Career Investigation: Database Administrator Keith Hudson Davenport University FRSM100‚ Career and Education Seminar Aura Gardner June 26 11‚ 2013 Definition of Success Success in my opinion can only be defined as what was left behind to be experienced or built upon for the next generation. This would be a legacy left to others which speak to your contribution to society and family. Material possession and financial gain does not identify success‚ but could be a benefit of success
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Normalization Normalization is a method for organizing data elements in a database into tables. Normalization Avoids • Duplication of Data – The same data is listed in multiple lines of the database • Insert Anomaly – A record about an entity cannot be inserted into the table without first inserting information about another entity – Cannot enter a customer without a sales order • Delete Anomaly – A record cannot be deleted without deleting a record about a related entity.
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Key concepts Let me start by naming a few of the most important concepts in relational database design. A basic understanding of these will be required to understand the rest of the article. * Primary Key (PK) A column with a unique value for each row. Although not all database management systems (DBMS) require you to put a PK into each table‚ from a design perspective a PK is a requirement. No table should be without one. * Foreign Key (FK) These define relationships between tables. When
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Database: specialized structures that allow computer-based systems to store‚ manage‚ and retrieve data very quickly. Data are raw facts. Information is the result of processing raw data to reveal its meaning. To reveal meaning‚ information requires context. Raw data must be properly formatted for storage Data constitute the building blocks of information. Information is produced by processing data. Information is used to reveal the meaning of data. Accurate‚ relevant‚ and timely information
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Need for Speed: The Run Achievements Achievements Description Name Complete Stage 1 Welcome to The Run Complete Stage 2 Walk in the Park Complete Stage 3 Vegas Baby! Complete Stage 4 Cop Out Complete Stage 5 Mr. Plow Complete Stage 6 Thunder Road Complete Stage 7 The Windy City Complete Stage 8 Got to the Chopper Complete Stage 9 Hot Pursuit Complete Stage 10 I Heart NY Complete The Run on any difficulty Coast to Coast Play through
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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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DATABASE TECHNOLOGIES CLASS T.E. ( INFORMATION TECHNOLOGY) HOURS PER LECTURES : 04 WEEK TUTORIALS : -PRACTICALS : 02 HOURS EVALUATION THEORY 3 SYSTEM: PRACTICAL -ORAL -TERM WORK -- SEMESTER VI MARKS 100 -25 25 Objectives of the course: • This course aims to provide continuum to where the first course of databases left off. Design aspects of relational databases are covered. • Complex data models like OO OR parallel and distributed are introduced. • The course provides students a good overview
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What is a database? * A database is a structured collection of data. The data is typically organized to model relevant aspects of reality (for example‚ the availability of rooms in hotels)‚ in a way that supports processes requiring this information (for example‚ finding a hotel with vacancies). * The term database is correctly applied to the data and their supporting data structures‚ and not to the database management system (DBMS). The database data collection
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clubs and adventure playgrounds. There are many different theories and approaches relating to play work. The two main theories that deal with the way that play workers approach the idea of play are the Didactic approach and the Ludocentric approach. The Didactic approach is a practical way in that play workers who use this approach believe that help from adults can help children to learn and develop certain things. For example; dressing up and taking part in role play‚ maybe acting out their future
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2007 server‚ there are always two copies of each change to the database: the change written to the page (or series of pages) in RAM‚ and the log record of those changes in the transaction logs. If the information is lost in RAM‚ if it has been written to a transaction log‚ it can be recovered and written to the database. This graph shows the types of backups and its effects on the files/transaction logs. Type Copies
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