Beginning Windows 8 Data Development: Using C# and by Vinodh Kumar

By Vinodh Kumar

This publication introduces amateur builders to more than a few info entry recommendations for storing and retreiving information either in the community and remotely. It offers you quite a number absolutely operating facts entry recommendations and the perception you want to understand whilst, and the way, to use all the suggestions to most sensible advantage.

Focussing in particular on how the home windows eight app developer can paintings with the home windows Runtime (often known as home windows RT) framework this ebook presents cautious research of the numerous thoughts you have got open to you, besides a comparision in their strengths and weaknesses less than diversified stipulations. With the times of a unmarried database being definitely the right selection for the majority improvement tasks long past. you are going to lean that the precise selection in your app now is dependent upon quite a few elements and getting it correct could be serious in your customer's finish consumer experience.

We conceal quite a number info entry techniques starting from storing and retrieving facts in the neighborhood utilizing the JET API, to utilizing the preferred open and closed resource database items like SQLite and SQL Server. we glance at how light-weight HTML and JavaScript apps paintings good with both feather-weight information shops like IndexedDB. We'll additionally introduce you to extra complex facts entry innovations like relaxation (JSON), WCF RIA companies, ASP.NET MVC four internet API and home windows Azure which can highly extend the horizons of what it really is attainable in your app to do as garage - or even processing - are taken past the confines of your user's device.

By the time you've learn this publication you may be conversant in the most important info entry issues it is very important overview as you construct you apps and you'll be in a position to optimistically decide upon the knowledge entry structure that's the best option to the app you must construct.

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Extra resources for Beginning Windows 8 Data Development: Using C# and JavaScript

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It also imposes an ascending sort order on the associated objects. u Value: A value is a JavaScript object that associated with a given key. Every record is associated with a value. It can be a complex object that has no schematization requirements. u Key Path: A key path is a string that defines a way to extract a key from a value. A key path is said to be valid when it has either an empty string or a multiple JavaScript separated by periods. u Index: An index is an alternative method to retrieve records in an object store rather than using a key.

38 CHAPTER 4 N LOCAL DATA ACCESS: I: INDEXEDDB Figure 4-3. js. This is the main file and it contains the functionality that drives the entire application. With all the files in place and after you move some files to restructure the project for better management, the final MyCollections Windows 8 app project will look like the one shown in Figure 4-4. 39 CHAPTER 4 N LOCAL DATA ACCESS: I: INDEXEDDB Figure 4-4. Visual Studio Solution Explorer displaying the MyCollections project structure Defining the Schema The MyCollections IndexedDB database CollectionDB will have only one object store called Movies.

Safari and Opera support an alternate mechanism for client-side database storage called Web SQL Database. As of November 2010, the W3C Web Applications Working Group ceased working on the Web SQL Database specification, citing lack of independent implementations. Using IndexedDB in Windows 8 Application Internet Explorer 10 and Windows Store apps using JavaScript support the Indexed Database API defined by the World Wide Web Consortium (W3C) Indexed Database API specification, so applications written using HTML5 and JavaScript will be able to use IndexedDB as a local storage options.

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