Database2

Jul 23, 2008Download as PPS, PDF2 likes533 views

The document discusses various concepts related to computer networks and database design. It defines key terms like peer-to-peer networks, local area networks, wide area networks, and common network hardware such as routers, switches, hubs, wireless access points, network cards, and storage components like RAM, ROM, and hard disks. It also outlines the database design process and different types of database and application servers.

Analyze Data Requirement Design Conceptual Schema Select DBMS Map Database Design Physical Database Implementation

Grouping users Studying documents Observing environment Interviewing and Questionnaire

Determining entities Considering entity relation Normalizing database Determining primary keys, foreign keys, data types

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Create Table and Relation Create Fields Create Database Security Control

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Data Requirement Analysis Conceptual Schema Design Entity Design Entity Relation Primary Key, Foreign Key Determint

A peer to peer (or P2P) computer network uses diverse connectivity between participants in a network and the cumulative bandwidth of network participants rather than conventional centralized resources where a relatively low number of servers provide the core value to a service or application.

A local area network is a computer network covering a small geographic area, like a home, office, or group of buildings e.g. a school.

Wide Area Network (WAN) is a computer network that covers a broad area. Example for any network whose communications links cross metropolitan, regional, or national boundaries.

Personal Computer Server Switch Hub Access Point Wireless Network Adapter LAN Card LAN Cable

A Central Processing Unit (CPU), or sometimes just called processor , is a description of a class of logic machines that can execute computer programs.

Random access memory is a type of computer data storage where the information is lost after the power is switched off.

Read-only memory is a class of storage media used in computers and other electronic devices. Example: Hard disk, Flash drive

Application server , a server dedicated to running certain software applications Communications server , carrier-grade computing platform for communications networks Database server , Store database Proxy server , provides database IT server in services Fax server , provides fax services for clients File server , provides file services Print server , provides printer services Game server , a server that video game clients connect to in order to play online together Web server , a server that HTTP clients connect to in order to send commands and receive responses along with data contents

A network hub or concentrator is a device for connecting multiple twisted pair or fiber optic Ethernet devices together.

A wireless access point (WAP or AP) is a device that allows wireless communication devices to connect to a wireless network.

Wireless Network Adapter is device to connect and transfer data together through whether the access point or not.

A network card, network adapter, LAN Adapter or NIC (network interface card) is a piece of computer hardware designed to allow computers to communicate over a computer network.

Design and diagram for the Mahanokorn Book Center

The Internet is a global network of interconnected computers that allows for the quick transmission of information around the world. It consists of millions of smaller networks, including academic, business and government networks, that carry different types of information and services. A domain name is the human-friendly address that people type in their web browser to access a website, and it points to the actual IP address, which is a series of numbers, that hosts the website files on a server. Data packets are units of data that travel over the Internet and networks by being broken into smaller pieces for efficient transmission between computers via different network devices and routers.

Packets, routers and ip addressesHANNAHB13

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The document discusses key concepts relating to how information is transmitted on the internet. It explains that the internet is made up of interconnected computer networks. It describes how domain names are linked to unique IP addresses to identify devices. It defines data packets as the basic units of communication that are routed between networks, and explains how routers read address information in packets to determine the destination and direct packets accordingly.

The internetmaddy790465

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The document discusses several key topics relating to internet infrastructure: It defines packet switching as the process of grouping all transmitted data into standardized blocks called packets. It also explains that routers determine optimal paths between networks and transport packets through their use of routing tables and algorithms that select the best next hop based on metrics like bandwidth. Finally, it provides references to Wikipedia and a document on routing basics for more information.

Computers and moremanuelestuardo15

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A computer is an electronic device that can store, retrieve, and process data. It allows users to type documents, send emails, browse the internet, manage spreadsheets and databases, and more. An operating system manages computer resources and provides common services for programs. Computer networks allow devices to exchange data through connections established by cable or wireless media. They can be categorized by their scope, such as local area networks, wireless local area networks, wide area networks, and more.

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Introduction to networksSagar Gor

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A network connects devices together to share information and services. A computer network allows sharing of documents, email, websites, databases, music and other resources. Protocols like IP and HTTP facilitate communication across networks. The OSI and DoD models are reference models that provide standards for protocol communication. Networks can be local area networks (LANs) covering a small area like a building, or wide area networks (WANs) spanning large distances. Network architectures include peer-to-peer, client/server, and mainframe/terminal, with client/server being the most common today.

050317 Ws Telecon HusarRudolf Husar

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1) The document discusses challenges researchers face in accessing and using Earth science data from different sources and the potential for web services to help address these challenges. 2) It proposes a service-oriented architecture where data and processing are distributed across a peer-to-peer network and users can compose chains of services to transform raw data into useful knowledge. 3) Key assertions are that web services technologies are promising for building applications to access and analyze distributed Earth science resources, but issues around service discovery, semantics, and dynamic behavior need to be addressed for their full potential to be realized.

The internetbrfclouis

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The document defines key terms related to internet addressing and networking. It explains that an IP address is a unique identifier for each device on a network, while a domain name provides an easy-to-remember name associated with one or more IP addresses. It also describes data packets as formatted units of data transmitted over packet-switched networks, and routers as devices that select the best path for packets to travel between different networks.

Mis jaiswal-chapter-03Amit Fogla

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This chapter discusses telecommunications and computer networks for business. It covers data transmission units and technologies, types of networks including LANs, WANs and intranets. It describes network devices, switching methods, the OSI model layers and TCP/IP. Intranets and extranets are defined, and applications for internal networks and sharing information with business partners are provided. Internet addressing systems using IP classes are also summarized.

The internetChinmay Raul

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The document provides an overview of the Internet including its characteristics, applications, basic requirements, protocols, and how data travels. It connects various types of networks and has no central control or geographic limitations. Popular uses include searching for information, online marketing/banking, promoting business, and email/chat. Key components are a multimedia PC, modem, telephone line, browser, and Internet Service Provider account. Common protocols are TCP/IP, HTTP, and Gopher. Data is broken into packets and travels through routers, repeaters, hubs, bridges and gateways between sending and receiving computers.

Grid1Sonia Sharma

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The document provides an overview of grid computing, including definitions, architectures, related technologies like cluster and peer-to-peer computing, applications such as distributed supercomputing and data-intensive computing, communities that may use grids, and projects involving grid technologies like Globus, Condor, and Nimrod-G. It summarizes key grid challenges including data movement, resource management, and job submission.

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SOFTWARE AND WEB TECHNOLOGYRasha Kamal

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This document provides an overview of various topics related to computers and software engineering. It begins by describing the basic physical parts of a computer system, including the CPU, memory, input devices, and output devices. It then distinguishes between two main types of software: application software, which performs specific functions for the user, and system software, which supports the execution and development of other programs. The document goes on to define software engineering and the roles of software engineers. It identifies some common causes of software project failures and explains the importance of following a systematic approach through the software development life cycle. The remainder of the document focuses on topics related to websites, including what constitutes a website, different types of websites, components like web servers and script

Key aspects of big data storage and its architectureRahul Chaturvedi

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The internet louisb9b

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The document defines and explains key concepts related to how the Internet works. It describes the Internet as a global network of interconnected computer networks that uses standard protocols to provide information and communication services. It then defines domain names and IP addresses, explaining that domain names make addresses easier for people to remember while IP addresses are unique strings of numbers that identify devices. It also describes how data is broken into packets and sent over the network, with routers directing packets to their destinations.

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Chapter 05 pertemuan 7- donpas - manajemen dataUNIVERSITAS TEKNOKRAT INDONESIA

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This document provides definitions and information about data management concepts including data, information, databases, database management system (DBMS) structures, database types, and database security. It defines data and information and explains that a database consists of organized collection of data. It describes different DBMS structures like hierarchical, network, relational, and multidimensional. It also discusses various database types such as operational databases, data warehouses, analytical databases, distributed databases, and more. Finally, it covers the topic of database security.

Peer to peer_v2pptxMac Pat

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The document discusses peer-to-peer (P2P) networks. P2P allows for direct data exchange between users without centralized servers. While P2P is commonly associated with file sharing, many companies and social networks also use P2P technologies. There are different architectures for P2P networks, including centralized networks with indexing servers, decentralized distributed networks without servers, and hybrid networks that combine aspects of both. P2P software uses techniques like distributed hash tables and multi-source transfers to efficiently locate and download content across the network.

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Painless Document Scanning and Indexing with AlfrescoBlueFishTX

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Monitor tableau server for referenceSivakumar Ramar

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The document discusses how to analyze data from the Tableau Server repository by accessing the backend Postgres database. It describes the tables and views contained in the repository that provide information on user activity, server performance, and background tasks. It also provides tips on connecting to the repository database, examples of useful views and tables to query, and how to share insights from the repository data with other users.

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Introduction to computer networkingSameer Sharma

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A computer network connects two or more computers together to allow for sharing of resources like files, printers, and disk drives. The main components of a network include sender and receiver hosts, communication interfaces like switches and routers, communication channels like cables, and communication software. Networks can be classified based on their size and scope as local area networks (LANs), metropolitan area networks (MANs), or wide area networks (WANs). Common network topologies include bus, star, ring and mesh configurations.

Chapter01 -- introduction to networkingRaja Waseem Akhtar

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Networks connect computers and devices to share resources. Peer-to-peer networks allow direct communication between devices while client/server networks rely on centralized servers with more power. Common network elements include clients, servers, protocols, and transmission media. Networks provide services like file/print sharing, email, internet access, and remote management. Becoming a network professional requires technical skills, soft skills, certification, and involvement in professional associations.

Chapter 1Mike Qaissaunee

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The document summarizes key concepts about computer networks, including definitions of local area networks (LANs), virtual LANs (VLANs), wide area networks (WANs), and virtual private networks (VPNs). It also describes common network topologies like peer-to-peer, client-server, star, mesh, bus, and ring. Physical elements of networks like routers, switches, cables, and wireless technologies are identified. Common network services involving file/print sharing, access, communication, internet access, and management are outlined.

Network and programming languageRajThakuri

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The document discusses various topics related to computer networks including: - Definitions of computer networks as combinations of computers that share resources and transfer data/information. - Different types of network topologies like bus, star, ring, and hybrid topologies. - Common network devices like routers, switches, hubs, and gateways that allow interconnection and signal transfer. - Different network connection media such as twisted pair cable, coaxial cable, fiber optic cable, microwave, and satellite transmission.

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Chapter 6.0Adebisi Tolulope

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This chapter provides an overview of computer networks, including different network types, topologies, protocols, and hardware components. It discusses how networks connect various devices to share resources and information. Local area networks (LANs) connect devices within a single location, while wide area networks (WANs) connect multiple LANs across large geographical areas. Network types include wireless LANs, personal area networks, metropolitan area networks, and peer-to-peer networks. The chapter also covers benefits of networking such as reduced costs, increased communication and collaboration capabilities, centralized administration and backup, and avoidance of file duplication.

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Database2

1. http://acct0403.wordpress.com

2. Analyze Data Requirement Design Conceptual Schema Select DBMS Map Database Design Physical Database Implementation

3. Grouping users Studying documents Observing environment Interviewing and Questionnaire

4. Determining entities Considering entity relation Normalizing database Determining primary keys, foreign keys, data types

5. Database Structures Friendly Database Administration Vendor Support Budgeting Utility Tools

6. Create Table and Relation Create Fields Create Database Security Control

7. Execution Time Space Utilization Transaction Time Data Storage Structure

8. Installation Application

9. Data Requirement Analysis Conceptual Schema Design Entity Design Entity Relation Primary Key, Foreign Key Determint

10. Standalone Client-Server N tier

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14. Peer-to-peer LAN WAN

15. A peer to peer (or P2P) computer network uses diverse connectivity between participants in a network and the cumulative bandwidth of network participants rather than conventional centralized resources where a relatively low number of servers provide the core value to a service or application.

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17. A local area network is a computer network covering a small geographic area, like a home, office, or group of buildings e.g. a school.

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19. Wide Area Network (WAN) is a computer network that covers a broad area. Example for any network whose communications links cross metropolitan, regional, or national boundaries.

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21. Personal Computer Server Switch Hub Access Point Wireless Network Adapter LAN Card LAN Cable

22. CPU RAM ROM

23. A Central Processing Unit (CPU), or sometimes just called processor , is a description of a class of logic machines that can execute computer programs.

24. Random access memory is a type of computer data storage where the information is lost after the power is switched off.

25. Read-only memory is a class of storage media used in computers and other electronic devices. Example: Hard disk, Flash drive

26. Tower Rack Bade

27. Application server , a server dedicated to running certain software applications Communications server , carrier-grade computing platform for communications networks Database server , Store database Proxy server , provides database IT server in services Fax server , provides fax services for clients File server , provides file services Print server , provides printer services Game server , a server that video game clients connect to in order to play online together Web server , a server that HTTP clients connect to in order to send commands and receive responses along with data contents

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29. A network hub or concentrator is a device for connecting multiple twisted pair or fiber optic Ethernet devices together.

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31. A wireless access point (WAP or AP) is a device that allows wireless communication devices to connect to a wireless network.

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33. Wireless Network Adapter is device to connect and transfer data together through whether the access point or not.

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35. A network card, network adapter, LAN Adapter or NIC (network interface card) is a piece of computer hardware designed to allow computers to communicate over a computer network.

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38. Design and diagram for the Mahanokorn Book Center

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