By Jeffrey D. Ullman
Overseas reprint variation. Paperback. released in China. Contents in ENGLISH and completely comparable as US variation.
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It doesn't matter what DBMS you're using—Oracle, DB2, SQL Server, MySQL, PostgreSQL—misunderstandings can continually come up over the ideal meanings of phrases, misunderstandings that could have a significant impact at the good fortune of your database tasks. for instance, listed below are a few universal database phrases: characteristic, BCNF, consistency, denormalization, predicate, repeating staff, subscribe to dependency.
Additional resources for A First Course in Database Systems (3rd Edition)
For information about ways to work with the Access program window on a Windows 7 computer, refer to Windows 7 Step by Step, by Joan Lambert Preppernau and Joyce Cox (Microsoft Press, 2009). ● By default, the Quick Access Toolbar appears to the right of the Access icon at the left end of the title bar, and displays the Save, Undo, and Redo buttons. You can change the location of the Quick Access Toolbar and customize it to include any command that you use frequently. Tip If you create and work with complicated databases, you might achieve greater efficiency if you add the commands you use frequently to the Quick Access Toolbar and display it below the ribbon, directly above the workspace.
Across the bottom of the program window, the status bar displays information about the current database and provides access to certain program functions. You can control the contents of the status bar by right-clicking it to display the Customize Status Bar menu, on which you can click any item to display or hide it. ● At the right end of the status bar, the View Shortcuts toolbar provides buttons for quickly switching the view of the active database object. The goal of all these interface features is to make working with a database as intuitive as possible.
The group includes all the queries that have been saved as part of this database. 2. In the Navigation pane, right-click the Delete Discontinued Products query, and then click Object Properties. Access displays the properties of the query, including a description of its purpose. The icon at the top of the General tab indicates that this is a select query. info Exploring Queries 31 3. In the Delete Discontinued Products Properties dialog box, click Cancel. 4. Right-click the Products By Category query, and then click Open.