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关注：1
2013-05-23 12:21
求翻译： Database records and files must be organized to allow retrieval of the information. Early systems were arranged sequentially （i.e., alphabetically, numerically, or chronologically）; the development of direct-access storage devices made possible random access to data via indexes. Queries are the main way users retriev是什么意思？ 待解决
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Database records and files must be organized to allow retrieval of the information. Early systems were arranged sequentially （i.e., alphabetically, numerically, or chronologically）; the development of direct-access storage devices made possible random access to data via indexes. Queries are the main way users retriev
问题补充： |
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2013-05-23 12:21:38
数据库记录和文件的组织必须允许检索的信息。早期的系统顺序排列（即按字母顺序排列，数字，或按时间顺序）;直接访问存储设备的发展成为可能，通过索引数据的随机存取。查询用户检索数据库信息的主要途径。通常情况下，用户提供的字符的字符串，计算机在数据库中的一个对应的序列，并提供源材料，其中出现的那些字符。用户可以请求，例如，所有记录在其中的内容为一个人的姓氏字段中的字smith。
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2013-05-23 12:23:18
Database records and files must be organized to allow retrieval of the information. Early systems were arranged sequentially (i. e., alphabetically, numerically, or chronologically); the development of direct-access storage devices made possible random access to data via indexes. Queries are the mai
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
Database records and files must be organized to allow retrieval of the information. Early systems were arranged sequentially （i.e., alphabetically, numerically, or chronologically）; the development of direct-access storage devices made possible random access to data via indexes. Queries are the main
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2013-05-23 12:28:18
Database records and files must be organized to allow retrieval of the information. Early systems were arranged sequentially (i. e., alphabetically, numerically, or chronologically); the development of direct-access storage devices made possible random access to data via indexes. Queries are the mai
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