INTRODUCTION TO DATABASE MANAGEMENT SYSTEMS By Mohammed Sanaulla Khan SID: 1120297 Mohammed Mudassaruddin SID: 1111422 Abstract A collection of programs that enables you to store‚ modify‚ and extract information from a database. There are many different types of DBMSs‚ ranging from small systems that run on personal computers to huge systems that run on mainframes. The following are examples of database applications: ✓ computerized library systems ✓ automated teller machines
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Apply the database development cycle to a given data set Database development creates enterprise data modeling‚ which forms the range and wide-ranging contents of organizational databases. There are 5 phases in Database Development Cycle: Planning; Analysis; Design; Implementation and Maintenance. Planning In Planning Stage‚ the organization needs to know why do they need the database; what do they want the database to do; and how are they going to make the database. This is also where the
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Lymaris Dalian Santiago ID# AC1404116 CV10 Intro to Computers Assignment #8 Business Consulting May 24‚ 2015 Business Consulting What formula or function does he put in Column F that will show the total expenses for each day? =SUM() In the parenthesis enter the cell letter and number to find total expenses per day. (i.e.) =sum(b5:e5) What formula or function does he put in columns B through F in Row 13 that will give him the total expenses for the week in each category? =SUM() In the parenthesis
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Files and Relational Databases What is a file? • contains groups of records used to provide information for operations‚ planning‚ management and decision making. • can be used for storing data for an indefinite period of time‚ or they can be used to store data temporarily for a specific purpose. FILE TYPES • Master Files -- contain records for a group of entities. The attributes may be updated often‚ but the records themselves are relatively permanent. These files
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SQL INTRODUCTION Diaz‚ Francis Lorenzo A. BSM CS 3B G2 History of SQL SQL began life as SEQUEL11‚ the Structured English Query Language‚ a component of an IBM research project called System/R. System/R was a prototype of the first relational database system; it was created at IBM’s San Jose laboratories by Donald D. Chamberlin and Raymond F. Boyce in 1974‚ and SEQUEL was the first query language to support multiple tables and multiple users. In the late 1970s‚ SQL made its first appearance in
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Lesson 1 What is a database: A database is a group of data that has been organised in a table or group. This makes it easy to find data‚ but also allows you to not have any duplicates in a group. A database is used in a school or college to store students date of births. This allows the school to be able to see how old the students are. The database can also be password protected to keep the data safe. What is a flat file database: A flat database is where you have all your data in one table.
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Francis I: A Pope For The Poor? Task: Use the available resources on Moodle to help answer the following questions. You may need to carry out some basic research. | 1. When a new Pope is elected in it is tradition that they take a new name. Why is the name Francis significant? Who is he named after and why were they important?Pope Francis is named after Saint Francis of Assisi. St. Francis of Assisi was born into a wealthy family although after the war he decided to live in poverty. Which
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Questions Indicate whether the following statements are true or false on the student answer sheet. 1) A requirement is something a database needs to do in order to fulfill its purpose. True 2) You only need to include the most important stakeholders in the database discussions. False 3) Forms are used for gathering input. True 4) A transaction database is optimized to track transactions in real time. True 5) Data mining uses business intelligence tools and techniques on
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Database Development Process 1. Define business processes Many database development efforts begin by defining the key business and/or operational processes within the organization Developers first create high-level models showing the major activity steps associated with marketing‚ sales‚ production‚ human resource management‚ public relations‚ research and development‚ and so on Taken together‚ these process maps represent an enterprise-wide model of the organization and its core 2. Determine
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Comparing and Contrasting the Relational Database Model and OO Model The relational database model is based upon tables or relations. In this model‚ the physical implementation of the database is abstracted away from the user. Users query the database using a high-level query language‚ such as SQL. The relations are made up of columns‚ which have headings indicating the attribute represented by that column. Tables have key fields‚ which can be used to identify unique records. Keys relate tables
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