The history began between Relational Databases and SQL. In 1970‚ Edgar F. Codd wrote the now-famous paper on relational data modeling: "A Relational Model of Data for Large Shared Data Banks." The original relational database language‚ developed by IBM‚ was called SEQUEL (Structured English Query Language) to support its prototype RDBMS (Relational Database Management System) called System/R. The name later was changed from SEQUEL to Structured Query Language. In the beginning Codd started out a
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Pablo Jeffrey M. Quinquileria School Year/Trimester: 2010-2011/2nd Tri Proposed Title: “Imatech’s Employment Resource Database” Area of Investigation Imatech is comprised of the best in the industry‚ with experienced sales staff and continuously trained engineers and technical staff. The company designs‚ supplies and integrates Audio Visual Systems that are technologically advanced and adheres to international standards. The Problem that the proponents cited from Imatech
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CIT 214 – Assignment 1 – Logical Database Design‚ The Big Boys and Girls Gym Database View 1 MEMBER (MEM_ID‚ MEM_LAST‚ MEM_FIRST‚ MEM_EMAIL‚ MEM_LEVEL‚ MEM_BDAY) AK MEM_EMAIL SK MEM_LAST EMAIL (EMAIL_ID‚ MEM_ID‚ C_ID‚ EVENT_ID‚ EMAIL_DESCRIP) SK MEM_ID‚ C_ID‚ EVENT_ID FK MEM_ID ( MEMBER FK C_ID ( CLASS FK EVENT_ID ( EVENT CLASS (C_ID‚ C_NUMBER‚ C_NAME‚ C_START_TIME‚ C_END_TIME‚ C_ACTUAL_DATE) SK C_NUMBER EVENT (EVENT_ID‚ EVENT_DESCRIP) SK
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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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2013 WATERMARKING RELATIONAL DATABASES Mayuree K.Rathva¹‚Prof.G.J.Sahani² Dept.of Computer Engineering‚ SVIT‚Vasad‚ Anand‚Gujarat‚ INDIA ¹mayurirathva@gmail.com and ²Gurcharan_sahani@yahoo.com ABSTRACT Uptil now most of the work is done on image‚ video‚ audio.but today the Database watermarking becomes the research topic because of the increasing the use of relational database systems. Which deals with the legal issue of copyright protection of database systems. .Watermarking is an information
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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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1 Database Design and Implementation Candidate Name: Course Name: Date of Submission: Authorization: MAY MYAT SWE Database Design and Implementation 7‚ April 2012 University of Greenwich June 2012 KMD Yangon Center MAY MYAT SWE 2 Database Design and Implementation Table of Contents No Description Page Assumption ........................................................................................ 3 1. 2. 3. 4. 5. 6. Conceptual Data Model ........................
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something a database needs to do in order to fulfill its purpose. 2. FALSE You only need to include the most important stakeholders in the database discussions. 3. TRUE Forms are used for gathering input. 4. TRUE A transaction database is optimized to track transactions in real time. 5. TRUE Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. 6. TRUE The domain is the focus or knowledge area of a database.
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true and ’F’ if the statement is false. 1) With the introduction of the computer the need for automated tools for protecting files and other information stored on the computer became evident. 2) There is a natural tendency on the part of users and system managers to perceive little benefit from security investment until a security failure occurs. 3) There are clear boundaries between network security and internet security. 4) The CIA triad embodies the fundamental security objectives for both data
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PHYSICAL DATABASE DESIGN EXAMPLES Example 1 – Consider the following relational database for the Super Baseball League. It keeps track of teams in the league‚ coaches and players on the teams‚ work experience of the coaches‚ bats belonging to each team‚ and which players have played on which teams. Note the following facts about this environment: The database keeps track of the history of all of the teams that each player has played on and all of the players who have played on each team. The
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