writing data dependent upon multiple reads in a distributed database database 有权
依赖于分布式数据库数据库中的多次读取来写入数据的系统和方法

System and method for writing data dependent upon multiple reads in a distributed database database
摘要:
An improved system and method for writing data dependent upon multiple reads in a distributed database is provided. A client may read several data records and may then send a request to a database server to perform a transaction to write a data record dependent upon multiple data records read. A database server may receive the request specifying a transaction to write a data record dependent upon multiple data records read and may perform the transaction by latching a master data record to be written and validating the data records the write depends upon. The multiple data records upon which the write depends may be validated by verifying the multiple data records are current versions of the data records stored in the distributed database. Data intensive applications may use this transaction type in large scale distributed database systems to provide stronger consistency without significantly degrading performance and scalability.
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