什么是数据库database

本文介绍了数据库的基本概念,指出其本质上是一个文件系统,并通过特定格式存储数据。此外,还讲解了如何利用SQL语言来操作这些数据。
数据库:实际上是一个文件集合,本质就是一个文件系统,数据按照特定的格式存储到文件中,用sql语言对数据进行操作
README FOR INTERBASE 5.6 Online documentation and Release Notes For a description of new features and changes in InterBase 5.6, use Acrobat Reader to view the ReleaseNotes.pdf file. In addition, the complete 5-volume document set for InterBase 5.5 is available in PDF format with InterBase 5.6. Use Adobe Acrobat Reader 3 to view these PDF files. To take advantage of the full-search indexing for the document set, you need Acrobat Reader 3.0.1 (or later) With Search. This version of Reader is included on your InterBase 5.6 CD-ROM. You can also download it from http://www.adobe.com/prodindex/acrobat/readstep.html If you go directly to this Adobe site, be sure to download the version "With Search", not the plain version. ACCESSING THE DOCUMENT SET: You can open any of the books directly from the InterBase folder in the Start menu if you have Acrobat Reader already installed and the PDF extension is associated with Acrobat Reader. To access the books from the Help menu in Server Manager, choose InterBase Help and choose the book you want from the "InterBase Books Online" section. ________________________ Uninstalling InterBase 5.6 The Windows InterBase installation allows you to choose between performing a complete install or selecting individual components. If you install a subset of the components, you can run the install again later to add more components. However, when you uninstall, only the components that you installed the last time are removed. ------------------------------------- Copyright (c) 1999 Inprise Corp. All rights reserved.
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