this chapter‚ you will learn (continued): • About flaws in file system data management • What the database system’s main components are and how a database system differs from a file system • The main functions of a database management system (DBMS) Database Systems: Design‚ Implementation‚ & Management‚ 7th Edition‚ Rob & Coronel 3 1 Data vs. Information • Data: – Raw facts; building blocks of information – Unprocessed information • Information: – Data processed to reveal
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STI COLLEGE LIPA An Online Inquiry and Reservation with Billing System for Malyn’s Catering Services A Thesis Presented to The Faculty of STI College Lipa In Partial Fulfillment of the requirements for the degree Bachelor of Science in Information Technology By: Linatoc‚ Jojo P. Moog‚ Rose Ann M. Paltado‚ Kevin P. Villanueva‚ Alvin Ms. Daisy Mendoza-Oracion Thesis Adviser September 2014 ADVISER’S RECOMMENDATION SHEET This Thesis Entitled An Online Inquiry and Reservation with Billing System
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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 or maximum speed or others. Some DBMS cover more
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integrated? 8. What does it mean that database is collection of logically related data? 9. What is DBMS? 10. What are the main categories of database languages? 11. What is view? 12. What is it created for? 13. What are the main benefits of views? 14. List the main generic components of DBMS. 15. What is system catalog? What is the main role of system catalog? 16. What are procedures of DBMS? 17. What kind of people roles do you know? What are they responsibilities? 18. What is the role
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DATA BASE SYSTEM Introduction Data is a virtual organizational resource which is an important input in an information system. This data resource is traditionally called the data base. It is from this data base that data is processed and converted into information to satisfy information needs of the organization. Nowadays we find that the internal and external information resources available to organizations are increasing at a rapid rate‚ due to which data bases are becoming larger and
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issues the query‚ and the result is returned. This feature is known as location transparency. This can become rather complex very quickly‚ and it must be managed by sophisticated software known as a distributed database management system or distributed DBMS. A distributed database is a Data Collection which satisfies the following assumptions: resides on more than one machine with computational power; machines are connected by a communication network; it benefits of a distributed database
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(OwnerLastName‚ OwnerFirstName‚ OwnerPhone‚ OwnerEmail) SERVICE (ServiceID‚ Service‚ Date‚ Charge‚ PetID) 13) Relationships are represented by storing the key values such as pet id and owner phone number in second table column. 14) User‚ database application ‚ DBMS‚ and database 15) A self-describing collection of related tables. 16) It’s important to self-describing the data base because this is the way to know the database structure and content. 17) User data‚ metadata‚ indexes and other overhead data. 18)
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Chapter 1.0 Introduction Innovation have made possible for the operations of the computer easy enough in processing record systems such as‚ creation of data records‚ storing‚ filing and retrieval of data. ASIATECH College has increased in student`s population and at the same time‚ the number of works of the registrar and student`s grades to be processed has also increased. One of the responsibilities of the registrar office is to keep the student`s grades data secured for their records and purposes
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ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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