5. To explore the existing database for the Sweeney Tour system. 1.2 Problems COUNTRY (country‚ language‚ timezone‚ currency) REGION (region‚ landtype‚ country‚ scenery‚ page) RESORT (resort‚ region‚ transfertime‚ beach‚ beachnum‚ page) HOTELS (hotel_id‚ hotelname‚ sunbeam‚ ya‚ rating‚ stdbasis‚ page‚ resort‚ resortloc‚ roomtotal) FACILITIES (facid‚ description‚ category) FACINRESORT (resort‚ facid) FACINHOTEL (hotelid‚ facid‚ numof) 1.3 Normalization 1.3.1 First Norm COUNTRY (countryCode
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what database condition? The same data is recorded in more than one place in the same database. which best defines the function of a primary key uniquely identify the record what best describes the function of a foreign key. the primary key repeated in another table to show relation a database entity can be best described as: something that the something the database is concerned for‚ and can be added into the database which best defines the term database requirement? something a database must
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functionalities. The tour operator seeks a database management specialist to assist them in leveraging their data sources to enable them to forecast and project tour sales appropriately. Imagine that you have been hired to fulfill their need of enhancing the data repository for their current reservation processing system. Upon reviewing the system‚ you find that the data structure holds redundant data and that this structure lacks normalization. The database has the following characteristics:
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Data mining and OLAP are the most common Business Intelligence technologies. The term Business Intelligence refers to computer based methods to identify and extract useful information from business data. Online Analytical Processing commonly known as OLAP provides summary data and generates rich calculations. OLAP is a class of systems that provide answers to multidimensional queries. OLAP is typically used in business reporting for sales‚ marketing and various such domains. OLAP enables the users
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Benefits of a Database and Information-Gathering Techniques Brian Morrow Professor Cohen CIS 111 May 5‚ 2013 A database management system is a system in which data is stored‚ processed‚ and retrieved. These systems are known for security accuracy and consistency. A well-planned and developed database is very efficient and meets the current and future needs of the organization to which it services. This type of system allows the organization to collectively store and manipulate data. One key
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Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
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DATABASE: A database is an organized 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). A general-purpose database management system (DBMS) is a software system designed to allow the definition‚ creation‚ querying‚ update‚ and administration of databases. Well-known DBMSs include MySQL‚ PostgreSQL‚ SQLite
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Institution Database Software The acquisition of database software for business information management is a source of business leverage in the ever competitive business environment. The management of business information is made possible by the acquisition of efficient database software. Database software is the term that refers to the computer program that helps to enter‚ update‚ organize‚ retrieve‚ and report information held in a computer database. Among the commonly used database software for
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ERD Normalization Name DBM 380 April 19‚ 2010 Instructor Introduction Normalization means to organize data and break-down the data into smaller tables‚ which makes data management an easier process. To avert redundant data‚ normalization of a database occurs thus making sure data dependencies make sense. Database normalization aids in the identification of potential
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on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories • Stock market prices Universe of Discourse A database is a model of some aspect of the reality of an organisation. It is conventional
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