w1 dq2 - Choosing a Database w2 dq1 - Entity Relationship (ER) Modeling w2 dq2 - Database Table Design w3 dq1 - Conceptual Database Design w3 dq2 - Requirements Analysis w4 dq1 - Creating Queries from Woodcraft Database w4 dq2 - Creating Queries from Northwind Database w5 dq1 - Data Normalization w5 dq2 - Data Validation w6 dq1 - Data Reporting w6 dq2 - Presenting Data Effectively w7 dq1 - Database Navigation w7 dq2 - Database Security
Premium Relational model Relation Data modeling
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 following properties: 1. A DB is logically coherent and has some relevant meaning 2. A DB is designed‚ built and populated with data for a specific purpose 3. A DB represents some aspect of the real world. We can also say that the
Premium Database Entity-relationship model Relational model
Extension 7: Database Design Multiple Choice 1) A data model ________. A) is created after the database is designed B) is an attribute whose value is associated with only one entity instance C) is a logical representation of the structure of the data D) does not describe the relationships among data Answer: C Page Ref: 384 Difficulty: Easy AACSB: Use of IT Study Question: Study Question 2 2) Once the users have validated and approved the data model‚ it is transformed into a ________. A) database
Premium Database SQL Database model
DATA COMPRESSION The word data is in general used to mean the information in digital form on which computer programs operate‚ and compression means a process of removing redundancy in the data. By ’compressing data’‚ we actually mean deriving techniques or‚ more specifically‚ designing efficient algorithms to: * represent data in a less redundant fashion * remove the redundancy in data * Implement compression algorithms‚ including both compression and decompression. Data Compression
Premium Data compression
business intelligence‚ data warehouse‚ data mining‚ text and web mining‚ and knowledge management. Justify and synthesis your answers/viewpoints with examples (e.g. eBay case) and findings from literature/articles. To understand the relationships between these terms‚ definition of each term should be illustrated. Firstly‚ business intelligence (BI) in most resource has been defined as a broad term that combines many tools and technologies‚ used to extract useful meaning of enterprise data in order to help
Premium Data mining
Data Mining DM Defined Is the analysis of (often large) observational data sets to find unsuspected relationships and to summarize the data in novel ways that are both understandable and useful to the data owner Process of analyzing data from different perspectives and summarizing it into useful information A class of database applications that look for hidden patterns in a group of data that can be used to predict future behavior. DM Defined The relationships and summaries derived
Premium Data mining Data Data management
Implementation 9 Testing 9 Maintenance 10 A Description Of The 3 Steps In Database Creation 11 (Including Conceptual‚ Logical‚ And Physical Data Modeling) 11 As It Relates To My Selected Database 14 Conceptual Model 14 Logical Model 14 The Entity Relationship (Phase 2) 15 The Logical Model and Normalization (Phase 3 IP) 16 Logical Data Model 17 Customer 17 Medications 18 Orders 18 Shipping 19 Medication_Items 19 Normalization to 3rd Normal Form 19 (Revised) 19 The
Premium Data modeling
any browser and on Windows platform. CHAPTER 2 SYSTEM ANALYSIS 2.1 INTRODUCTION Systems analysis is a process of collecting factual data‚ understand the processes involved‚ identifying problems and recommending feasible suggestions for improving the system functioning. This involves studying the business processes‚ gathering operational data‚ understand the information flow‚ finding out bottlenecks and evolving solutions for overcoming the weaknesses of the system so as to achieve the
Premium Database Unified Modeling Language SQL
Potential constraints on my logical data model Budget The budget can really alter the way the database ends up like‚ if the budget is really low then the database will not turn as good as if more money were spent on it. This can really change the database greatly and a knowledgeable amount of money needs to be put into any database for it to return satisfaction. Timescale If the client sets a time that the database needs to be finished by then the database may or may not need to be created fast
Premium SQL Data modeling Foreign key
Discussion Board 1 Research and describe 5 data collection techniques in your own words. Be sure to cite any sources you used in APA format. Answer the following questions: Why is the examination of collected data so important? How are statistics used in the field of criminal justice? There are so many ways to collect data that do not involve the common ways in a direct manner. We as individual people collect and store our memories in a few ways‚ and that is all data as well. Many people use their own
Premium Scientific method Research Data