Introduction to OCC: Part 1 公园野鸭 失业中 38 人赞同了该文章 目录 收起 On Optimistic Methods for Concurrency Control Read/Write 阶段 Validation Phase Transaction Number 一些工程考量 Serial Validation Parallel Validation 概念补充
Security of Data and Transaction Processing brings together in one place important contributions and up-to-date research results in this fast moving area. 搂Security of Data and Transaction Processing serves as an excellent reference, providing insight into some of the most challenging research issues...
The application-transaction monitor interface provides the interface between the application and the transaction processing system. This interface is known as the ATMI interface. It provides function calls to open and close resources, manage transactions, manage typed buffers, and invoke request/response ...
TP Monitor 实现Centralized Coordinator 的其中一种思路就是构建一个独立的组件负责管理事务,叫 Transaction Processing Monitor,即 TP Monitor。 TP Monitor 与其之下运行的单节点 DBMS 无关,DBMS 无需感知 TP Monitor 的存在。 每次应用在发送事务请求时,需要先通过 TP Monitor 确认事务是否可以执行。 举例如下: 假...
Refresh live data from an external data source, such as a database or an Online Analytical Processing (OLAP) cube. Navigate to different worksheets, parts of worksheets, or selected named items in the workbook, such as a chart or an Excel table. ...
This section presents core specifications used to formulate messages in the Web services architecture: XML, SOAP, and WS-Addressing [WS-Addressing]. Web services rely on XML for the basic underlying data model, SOAP for the message processing and data model, and WS-Addressing for addressing servi...
The failed transaction must be resubmitted either explicitly or implicitly, retrying the transaction. In either case, you need to make changes to the application. If your application experiences frequent conflicts between two write operations, the value of optimistic locking is diminished. The ...
55.1 Introduction to Batch Processing A batch job can be completed without user intervention. For example, consider a telephone billing application that reads phone call records from the enterprise information systems and generates a monthly bill for each account. Since this application does not ...
Abstraction allows a person to use a complex device or system without having to know the details of how that device or system is constructed. Broadly speaking, there are two modes in which databases are used: The first mode is to support online transaction processing, where a large number ...
Applies to: Microsoft® Excel 2002 Summary:This quick and easy introduction to OLAP databases shows you the differences between traditional Online Transaction Processing (OLTP) databases and Online Analytic Processing (OLAP) databases and how to access OLAP databases from your Office solutions. (8 pr...