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Titlebook: Concise Guide to Databases; A Practical Introduc Peter Lake,Paul Crowther Textbook 20131st edition Springer-Verlag London Ltd., part of Spr

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31#
發(fā)表于 2025-3-27 00:22:13 | 只看該作者
32#
發(fā)表于 2025-3-27 03:41:18 | 只看該作者
33#
發(fā)表于 2025-3-27 06:42:40 | 只看該作者
In-Memory Databasesrm ‘data half-life’ referring to data being more valuable in real time and diminishing in value over time. Therefore speed of processing giving real time insights which can be used immediately is important. In-memory databases therefore allow real-time online analytical processing (OLAP) analysis on
34#
發(fā)表于 2025-3-27 11:23:59 | 只看該作者
35#
發(fā)表于 2025-3-27 14:11:08 | 只看該作者
Database Performanceelements of a databases performance, discussing issues like throughput, workload and contention. We note that there are many levels at which we can apply performance tools, including the physical level (increasing RAM for example), and at the Schema level. However, much of our focus is on SQL Optimi
36#
發(fā)表于 2025-3-27 21:23:08 | 只看該作者
Securitythough this is usually through another server. It is however where most threats come from. Keeping virus checking and firewall software up to date will prevent most external attacks but internal abuse of user privileges also needs to be considered. The final aspect is the procedures which are in pla
37#
發(fā)表于 2025-3-28 01:17:42 | 只看該作者
Data, an Organisational Assetta is used to make strategic decisions about the future direction an organisation will take and for that the data must be both current and accurate. Because data is an asset to a company it can be given a value and it can be traded. This chapter will look at data as an organisational asset tracing i
38#
發(fā)表于 2025-3-28 04:24:59 | 只看該作者
A History of Databasestimes. We also so that the big drivers of the need to keep detailed records were trade and taxation. Electronic computers provided an accurate and fast way of recording and calculating data. The first commercial computers appeared in the early 1950’s and with these Data could now be processed much f
39#
發(fā)表于 2025-3-28 08:00:32 | 只看該作者
Physical Storage and Distributionm and so an understanding of issues like physical storage and distribution are important concepts to understand. We explore the ways in which database architectures are built up from the building blocks of bytes and data blocks, and the way that physical elements such as RAM and Disk memory are used
40#
發(fā)表于 2025-3-28 14:24:36 | 只看該作者
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