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Titlebook: Database Systems; A Pragmatic Approach Elvis C. Foster,Shripad V. Godbole Book 2014 Elvis Foster and Shripad Godbole 2014

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21#
發(fā)表于 2025-3-25 06:46:31 | 只看該作者
https://doi.org/10.1007/978-94-017-1147-0 fundamental topics in programming, data structures, user interface, and software engineering. Now you want to learn about databases — their significance, the underlying theoretical principles that govern them, how they are constructed, and their management. You are at the right place. This chapter
22#
發(fā)表于 2025-3-25 07:46:34 | 只看該作者
https://doi.org/10.1007/978-94-017-1147-0nd the reason will become clear shortly. All discussions in chapters 3 and 4 contribute to database modeling and design. In particular, ERDs and normalization are paramount to a logical database model and design. In this chapter, we will clarify the roles of database modeling and database design, an
23#
發(fā)表于 2025-3-25 15:20:06 | 只看該作者
https://doi.org/10.1007/978-94-017-1147-0t facilitates end users accessing the system. The chapter presumes that you are familiar with basic software engineering principles as well as user interface design principles as covered in your undergraduate degree. The chapter is therefore a summary that includes:
24#
發(fā)表于 2025-3-25 17:08:38 | 只看該作者
David R. Axelrad,Wolfgang Muschiknd set theory), which are well known and well documented. The (normalized) relational tables are by design, organized in such a way as to promote and facilitate manipulation of data to yield meaningful information. As mentioned earlier in the course (chapter 2), data manipulation relates to the addi
25#
發(fā)表于 2025-3-25 22:20:13 | 只看該作者
David R. Axelrad,Wolfgang Muschike previous chapter (figures 7-1 and 7-2) will be used as a frame or reference. It must be constantly borne in mind that relational algebra and relational calculus are mutual equivalents; most DBMS suites will implement one or the other, or aspects of both, depending on what is convenient to the deve
26#
發(fā)表于 2025-3-26 03:23:34 | 只看該作者
David R. Axelrad,Wolfgang Muschikribution to the field of database systems. We now pause to conduct a more enlightened discussion of this contribution and its effect on the field. This rather short chapter proceeds under the following subtopics:
27#
發(fā)表于 2025-3-26 07:53:35 | 只看該作者
28#
發(fā)表于 2025-3-26 09:22:43 | 只看該作者
Equations of Continuum Thermodynamicsbjects in Oracle — tables, indexes, views, constraints, synonyms, and sequences. Other more advanced types of database objects include databases, table-spaces, data-files, users, user profiles, functions, and procedures.
29#
發(fā)表于 2025-3-26 15:06:34 | 只看該作者
30#
發(fā)表于 2025-3-26 17:04:09 | 只看該作者
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