DATABASE SYSTEMS (phần 1) ppt

... using, and imple- menting database systems and applications. Our presentations stresses the fundamentals of database modeling and design, the languages and facilities provided by the database management systems, and system implementation techniques. The book is meant to be used ... I Chapter 1 Databases and Database Users DATABASE SYSTEM UserS/Programmers ~ Application Programs/...

Ngày tải lên: 07/07/2014, 06:20

... as RM/T. Childs (1968) had earlier used set theory to model databases. Later, Codd (1990) published a book examining over 300 features of the relational data model and database systems. Since Codd's pioneering ... discuss JOIN and other complex binary operations, which operate on two tables. The COMPANY relational database shown in Figure 5.6 is used for our examples. Some common...

Ngày tải lên: 07/07/2014, 06:20

... (journal) TOCS: ACM Transactions on Computer Systems (journal) TODS: ACM Transactions on Database Systems (journal) TOIS: ACM Transactions on Information Systems (journal) TOOlS: ACM Transactions on Office Information Systems (journal) TSE: ... International Symposium on Databases in Parallel and Distributed Systems, IEEE CS, December 1988. Gane, c., and Sarson, T. [1977] Structur...

Ngày tải lên: 07/07/2014, 06:20

... Relationships (e.g., Madonna is taking CS564) ❖ A Database Management System (DBMS) is a software package designed to store and manage databases. Database Management Systems, R. Ramakrishnan 6 Levels of Abstraction ❖ ... and recovery Database Management Systems, R. Ramakrishnan 14 Databases make these folks happy ❖ End users and DBMS vendors ❖ DB application programmers – E.g. smart...

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Ngày tải lên: 12/12/2013, 00:15

... 32bit hoặc x64 Cài đặt Data Protection Manager 2007 Triển khai Data Protection Manager 2007 (Phần 1) Ngu ồn : quantrimang.com  Anderson Patricio Data Protection Manager (DPM) của Microsoft

Ngày tải lên: 12/12/2013, 04:15