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Maintaining Data

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  • Data Integrity Data integrity means that data in a database adheres to business rules. There are three primary ways in which data integrity can be maintained: Application code Database triggers Declarative integrity constraints Mapping the business rules using one of the three methods is a design decision. The database administrator is primarily concerned with implementing the methods chosen by the designer and balancing the performance needs against integrity requirements.

    ppt34p trinh02 28-01-2013 36 3   Download

  • Contents at a Glance 1 Troubleshooting Database and Server Performance 2 Analyzing Queries 3 Failure Diagnosis 4 Disaster Recovery 5 Performance Monitoring 6 Database Maintenance 7 SQL Server Integration Services 8 Design Data Integrity 9 Business Requirements 10 Replication

    pdf775p trasua_123 29-12-2012 43 5   Download

  • This paper presents a method that assists in maintaining a rule-based named-entity recognition and classification system. The underlying idea is to use a separate system, constructed with the use of machine learning, to monitor the performance of the rule-based system. The training data for the second system is generated with the use of the rule-based system, thus avoiding the need for manual tagging. The disagreement of the two systems acts as a signal for updating the rule-based system.

    pdf8p bunrieu_1 18-04-2013 52 5   Download

  • Bài giảng Cơ sở dữ liệu nâng cao - Chapter 7: Maintaining high availability. Chương 7 gồm có những nội dung chính sau đây: Availability, log shipping, data mirroring, clustering. Mời các bạn cùng tham khảo.

    ppt33p nomoney10 05-04-2017 45 5   Download

  • This paper proposes a novel approach for effectively utilizing unsupervised data in addition to supervised data for supervised learning. We use unsupervised data to generate informative ‘condensed feature representations’ from the original feature set used in supervised NLP systems. The main contribution of our method is that it can offer dense and low-dimensional feature spaces for NLP tasks while maintaining the state-ofthe-art performance provided by the recently developed high-performance semi-supervised learning technique. ...

    pdf6p hongdo_1 12-04-2013 44 4   Download

  • Objectives overview of chapter 9: Define the term, database, and explain how a database interacts with data and information; Describe the qualities of valuable information; discuss the terms character, field, record, and file; describe file maintenance techniques (adding records, modifying records, deleting records) and validation techniques;...

    pdf40p kiepnaybinhyen_04 15-12-2015 32 4   Download

  • This is to be contrasted by the fact that the NII may well be the most important technology needed to facilitate a coordinated NSDI. The Mapping Science Committee (MSC) has recommended1 that the NSDI be developed to a level that would support the needs of the nation. The costs of creating and maintaining digital spatial data are high, so it is particularly important that spatial data collection not be duplicated,

    pdf6p anhnangmuahe2013 15-03-2013 47 3   Download

  • Strengthen your understanding of data structures and their algorithms for the foundation you need to successfully design, implement and maintain virtually any software system. Theoretical, yet practical, DATA STRUCUTRES AND ALGORITHMS IN C++, 4E by experienced author Adam Drosdek highlights the fundamental connection between data structures and their algorithms, giving equal weight to the practical implementation of data structures and the theoretical analysis of algorithms and their efficiency.

    pdf67p rose_12 06-12-2012 41 2   Download

  • Lecture Managing and maintaining a Microsoft Windows Server 2003 environment - Module 11: Managing data storage. This module explains the Encrypting File System (EFS), which contributes to the safe storage of data and helps to keep the network from harm. It also explains how to administer disk quotas.

    ppt25p nomoney2 10-02-2017 36 2   Download

  • Lecture Managing and maintaining a Microsoft Windows Server 2003 environment - Module 12: Managing disaster recovery. This module explains how to plan for a computer disaster and how to use the features of Windows Server 2003 to prevent a disaster or recover when one occurs.

    ppt41p nomoney2 10-02-2017 33 2   Download

  • Module 11 - Managing data storage. This module explains the Encrypting File System (EFS), which contributes to the safe storage of data and helps to keep the network from harm. It also explains how to administer disk quotas.

    ppt25p nomoney2 10-02-2017 20 2   Download

  • For many NLP tasks, including named entity tagging, semi-supervised learning has been proposed as a reasonable alternative to methods that require annotating large amounts of training data. In this paper, we address the problem of analyzing new data given a semi-supervised NE tagger trained on data from an earlier time period. We will show that updating the unlabeled data is sufficient to maintain quality over time, and outperforms updating the labeled data.

    pdf4p hongphan_1 15-04-2013 23 1   Download

  • In this demo, we present a wiki-style platform – WikiBABEL – that enables easy collaborative creation of multilingual content in many nonEnglish Wikipedias, by leveraging the relatively larger and more stable content in the English Wikipedia. The platform provides an intuitive user interface that maintains the user focus on the multilingual Wikipedia content creation, by engaging search tools for easy discoverability of related English source material, and a set of linguistic and collaborative tools to make the content translation simple. ...

    pdf4p hongphan_1 15-04-2013 48 1   Download

  • In computer science, an AVL tree (Georgy Adelson-Velsky and Evgenii Landis' tree, named after the inventors) is a self-balancing binary search tree. This chapter includes contents: Background, define height balancing, maintaining balance within a tree.

    pdf130p allbymyself_08 22-02-2016 31 1   Download

  • Discovering Computers - Chapter 10: Database Management Define the term, databaseDefine the term, database; Identify the qualities Identify the qualities of valuable informationof valuable information; Explain why data is important Explain why data is important to an organizationto an organization.

    pdf42p maiyeumaiyeu25 16-12-2016 18 1   Download

  • The use of stored procedures can be helpful in controlling access to data end-users may enter or change data but do not write procedures, preserving data integrity and improving productivity statements in a stored procedure only need to be written one time.

    pdf5p byphasse043256 24-03-2019 12 0   Download

  • This article presents a security module based on a field programmable gate array (FPGA) to mitigate man-in-the-middle cyber attacks. Nowadays, the FPGA is considered to be the state of the art in nuclear power plants I&C systems due to its flexibility, reconfigurability, and maintainability of the FPGA technology; it also provides acceptable solutions for embedded computing applications that require cybersecurity.

    pdf8p minhxaminhyeu3 25-06-2019 6 0   Download

  • In computer science, an AVL tree (Georgy Adelson-Velsky and Evgenii Landis' tree, named after the inventors) is a self-balancing binary search tree. This chapter includes contents: Background, define height balancing, maintaining balance within a tree.

    ppt38p nanhankhuoctai9 23-06-2020 4 0   Download

  • I n 1989, Bill Jelen took a job in a finance department to maintain a very expensive reporting tool. When he discovered on day one that this new tool did not work, he began to learn how to use a $299 spreadsheet program in ways no sane person would ever think to use it. To the manager who hired him, he now wants to admit that all the reports that allegedly came out of the $50K 4th GL reporting tool from 1989 through 1994 really were actually produced with Lotus 1-2-3 and, later, Excel. Thinking he was the smartest spreadsheet guy he knew, Jelen launched MrExcel.com in 1998 and...

    pdf959p duypha 04-08-2009 354 155   Download

  • In the “old days” of the Internet, most web pages were nothing more than text files containing HTML. When people visited your site, your web server simply made the file available to their browsers. This approach started out fine, but as web sites grew, and issues such as design and navigation became more important, developers found that maintaining consistency across hundreds of HTML files was becoming a massive headache. To solve this problem, it became popular to separate variable content (articles, news items, and so on) from the static elements of the site—its design and layout.

    pdf207p bjngboong 15-03-2012 95 46   Download

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