Lecture Notes 1 Data Modeling ADBMS Lecture Notes 1: Prepared by Engr. Cherryl D. Cordova‚ MSIT 1 • Database: A collection of related data. • Data: Known facts that can be recorded and have an implicit meaning. – An integrated collection of more-or-less permanent data. • Mini-world: Some part of the real world about which data is stored in a database. For example‚ student grades and transcripts at a university. • Database Management System (DBMS): A software package/ system to facilitate
Premium Database Data modeling Relational model
SMS CUSAT Reading Material on Data Mining Anas AP & Alex Titty John • What is Data? Data is a collection of facts and information or unprocessed information. Example: Student names‚ Addresses‚ Phone Numbers etc. • What is a Database? A structured set of data held in a computer which is accessible in various ways. Example: Electronic Address Book‚ Phone Book. • What is a Data Warehouse? The electronic storage of large amount of data by business. Concept originated in
Premium Data mining Decision support system
Components of DSS (Decision Support System) Data Store – The DSS Database Data Extraction and Filtering End-User Query Tool End User Presentation Tools Operational Stored in Normalized Relational Database Support transactions that represent daily operations (Not Query Friendly) Differences with DSS 3 Main Differences Time Span Granularity Dimensionality Operational DSS Time span Real time Historic Current transaction Short time frame Long time frame Specific Data facts Patterns Granularity Specific
Premium Data warehouse
Cisco Systems‚ Inc. is an American multinational corporation headquartered in San Jose‚ California‚ that designs‚ manufactures‚ and sells networking equipment. The stock was added to the Dow Jones Industrial Average on June 8‚ 2009‚ and is also included in the S&P 500 Index‚ the Russell 1000 Index‚ NASDAQ 100 Index and the Russell 1000 Growth Stock Index. The phenomenal growth of the Internet in mid-to-late 1990s quickly changed the telecom landscape. As the Internet Protocol (IP) became widely
Premium OSI model Ethernet Data Link Layer
ict policy Data Protection ICT/DPP/2010/10/01 1. Policy Statement 1.1. Epping Forest District Council is fully committed to compliance with the requirements of the Data Protection Act 1998 which came into force on the 1st March 2000. 1.2. The council will therefore follow procedures that aim to ensure that all employees‚ elected members‚ contractors‚ agents‚ consultants‚ partners or other servants of the council who have access to any personal data held by or on behalf of the
Premium Data Protection Act 1998 Computer Misuse Act 1990 Access control
DATA DICTIONARY Data Dictionaries‚ a brief explanation Data dictionaries are how we organize all the data that we have into information. We will define what our data means‚ what type of data it is‚ how we can use it‚ and perhaps how it is related to other data. Basically this is a process in transforming the data ‘18’ or ‘TcM’ into age or username‚ because if we are presented with the data ‘18’‚ that can mean a lot of things… it can be an age‚ a prefix or a suffix of a telephone number‚ or basically
Premium Data type
Answer: A Diff: 1 Topic: Firms and Households Skill: Conceptual 2) Firms are organizations that A) take advantage of the public. B) transform resources into products. C) transform outputs into inputs. D) consumer outputs. Answer: B Diff: 1 Topic: Firms and Households Skill: Definition 3) An entrepreneur is a person who does all of the following EXCEPT A) assumes the risk of a firm. B) organizes and manages
Premium Supply and demand
Deep within the Ouachita Mountains of southwest Arkansas lies a summer camp like no other. Every summer thousands of kids return to the best experience of their lives‚ Camp Ozark. One of the many adventures at camp is tribal competition. In tribal competition‚ the campers are assigned a tribe which they keep throughout their lives. These tribes are the Caddo and the Osage. The Caddo and the Osage meet every year at camp to settle who is the better tribe by playing games throughout the week‚ and then
Premium High school English-language films Learning
Big Data‚ Data Mining and Business Intelligence Techniques 2 What is Data? • Data is information in a form suitable for use with a computer. • There are two types of data ▫ Structured ▫ Unstructured • The total volume of data is growing 59% every year. • The number of files grow at 88% every year. 3 What is Big Data? Exa Analytics on Big Data at Rest Up to 10‚000 Times larger Peta Data Scale Giga Data at Rest Tera Data Scale Mega Traditional Data Warehouse
Premium Data analysis Business intelligence Data
LECTURE 1 DATA TYPES Our interactions (inputs and outputs) of a program are treated in many languages as a stream of bytes. These bytes represent data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data in various way such as adding them up or sorting them. This data comes in different forms. Examples include: your
Premium Data type