Database Processing: Fundamentals, Design, and - download pdf or read online
By David M. Kroenke, David J. Auer
Get scholars directly to the purpose of database processing. Database Processing displays a brand new instructing procedure that will get scholars instantly to the purpose with its thorough and smooth presentation of database processing fundamentals.
The 13th version has been completely up-to-date to mirror the most recent software program.
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Additional info for Database Processing: Fundamentals, Design, and Implementation (13th Edition)
They also track customer clicks, additions to shopping carts, order purchases, abandoned shopping carts, and so forth. E-commerce companies use Web activity databases to determine which items on a Web page are popular and successful and which are not. They also can conduct experiments to determine if a purple background generates more orders than a blue one and so forth. Such Web usage databases are huge. com adds 20 million rows to its Web log database each day! Reporting and Data Mining Database Applications Two other example applications in Figure 1-5 are digital dashboards and data mining applications.
One method, called Data Language/I (DL/I) used hierarchies or trees (see Appendix G) to represent relationships. IMS, which was developed and licensed by IBM, was based on this model. IMS had success at many organizations, particularly among large manufacturers, and is still in limited use today. Priorities of What You Need to Know Topic Chapter Basic SQL Importance to Knowledge Worker and Programmer Importance to Database Administrator Chapter 2 1 1 Design via normalization Chapter 3 2 1 Data modeling Chapter 4 1 1 Data model transformation Chapter 5 2 1 DDL SQL Chapter 6 2 1 Constraint enforcement Chapter 7 3 1 Database redesign Chapter 8 3 2, but 1 for senior DBA Database administration Chapter 9 2 1 SQL Server, Oracle, MySQL specifics Chapters 10, 10A, 10B, 10C 3 1 Database application technology Chapters 11, 12 1 3 1 = Very important; 2 = Important; 3 = Less important Warning: Opinions vary, ask your instructor for his or hers.
Such an index is an example of a supporting structure that is created and maintained by a DBMS. The next two functions of a DBMS are to read and modify database data. To do this, a DBMS receives SQL and other requests and transforms those requests into actions on the database files. Another DBMS function is to maintain all the database structures. For example, from time to time it might be necessary to change the format of a table or another supporting structure. Developers use a DBMS to make such changes.
Database Processing: Fundamentals, Design, and Implementation (13th Edition) by David M. Kroenke, David J. Auer