Brief History Of Databases In the 1960’s‚ the use of main frame computers became widespread in many companies. To access vast amounts of stored information‚ these companies started to use computer programs like COBOL and FORTRAN. Data accessibility and data sharing soon became an important feature because of the large amount of information required by different departments within certain companies. With this system‚ each application owns its own data files. The problems thus associated with
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Introduction to Databases BDS: Connolly‚ Begg‚ Holowczak Pratt/Adamski Elmasri/Navathe (3rded.) Kroenke Book (7thed.) McFadden (5thed.) Mata-Toledo / Cushman Ch. 1 and 2 Ch. 1 Ch. 1 and 2 Chap. 1 and 2 Chap. 1 Schaum’s Outlines Ch. 1 Q: What is a Database ? Answer from BDS: A shared collection of logically related data and descriptions of that data‚ designed to meet the needs of na organization. Answer from Elmasri/Navathe: A Database (DB) is collection of related data - with the
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MODERN DATABASE MANAGEMENT - Database o An organized collection of logically related data. o May be any size and complexity. - Data o A stored representation of objects and events that have meaning and importance in the user’s environment. o Become useful when placed in some sort of context. o Structured • Facts such as the customer name‚ address‚ and telephone number. • The most important structured data types are numeric‚ character‚ and dates. • Stored in tabular form • Found
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Chemistry Lab Report (Design) Factors affecting Rates of a Reaction (Kinetics) KINETICS DESIGN LAB Research Question: Does the concentration of Potassium Iodide (KI) affect the rate of its reaction with hydrogen peroxide (H2O2) (of a fixed concentration)? Introduction: There are several factors that affect the rate of a reaction. Some of them being Pressure (if the reactants are Gases)‚ Temperature‚ Presence of a Catalyst‚ Surface Area of the reactant‚ and Concentration. According to
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I. Column Oriented Database A column-oriented DBMS is a database management system (DBMS) that stores data tables as sections of columns of data rather than as rows of data. In comparison‚ most relational DBMSs store data in rows. This column-oriented DBMS has advantages for data warehouses‚ customer relationship management (CRM) systems‚ and library card catalogs‚ and other ad hoc inquiry systems where aggregates are computed over large numbers of similar data items. It is possible to achieve
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Database management systems A database management system (DBMS) consists of software that operates databases‚ providing storage‚ access‚ security‚ backup and other facilities. Database management systems can be categorized according to the database model that they support‚ such as relational or XML‚ the type(s) of computer they support‚ such as a server cluster or a mobile phone‚ the query language(s) that access the database‚ such as SQL or XQuery‚ performance trade-offs‚ such as maximum scale
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DBM405 (Database Management System) Facilitator Anup Majumder-University of Phoenix Online Abstract The research that I have done for this individual assignment where I need to provide a brief explanation of OLAP‚ Data Warehouse and Data Mart‚ Three-tier architecture and ASP was through a research online. I found that most of these acronyms for computer terminology are hard to find when the meanings that apply to your subject or acronym you are un-aware of it. In conclusion all the above
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Databases | Database Construction and Management 1. What is a database? A database is one or more large structured sets of persistent data‚ usually associated with software (database management system) to update and query the data. A simple database might be a single file containing many records‚ each of which contains the same set of fields where each field is a certain fixed width - From FOLDOC A database is a collection of data elements (facts) stored in a computer in a systematic way
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DATABASE One of the technology terms that most people have become accustomed to hearing either at work or while surfing the Internet is the database. The database used to be an extremely technical term‚ however with the rise of computer systems and information technology throughout our culture‚ the database has become a household term. A database is a structured collection of records or data that is stored in a computer system. In order for a database to be truly functional‚ it must not only store
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Significance of the Factors of Curriculum Development In the realms of universal educational system‚ the term “Curriculum” is widely used. Teacher’s Mind Resources (2011) elucidated that “the word curriculum comes from the Latin word meaning ‘a course for racing’.” By the terminology it self‚ the definition is so broad that its profoundness‚ if applied to schools‚ may define myriad things which might relate to‚ as what almost all teachers nowadays perceive‚ as contents to be taught to children
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