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Comparison of in-memory database systems
Cabalka, Martin ; Chlapek, Dušan (advisor) ; Palovská, Helena (referee)
The aim of this thesis is to analyze basic technological principles of in-memory database systems, followed by a market research and selection of the products, which will be submitted to the qualitative comparison in a number of proposed criteria. Afterwards, there will be also explored the possibility of a performance measuring through the implementation of TPC-C benchmark, created at University of economics in Prague. In the introduction are outlined the circumstances and advantages, which support one of actual trends in database systems -- in-memory database systems. In the third chapter are described the most usual models of present database systems. This is followed by a next chapter, where are described technological principles of in-memory database systems. In chapter five are compared advantages and disadvantages of disc and in-memory systems and subsequently, the most common myths about in-memory databases are disproved. In a next part the in-memory database market is analyzed and criterions for choosing compared products are defined. Those products are subsequently compared, according to criterions defined in a chapter nine. In the last part is analyzed a possibility of a performance comparison of chosen products through the selected implementation of TPC-C benchmark. The most important outcome of this thesis is a complex analyze of in-memory database systems. Both from theoretical point of view, as well as from practical testing of chosen systems from proposed criterions.
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