of the database applications. 2. What is the role of the database in the IS generic architecture? 3. What is file-based system? Give 2 examples of FBS. 4. What are main limitations of FBS? 5. What is database? 6. What does it mean that database is self-describing collection of interrelated records? 7. What does it mean that data is integrated? 8. What does it mean that database is collection of logically related data? 9. What is DBMS? 10. What are the main categories of database languages
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com is developing a system to gather and keep massive amounts of intimate information about its millions of shoppers‚ including their religion‚ sexual orientation‚ ethnicity and income. The database‚ which would combine information disclosed voluntarily by customers with facts gleaned from public databases‚ conceivably would give Amazon a larger or more detailed profile of its customers than any other retailer. The Seattle-based company‚ with 59 million active customers‚ said it has no immediate
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PubMed and Google Scholar are two different databases used for searching articles on online. PubMed are mostly used for biomedical and clinical journals. The data information are organized based on the date‚ author‚ tittle and type of article. This made it easier to search and retrieve journal articles faster. PubMed have an advance function like MeSH term subheading but Google scholar lack MeSH function (Jean-François‚ Laetitia‚ & Stefan‚ 2013). Also‚ the content of the articles on PubMed are
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MOBILE DATABASE CONTENTS | Page No. | i. Abstract | 3 | 1. Introduction | 3 | 2. Background | 4 | 3. Mobile Database Architecture | 5 | 4. Technique to Secure database 4.1 Data Synchronization 4.2 Mobile transaction 4.3 Embedded database 4.4 Authentication from the Web Server 4.5 Data Privacy 4.6 Adaptability to Middleware 4.7 Communication 4.8 Data Encryption at client side | 67788991010 | 5. Resisting
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Part 1 Background Chapter 1 Introduction to Databases 1.1 A database management system provides a number of facilities that will vary from system to system. Describe the type of facilities you might expect‚ especially those that aid the initial implementation of a database and its subsequent administration. Initially‚ the type of facilities expected should be described. These include: data storage and retrieval‚ concurrency control mechanism‚ authorization services‚ integrity mechanisms
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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studies &research Information technology department Database systems Report on: (Comparison between Relational database & object oriented database) By: Mohammed Hussein Mahmoud Mustafa khedr To: Dr. Saad Darwish Introduction A database is a means of storing information in such a way that information can be retrieved from it. Thus a database is typically a repository for heterogeneous but interrelated pieces of information. Often a database contains more than one table. Codebooks and dictionaries
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to Any Database Avirup Sil∗ Temple University Philadelphia‚ PA avi@temple.edu Yinfei Yang St. Joseph’s University Philadelphia‚ PA yangyin7@gmail.com Abstract Existing techniques for disambiguating named entities in text mostly focus on Wikipedia as a target catalog of entities. Yet for many types of entities‚ such as restaurants and cult movies‚ relational databases exist that contain far more extensive information than Wikipedia. This paper introduces a new task‚ called Open-Database Named-Entity
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1 Introduction Database is any collection of data or information‚ that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage‚ retrieval‚ modification‚ and deletion of data in conjunction with various data-processing operations. A database consists of a file or a set of files. The information in these files may be broken down into records‚ each of which consists of one or more fields. Fields are the basic units of data storage
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An online database a collection of organized data that can be accessed from various networks‚ like the internet. Usually‚ databases are used for things like booking a seat or a room in planes or hotels‚ or even online shopping. In this report‚ I have chosen to discuss two databases that are quite different‚ and investigate on the benefits and detriments of the storage of data in online information systems. The two databases I have chosen to discuss are YouTube and Amazon. These databases are some
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