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With the increase of large scale web applications and introduction of cloud computing, demands for data storage systems are much more. Existing techniques and models for interacting with transactions work well for the traditional model of single database systems, but the requirement is that it should work with heterogeneous, distributed and scalable database systems. In this book we have considered workload heterogeneity. The physical machine heterogeneity can be considered in the further work. The framework takes small files for uploading on the cloud storage systems. It can be further...

The process of index creation demands highly experienced person who should have detailed knowledge of physical database designing. TIER provides help to these persons to take decision regarding index implementation. Hence, TIER should be able to recommend index for any type of inputted query. Presently, TIER takes simple queries with one level of nesting and simple join queries as input. However, user can input "n" number of queries. To strengthen TIER, it could be expanded in terms of variety of inputted queries, more types of index suggestions, runtime enabling or disabling indexes,...