منابع مشابه
مقدمه ای بر: تکنولوژی data base و اداره سازمان
در ادراه امور سازمان نیز از تکنولوژی data base در دو زمینه مشخص یعنی بصورت سیستم های عملیاتی و سیستم های اطلاعاتی میتوان استفاده کرد. در شرایط کنونی وجود موانع متعدد از قبیل فرهنگ غالب در سازمان های بزرگ و طرز تلقی مدیران دیوان سالار از یکطرف و تازه گی و پیچیده بودن فنون مربوط به سیتم های data base فقدان دانش، تجربه و تخصص کافی برای بهره گیری کامل از آن از طرف دیگر، برنامه ریزی و اقدام برای ایج...
15 صفحه اولPurging in an Equality Data Base
Equality data bases are important in facilitating proofs of equality between terns. They are useful in the implementation of code optimizers [2], program verifiers [7,9], theorem provers [I], and symbolic execution systems [S]. In these applications the typical operations are determining whether or not two terms are known to be equal and updating the data base to include a new equality. Some so...
متن کاملAn extensible distributed data base system
Extensibility is one of many claims of improved performance being made for distributed processing systems. Extensibility means system properties, such as "incremental growth and configuration flexibility," "highly adaptable to changes in workload," "incremental replacement and/or upgrading of components (both hardware and software)" and "easily expanded in both capacity and function."2 Although...
متن کاملAn Expert System Controlling an Adaptable Distributed Data Base System
The task of concurrency control is to synchronize the user transactions on this data base and with this to avoid conflicts that lead to faulty or inconsistent data. Concurrency control has been subject to active research for quite some time and several concurrency control algorithms have been proposed and implemented. The relative performance of these methods varies depending on the system envi...
متن کاملthe comparison between global and regional precipitation data base with iran asfezari and station data base
nowadays, undoubted access to up to date with high spatial resolution and low temporal resolution of meteorological parameters is a one of the necessary needs for meteorological science researches. in order to doing this research have been used the different daily, monthly and yearly iran precipitation from global and regional data base of gpcpø gpccø aphrodit v101 0.25ø aphrodit v101 0.5 ù...
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ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1987
ISSN: 0001-4966
DOI: 10.1121/1.2034854