...Addison Huggins Unit 4 Research assignment 1 July 24, 2014 The definition of Functional dependency is when one attribute in a relation uniquely determines another attribute. This can be written A -> B which would be the same as stating "B is functionally dependent upon A." While I was looking online for a good example of Functional dependency I came across one, the example comes from the website. http://databases.about.com/cs/specificproducts/g/functdep.htm in this example and I quote ” In a table listing employee characteristics including Social Security Number (SSN) and name, it can be said that name is functionally dependent upon SSN (or SSN -> name) because an employee's name can be uniquely determined from their SSN. However, the reverse statement (name -> SSN) is not true because more than one employee can have the same name but different SSNs.” Transitive dependency occurs when there is an indirect relationship that causes a functional dependency. While looking this up on the internet, it is hard to find a good example but in time I did. The example comes from http://databases.about.com/od/specificproducts/g/transitive-dependency.htm and from the website the example is and I quote “”A -> C” is a transitive dependency when it is true only because both “A -> B” and “B -> C” are true.” Demoralization is a strategy that database managers use to increase performance in their database. This is used to reduce certain types of problems that might come...
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...Design and Applied Research of the Distributed Real-time Database in Smart Grid Chunfeng Liu, Yan Jiang, Feng Zhao, Qiao Sun, Yang Zhang, Zhiqi Li, Chao Li Beijing Guodiantong Network Technology Company Ltd., No.1 Hangfeng Road, Fengtai District, Beijing, 100070, China {liuchunfeng, jiangyan, feng_zhao, sunqiao, zhangyang2, lizhiqi, lichao3}@sgepri.sgcc.com.cn database. Both timing constraints and data consistency should be taken into consider in real-time database systems when scheduling the transactions so that they can be accomplished by their corresponding deadlines[3]. For instance, both the query and update on the acquisition data of smart electricity meters, mainly working for the calculation of the multistep electricity price and electricity increment, must satisfy not only the database consistency constraints but also the time constrain, processed within the given deadlines. Apart from the time constraints that are out of the demand of continuously data tracking, timing correctness requirements are also proposed due to the need to keep data available for the decision-making activities of the controlling systems[4]. Based on these situations, real-time databases are used in a wide Keywords— Distributed, real-time database, smart grid, typical range of applications in the power industry. applications, electric energy data acquire system At the same time, the electricity data also has astounding I. INTRODUCTION quantities. In China, the scale of the data points in smart...
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...referred to as Periodicals) • CINAHL - Cumulative Index to Nursing and Allied Health Literature 1. Click on “database” link in Menu 2. Select “CINAHL Plus with Full Text” 3. Enter your DSI # and date of birth (in YYYYMM format) 4. Choose “Medline & CINAHL”, and select “CINAHL” 5. Select “Advanced Search” 6. Click “CINAHL Headings” at the top of the page. Enter your search term in the browse box. 7. Select the appropriate CINAHL search term. Click the box to explode the categories for more specific search headings. (Example: diabetes becomes Diabetes Mellitus) 8. Click the CINAHL heading term 9. Click the box to explode the categories to select more specific subheadings. 10. Click on “Search” 11. Check box for “Peer Reviewed” (down the search screen page a bit) 12. Check the box for “Full Text” and to sort by date. 13. Click on “HTML Full Text” or “PDF Full Text” to open article. If you create a “sign in” user, you can also save the document to a folder in “MyEBSCOhost” and retrieve it in future sessions without having to repeat your search. Remember to click on the “cite” icon at the side of screen for the correct citation to use in your reference list. • NURSING AND ALLIED HEALTH • OVID • ACADEMIC Search, BUSINESS Source, PROFESSSIONAL Development [EBSCO] • Related RESOURCES - (Articles found here may NOT be appropriate FOR SCHOLARLY RESEARCH) 1. Nursing Reference Center 2. Consumer Health 3. Alt. Health Watch 4. Additional Online Links to periodicals...
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...Research Database Assignment Form Describe briefly your topic of interest (15 possible points): The area that was chosen for this assignment is alarm fatigue. Alarm fatigue has been described as the process that occurs when nurses are desensitized due to too many alarms that are sounding constantly. Often times, there is no clinical indication for alarms that are sounding. This leads nurses to make the assumption that certain alarms are not important or the alarms very simply become background noise. Alarm fatigue has become nationally recognized and is the National Patient Safety Goal (NPSG) that was implemented by JCAHO for 2014. Medical alarms that are supposed to make nurses aware that something is wrong with the patient and prevent sentinel events have resulted in sentinel events. Some research has been done to show that alarms that were ignored is what led to the sentinel event occurring. I chose to research this area as I have witnessed this in the workplace over the years. I am reluctant to see what the outcomes of research on this subject will lead to and what protocol implementations will occur to meet the 2016 JCAHO deadline for this problem to be addressed. #1 Database (or collection) (30 possible points): Title of source: Association for the Advancement of Medical Instrumentation (AAMI) Location of source (URL): http://www.aami.org/htsi/alarms/library.html Owner or publisher: Healthcare Technology Safety Institute (HTSI) Describe (in your...
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...Database concepts research assignment week 9 Don't use Personal Identifiable Information (PII) in your password such as, Name, User name, Birthday, Pet’s name or Child's name. Don't use any word that can be found in the dictionary as your full password. Don’t use the same password for online banking that you use for social networking or email. Don’t give your password to someone over the phone. Try to use special characters such as non-alphabetic characters. Try to create passwords at with at least eight characters. Try to use a password vault application to protect and help manage your many passwords. Try to change your most critical passwords on a regular basis. The Windows operating system already has authentication functionality built-in. It has to do so. And if you're in a domain environment, there are special computers, called Domain Controllers, where authentication actually takes place. Those systems tend to be treated more security than regular servers, even SQL Servers. And therefore, if the username/password combinations are going to be stored on the most secure systems in the domain, that would be on the domain controllers (as a side note, a hash is what is actually stored there, not the password itself). If you let Windows do the authentication, then SQL Server doesn't have to store anything related to a username/password combination. And it's up to Windows to check the security. In other words, SQL Server is handing off this sort of authentication to processes which...
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...United States 38 2. Figure 2 Shows the average salary for different DBMS jobs 39 Introduction Since decades, database management has had a prominent position in the field of IT. It mainly deals with the maintenance and operation of the databases of business services. Currently I have enrolled in master’s program in information assurance which is the combination of business assurance and information technology. It covers the core topics like networking, database management and security of systems for business organizations. I am strongly determined to work as a database administrator for an organization. A database is...
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...The Getty Provenance Institute’s database (The Gettys research institute, 2012) contains 1.1 million records. All of these records can be used for a wide variety of research. According to the institute the database can be used for assistance in finding information for Projects, and for the Study of Collecting. According to the Database, “The J. Paul Getty Museum acquired The Entombment (ca. 1612) by Peter Paul Rubens in a Christie's sale in 1992. At that time, the provenance of the painting could only be traced as far back as the mid-19th century. The number 146, located on the face of the painting, appeared to be an inventory number (the Getty Research Institute, 2012). A search in the Provenance Index's Archival Inventories database retrieved a single record in which the artist name (Rubens) and item number (146) matched. The search lead to a 1651 inventory preserved in the Archivo de la Casa de Alba, Palacio de Liria in Madrid, which lists this Rubens painting. Possibly its first owner was Gaspar de Haro y Guzmán Carpio (1629–1687)”. Other Institutions are not as lucky some. Some Museums are not so fortunate to find the item number associated with the picture. When it is time to introduce the collections into a database, curators of small museums find themselves in a little bit of trouble. The features and capabilities offered by the newer commercial and professional collection systems are more than they will ever need, more than they can support and more than they...
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...1.0 Introduction. This chapter of the project report comprises of the background of the study, statement of the problem, general and specific objectives of the research, scope of the study and significance of a computerized records management system. 1.1 Background information. I have much concentration on one of primary school known as kyegera parents primary school. It is one of the many privately owned primary schools in kampala district. This primary school was constructed and started operating in 2006 to offer good education to the young generation in the district and perhaps competite with the rest of the country’s schools. The manual based granding system is the current system used by this education institute as I analyze this system I found that the system was costly in terms of purchasing papers, calculator and minimising error. A computerized granding management system for an education institution is all about simpling stundents granding, securing reports, managing and quick retrieval of data and storage of large volume of data with the help of hard drive and can be kept for long period of time. It also allows deletion and editing of data which cannot be done on paper. 1.2 Problem statement. The institutions current system is mainly manual based granding system which are costly in terms of granding using calculator , storage and securing records from intruder to access them. 1.2.1 General objective. The purpose of this project is to design a computerized...
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...SOURCES FOR INDUSTRIES AND COMPANIES 1. Plunkett Research Online http://cufts2.lib.sfu.ca/CRDB4/BVAS/resource/10747 This is actually a collection of "industry almanac" ebooks from one publisher, rather than a normal article or report database. Each title will have a general overview of the industry, followed by a long directory of key companies, all in a downloadable ebook format. 2. IBISWorld http://cufts2.lib.sfu.ca/CRDB4/BVAS/resource/10535 IBISWorld includes Canadian, US, China, and Global report modules. It provides industry reports that touch on things like barriers to entry and concentration, and it includes a list of a few top companies in each industry. 3. MarketLine There are hundreds of MarketLine industry reports in both our ORBIS and Business Source Complete databases. We could also use the same database to extract company reports on major firms in that field. http://cufts2.lib.sfu.ca/CRDB4/BVAS/resource/6022 4. Factiva and LexisNexis are some of the best places to start if you want to start understanding who the key publishers (government agencies, industry associations, etc.) are in a given field. You may get lots of press releases on strategic alliances, M&As, joint ventures, etc. 5. International Market Research http://www.lib.sfu.ca/help/subject-guides/business/international-market 6. Industry Surveys http://www.lib.sfu.ca/help/subject-guides/business/industry-surveys 7. Passport GMID http://cufts2...
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...idea of database evaluation. The author believe that there are several different areas of the database that should be looked at such as the color of the site, the way the search screen are made and more. He believes that learning this gives to the true understanding of the database evaluation. Brooks sees that sellers will describe the databases in the way of the numbers of printed work that is available in complete written material. But Brooks believes that for evaluation and direct comparing of information is not suffice. He thinks that people that evaluate these things should look at subsets of the numbers to get the complete truth and understanding of the treasure of a good developed database. Brooks shows that two databases created to reach the research needs of an educational group. An example of a question in a database could be “How many of the publications are in complete text?” The database also had a list of the complete texted publications and it tells you how many of the publications that were active and the ones that were peer-reviewed. It also told about the complete text that is continuing being published. The article did speak about embargoes which is a delay in the time the completed text material is available. The idea with the embargoes is that anyone that is using the system should understand that any other material that is similar to the one material will normally have a delay too. It should be known that several databases have a...
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...Database Security Solutions Defined There are six different categories of solutions in the matrix above that align with your organization’s compliance and security objectives. • Discovery and Assessment locate where database vulnerabilities and critical data reside. • User Rights Management identifies excessive rights over sensitive data. • Monitoring and Blocking protect databases from attacks, unauthorized access, and theft of data. • Auditing helps demonstrate compliance with industry regulations. • Data Protection ensures data integrity and confidentiality. • Non-Technical Security instills and reinforces a culture of security awareness and preparedness. Discovery and Assessment Scan for Vulnerabilities: Understanding vulnerabilities that expose databases to input injection is essential....
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...Big Data [Name of Writer] [Name of Institution] Introduction The term Big Data is gaining more followers and popularity. However, despite this trend, not all organizations are clear about how to face the challenge to store, organize, display and analyze large volumes of data. The term Big Data is gaining more followers and popularity. However, despite this trend so evident, not all organizations are clear about how to face the challenge to store, organize, display and analyze large volumes of data. There are multiple techniques in terms of huge database storing approaches that can store petabytes, exabytes and may be zetabytes data. These options are Cassendara, Mongodb and HBase. We will discuss about them one by one and in a proper research method and will compare them in order to contrast their difference and efficiency. Research Background One problem in understanding the phenomenon is that the size of these data sets the volume greatly exceeds the Data warehouse. A plane collects 10 terabytes of information from sensors every 30 minutes flight, while the Stock Exchange of New York collects structured information 1 TB per day. In the context of Big Data, volumes are reaching peta bytes, exa bytes and then soon to zeta bytes. For instance, Apple has just announced that 7 trillion send daily notifications to iOS devices. The explosion of information in social networks, blogs, and emails is characterized the presence of data key...
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... Acknowledgement This Research Paper would not have been possible without the guidance and the help of my co-students and respected Professor who in one way or the other contributed and extended their valuable assistance in the preparation and completion of this research paper. I would to like to convey my sense of gratitude to Professor.Rajni Palikhey who helped and supported us right throughout the semester. This paper would not have been possible without her cooperation and technical assistance. We would also thank our Institution and our faculty members without whom this project would have been a distant reality. We also extend our heartfelt thanks to our family and well wishers. I would like to take this occasion to specially thank University of Northern Virginia to provide us with excellent faculty and also in supporting us getting quality education remotely. Contents SL No Title Page no 1 Abstract 5 2 Introduction to Databases 6 3 OLTP and OLAP Systems 7 4 Difference between OLTP and OLAP 9 5 Data Modeling 13 6 Workflows in Enterprise level Data warehousing 18 7 Business Intelligence tools used in Data flow and Data Warehousing 21 8 Analysis in Data warehousing 24 9 Conclusion 28 10 Foot Note 30 11 References 31 ABSTRACT These days majority of the applications, may it be web applications or windows applications or mobile applications, are completely database dependent. Most of the application...
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...Introduction to Relational Database Management Systems Dr. Christopher Barrett May 8, 2016 Experiences and Problems with My Structured Query Language (SQL) The installation of EASYPHP and MySQL was not a smooth process. My computer did not give access to the program even though it is on the USB drive. The error message stated that MSVCR110.dll was rejecting the download. I switched to another computer and was able to look at EasyPHP and the MySQL Setup. Relational database systems are compatible with SQL in addition to information technology professionals who develop extensions to simple SQL command sets. Post-Installation Research and Capabilities of MySQL The MySQL contain many options for creating tables and indexes. These commands derive from binaries, modules, dashboards and tools. MySQL controls information by adding, deleting and retrieving data. It is a dominant tool used for pulling information and controlling data. MySQL’s integral function is data definition. Approach from Logical Model to MySQL The method of changing a Logical Model to MySQL will be done by creating a new database. According to Coronel, Morris, and Rob (2013), “Ideally, a database language allows you to create database and table structures, perform basic data management chores (add, delete, and modify), and perform complex queries designed to transform the raw data into useful information” (p. 227). Data Definition Language will be needed to create this database. The commands that...
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...real-world environment. The database designer uses data models to facilitate the interaction amongdesigners, application programmers, and end users. In short, a good data model is a communicationsdevice that helps eliminate (or at least substantially reduce) discrepancies between the databasedesign’s components and the real world data environment. The development of data models, bolstered by powerful database design tools, has made it possible to substantially diminish thedatabase design error potential. (Review Section 2.1 in detail.) 2. What is a business rule, and what is its purpose in data modelling? A business rule is a brief, precise, and unambiguous description of a policy, procedure, or principle within a specific organization’s environment. In a sense, business rules are misnamed: they apply to any organization -- a business, a government unit, a religious group, or a research laboratory; large or small -- that stores and uses data to generate information. Business rules are derived from a description of operations. As its name implies, a description of operations is a detailed narrative that describes the operational environment of an organization. Such a description requires great precision and detail. If the description of operations is incorrect or incomplete, the business rules derived from it will not reflect the real world data environment accurately, thus leading to poorly defined data models, which lead to poor database designs. In turn, poor database designs lead to...
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