| Summary: | 碩士 === 國立政治大學 === 資訊科學系碩士在職專班 === 104 === Software as a service (SaaS) is an emerging service model of cloud computing. Its central defining characteristic is the ability for clients to use a software application on a pay-as-you-go subscription basis. However, to be economically sustainable, a SaaS application must leverage resource sharing to a large degree by accommodating different clients of the application while making it appear to each that they have the application all to themselves. In other words, a SaaS application must be a multi-tenant application.
An important multi-tenant research topic is the various kinds of schema mapping technology have been developed in order for our tenants to customize their schema. However, it is hard to determine tenants’ need for particular schema mapping technology in different circumstances. This thesis proposes an adaptable schema mapping technology for a multi-tenant application (MTA) framework. The application and tenants’ characteristics do not need to be considered while applications developers are developing their schema mapping technology. This approach will take examples from the Private Table Layout mapping and the Universal Table Layout mapping to illustrate the features of this adaptable multi-tenant software framework. Furthermore, this thesis argues that, with the approach packaged as a software framework, developers are able to complete the development of a multi-tenant application without full understanding of the underlying technologies.
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