Distinguish between the conceptual level, the logical level, and the physical level of database architecture.
Answer to relevant QuestionsCharacterize each of the three major models of logical data structures.a. Tree or hierarchical modelsb. Network modelsc. Relational modelsOpenOffice.org (www.openoffice.org) is both a project and a product. It is sponsored by Oracle, IBM, Google, and others. As a product, Open-Office is an open source suite of software applications similar to Microsoft Office ...For each of the following application files, discuss the relative merits of sequential, direct, and indexed- sequential file organization:a. Open-order file in a large manufacturing firmb. Accounts receivable file for a ...A data record is a collection of related fields or data elements. Record design is one of the fundamental problems of data management. A data record should include all the data elements that are essential to an application. ...You decided to use a newly acquired audit software package in auditing accounts payable. The accounts payable system has been computerized for several years, and the transaction records are recorded on magnetic ...
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