Xem 1-20 trên 30 kết quả Relational persistence
  • Persistent Parvovirus B19 Infection Chronic parvovirus infection is an important, treatable cause of PRCA. This common virus causes a benign exanthem of childhood (fifth disease) and a polyarthralgia/arthritis syndrome in adults. In patients with underlying hemolysis (or any condition that increases demand for red blood cell production), parvovirus infection can cause a transient aplastic crisis and an abrupt but temporary worsening of the anemia due to failed erythropoiesis.

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  • Relational databases are indisputably at the core of the modern enterprise. While modern programming languages, including JavaTM, provide an intuitive, object-oriented view of application-level business entities, the enterprise data underlying these entities is heavily relational in nature. Further, the main strength of the relational model—over earlier navigational models as well as over later OODB models—is that by design it is intrinsically agnostic to the programmatic manipulation and application-level view of the data that it serves up...

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  • Unique to the popular Grails web framework is its architecture. While other frameworks are built from the ground up, Grails leverages existing and proven technologies that already have advanced functionality built in. One of the key technologies in this architecture is Hibernate, on top of which Grails builds its GORM (Grails Object Relational Mapping) model layer. This provides Grails a persistence solution.

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  • The WebLogic Diagnostic Framework (WLDF) Console Extension is a part of the WebLogic Diagnostic Framework that provides views and tools for graphically presenting diagnostic data about servers and applications running on them. The underlying functionality for generating, retrieving, and persisting diagnostic data is provided by the WLDF framework, and the WLDF Console Extension provides additional tools for presenting that data in tables, charts, and graphs.

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  • In recent years a number of OECD countries experienced a rapid increase in housing market activity, which coincided with a period of low real and nominal interest rates. The link between the two is intuitive: low interest rates make credit cheaper and increase the demand for housing. Some scholars argue that expansionary monetary policy has been signicantly responsible for this low level of interest rates and the subsequent house price boom (Hume and Sentance (2009) and Taylor (2009)).

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  • This book packs in information about the release of the Hibernate 3.5 persistence layer and provides a clear introduction to the current standard for object-relational persistence in Java. And since the book keeps its focus on Hibernate without wasting time on nonessential third-party tools, you’ll be able to immediately start building transaction-based engines and applications.

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  • We now turn to the potential benefits of having a more accurate estimate of Chemical A's true cost. As described above, this requires knowledge of the firm's ability to change its actions in response to better information. If the disposal cost X of Chemical A is revealed to be significant, how might the firm respond? This is a question that hinges primarily on the firm's technological options and the availability of substitute inputs. Substitutes can take a variety of forms.

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  • Java Platform, Enterprise Edition is a widely used platform for enterprise server programming in the Java programming language. This book covers exciting recipes on securing, tuning, and extending Enterprise Applications using a Java EE 6 implementation. The book starts with the essential changes in Java EE 6. Then we will dive into the implementation of some of the new features of the JPA 2.0 specification, and look at implementing auditing for relational data stores.

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  • There are changes in the clinical presentation of the co-infected patient as compared to when each infection is present individually. There may be different symptoms and atypical signs. There may be decreased reliability of standard diagnostic tests, and most importantly, there is recognition that chronic, persistent forms of each of these infections do indeed exist. As time goes by, I am convinced that even more pathogens will be found.

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  • JDBC has simplified database access in Java applications, but a few nagging wrinkles remain—namely, persisting Java objects to relational databases. With this book, you’ll learn how the Spring Framework makes that job incredibly easy with dependency injection, template classes, and object-relational-mapping (ORM). Through sample code, you’ll discover how Spring streamlines the use of JDBC and ORM tools such as Hibernate, the Java Persistence API (JPA), and Java Data Objects (JDO).

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  • Currently the Internet has only one level of name resolution, DNS, which converts user-level domain names into IP addresses. In this paper we borrow liberally from the literature to argue that there should be three levels of name resolution: from user-level descriptors to service identifiers; from service identifiers to endpoint identifiers; and from endpoint identifiers to IP addresses.

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  • The Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system produced and marketed by Oracle Corporation.An Oracle database system—identified by an alphanumeric system identifier or SID[4]—comprises at least one instance of the application, along with data storage. An instance—identified persistently by an instantiation number

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  • Language Integrated Query (LINQ), as well as the C# 3.0 and VB 9.0 language extensions to support it, is the most import single new feature of Visual Studio 2008 and the .NET Framework 3.x. LINQ is Microsoft ’ s first attempt to define a universal query language for a diverse set of in - memory collections of generic objects, entities persisted in relational database tables, and element and attributes of XML documents or fragments, as well as a wide variety of other data types, such as RSS and Atom syndication feeds. Microsoft invested millions of dollars in Anders Hejlsberg...

    pdf676p bachvi 27-09-2010 205 87   Download

  • Microsoft’s ADO.NET Entity Framework, known widely as EF, introduced out-of-thebox Object Relational Mapping to .NET and Visual Studio. Central to Entity Framework was the Entity Data Model, a conceptual model of your application domain that maps back to the schema of your database. This conceptual model describes the core classes in your application. Entity Framework uses this conceptual model while querying from the database, creating objects from that data and then persisting changes back to the database....

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  • XML and some of its related technologies, including XPath, XSL Transformation, and XML Schema, are unquestionably at the foundation of ADO.NET. As a matter of fact, XML constitutes the key element for the greatly improved interoperability of the ADO.NET object model when compared to ADO. In ADO, XML was merely an (nondefault) I/O format used to persist the content of a disconnected recordset. The participation of XML in the building and in the inter -workings of ADO.NET is much deeper. The aspects of ADO.NET where the interaction and the...

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  • There are few areas of economic policy- making in which the returns to good decisions are so high – and the punishment of bad decisions so cruel – as in the management of natural resource wealth. Rich endowments of oil, gas and minerals have set some coun- tries on courses of sustained and robust prosperity; but they have left others riddled with corruption and persistent poverty, with little of lasting value to show for squandered wealth. And amongst the most important of these decisions are those relating to the tax treatment of oil, gas and minerals....

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  • However, superior performance in the past does not necessarily mean that it will continue into the future. This is because superior performance may be due to either a manager’s skill or good luck. Therefore, it is interesting to understand the characteristics of funds and to know what caused the performance; this helps investors to understand how to select their fund manager. This literature survey chapter is organised as follows. Section 2.2 surveys the writings related to performance measures and empirical evidence to do with them in the developed markets. Section 2.

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  • PART 3 Further issues and future prospects © 2001 C. H. Walker CHAPTER 13 The ecotoxicological effects of herbicides 13.1 Introduction Chapters 5–12 deal with groups of pollutants that have been studied in some depth and detail, largely because they have appreciable – sometimes very high – mammalian toxicity and are perceived as human health hazards. Some of them are markedly persistent and undergo biomagnification with passage along food chains.

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  • Motivation Scale, an instrument that measures six supportive factors related to learning (self-belief, value of schooling, learning focus, planning and monitoring, study management, persistence) and four factors that undermine learning (anxiety, low control, failure avoidance, self-sabotage).

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  • Sixth, this study can claim several new findings. This is the first mutual fund study to expose the evidence of a liquidity premium and emphasise the inclusion of including a liquidity factor in the fund performance measure (Chapter 6). This study also provides new findings about emerging markets. In Chapter 4, the study reveals the style of fund managers in these markets and shows that they rely on medium capitalisation strategy. This chapter also relates the sensitivity of data frequency to the fund performance.

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