Ask Dan! about DSS

Frequently Asked Questions about Decision Support Systems by Dan Power

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50 results for "database size"

Question	Category	Date
How can we provide Web access to a Data Warehouse and DSS database? Some database software directly supports Web access, with other database management systems (DBMSs) you will need to use an intermediary application p...	Data-driven DSS	Aug 06, 2005
What are the most common database design mistakes? by Daniel J. Power Editor, DSSResources.COM In a 2008 eWeek slide show, Brian Prince identified "The Most Common Database Design Mistakes." The l...	DSS Foundations	Aug 03, 2013
What is the difference between a DBMS and an RDBMS? by Daniel J. Power Editor, DSSResources.COM DBMS is an umbrella term for different types of database management system (DBMS) technologies. A rela...	DSS Foundations	Jan 02, 2017
What is the potential size of the NSEERS database? The U.S. Immigration and Naturalization Services (INS) is creating a number of very large databases to support a variety of operations and processes. ...	DSS Applications	Aug 07, 2005
When is a group DSS most appropriate? by Dan Power Editor, DSSResources.com Communications-driven and model-driven group decision support systems (GDSS) help people overcome group com...	DSS Foundations	Aug 11, 2010
What is a columnar database? by Daniel J. Power Editor, DSSResources.COM A columnar database stores data tables as sections of columns of data rather than as rows of data. Ch...	DSS Foundations	May 02, 2013
What are the origins of SIG DSS? by Dan Power Editor, DSSResources.com SIG DSS is the Special Interest Group about Decision Support and Analytical Information Systems affiliated ...	AIS SIG DSS	Feb 13, 2014
Is a Data Warehouse a DSS? What is a star schema? No, a data warehouse is not a Decision Support System. A data warehouse is however usually the "driver" and dominant component for a Data-dr...	Data-driven DSS	Aug 06, 2005
What is an enterprise-class translytical database? by Daniel J. Power and Ciara Heavin Translytical is a portmanteau word, in that parts of the words transaction and analytical are combined to form...	DSS Foundations	Oct 02, 2017
What is the scope of database administration? by Daniel J. Power Editor, DSSResources.COM Databases are central to transaction processing and decision support. Database administration is a com...	DSS Foundations	Nov 12, 2014
What is a flat data file? by Daniel J. Power Editor, DSSResources.com Data is stored in a number of formats. In the early years of computing, data was stored and retrieve...	DSS Foundations	Jul 10, 2017
Why do organizations need databases? by Dan Power Editor, DSSResources.com A data base or database is an organized collection of data. Data is stored and it continues and persists. ...	DSS Foundations	Jun 12, 2016
What are key database concepts for managers? by Dan Power Editor, DSSResources.com Managers need a basic understanding of computerized databases. Why? Because database systems provide the ke...	DSS Foundations	Jan 01, 2011
What is ETL software and how is it related to DSS? Data warehousing practitioners have all experienced the frustration of creating a large data store from existing operating data bases built using a va...	Data-driven DSS	Aug 06, 2005
What is a database? by Dan Power Editor, DSSResources.com Database is a fundamental concept for information technology professionals. While some lay people have an ...	DSS Foundations	Jul 09, 2017
What are the key tasks of a database administrator? by Daniel J. Power Editor, DSSResources.COM Managing data is very important for creating data-driven decision support applications and for specia...	DSS Foundations	Jun 30, 2014
How does decision support processing differ from transaction processing? by Dan Power Editor, DSSResources.com Information systems can be categorized in many ways, but historically business information systems began a...	Building DSS	Jan 04, 2014
What is the difference between a DSS and a DSS generator? This Ask Dan! expands upon the question "What is a DSS?" from September 12, 2004. John Wen had asked on the Free DSS Forum at DSSResources.C...	Building DSS	Aug 06, 2005
What factors impact decision support project implementation risk? by Dan Power Editor, DSSResources.com Managers should contemplate a wide range of decision support projects. Perhaps an enterprise-wide, data wa...	Evaluating DSS Projects	Aug 15, 2008
What do I need to know about Data Warehousing/OLAP? by Daniel J. Power Editor, DSSResources.COM A data warehouse is a central, integrated repository for historical, enterprise data from multiple bus...	Data-driven DSS	Oct 12, 2014
When should managers use communications-driven decision support tools? by Dan Power Editor, DSSResources.com Communications-driven decision support systems can remedy a number of problems associated with group commun...	Communications-driven DSS	Sep 15, 2009
What are some examples of web-based DSS? Most people who read about decision support systems want to try one. This is understandable given the promise associated with an information system th...	DSS Applications	Aug 07, 2005
What Data Warehouse software and configurations are used in universities? The best source for finding information on this topic is on the Higher Education Data Warehouse Configurations page at http://www.georgetown.edu/users...	Data-driven DSS	Aug 06, 2005
Does data modeling differ for a data-driven DSS? by Daniel J. Power Editor, DSSResources.COM Creating a data model is usually the beginning of a process to develop an information system linked to...	Data-driven DSS	Aug 29, 2015
Is ETL software needed to build a model-driven DSS? by Daniel J. Power Editor, DSSResources.COM ETL refers to software used in the process of extracting data from a data source, transforming or alt...	Model-driven DSS	Apr 15, 2017
Is it feasible to track all visitors to the United States and then build a Data-driven DSS? In response to the September 11, 2001 World Trade Center and Pentagon attack, the U.S. Congress required Attorney General John Ashcroft and the U.S. I...	DSS Applications	Aug 07, 2005
Is Amazon Web Services a 'good fit' for decision support and OLTP? by Daniel J. Power Editor, DSSResources.COM Amazon Web Services (AWS) hosts many popular Web applications including: Instagram, Vine, IFTTT, Netf...	DSS Foundations	Aug 25, 2013
What is a good replacement for models built using IFPS? On December 5, 2000, Hubert Deneault, Hydro-Quebec, wrote "First, I want to thank you for offering a service like DSSResources.com. It is very he...	Model-driven DSS	Aug 07, 2005
What is the theory of relational databases? by Dan Power Editor, DSSResources.com Relational databases organize data elements in clusters that are meaningful to users and useful for perform...	DSS Foundations	Apr 11, 2010
What vendors dominate the DSS product space? In terms of Ask Dan! email, questions about DSS software and DSS vendors ranks near the top. What DSS product is best? What is the largest DSS softwar...	Evaluating DSS Projects	Aug 07, 2005
Where can I find information about KPIs for building DSS in different industries? The topic of identifying KPIs or Key Performance Indicators is a major issue in developing Executive Information Systems, Balanced Scorecard Systems a...	Data-driven DSS	Aug 06, 2005
What are the "hot" DSS research topics? Academic research in the U.S. often seems as susceptible to trends and "hot" topics as other segments of our culture. For the past 10 years ...	Evaluating DSS Projects	Aug 07, 2005
How will decision support technologies shape our global society? by Daniel J. Power Editor, DSSResources.COM Change is definitely occurring in our global society. Some changes are minor and seemingly insignific...	DSS Foundations	Aug 04, 2013
How can and should students collect field information about DSS? At least half of the Ask Dan! email questions come from students studying Decision Support Systems in an undergraduate or graduate academic program. R...	Building DSS	Aug 16, 2005
What is a document database? by Dan Power Editor, DSSResources.com Increasingly unstructured or semi-structured documents are the drivers of new, novel decision support syst...	DSS Foundations	Nov 26, 2011
What is a data modeler? by Daniel J. Power Editor, DSSResources.COM In the era of rapidly expanding, diverse data, someone needs to identify patterns and regularities in...	DSS Foundations	Sep 21, 2015
What are examples of routine decision support queries? by Dan Power Editor, DSSResources.com In the mid-1980s, the introduction of powerful relational database management systems (RDBMS) like Oracle ...	DSS Foundations	Jul 22, 2009
What criteria should be used for evaluating proposed plans? In the process of developing plans and alternative courses of action (COA), multiple criteria or factors should be used to determine the validity of e...	DSS Theory	Aug 16, 2005
What is the job of a datawarehouse administrator? by Daniel J. Power Editor, DSSResources.COM The Data Warehouse Administrator supports the ongoing development and maintenance of data warehousing ...	DSS Foundations	Oct 25, 2018
Is parallel database technology needed for data-driven DSS? by Dan Power Editor, DSSResources.COM Few managers have heard of parallel computer processing and parallel databases. Nonetheless the desire of ...	Data-driven DSS	Mar 02, 2007
How does edge computing impact decision support? by Daniel J. Power Editor, DSSResources.COM Edge computing means more data for predictive analytics and model-driven decision support can be proc...	DSS Foundations	Feb 10, 2019
Can DSS/IS/IT improve the Incident Command System? What needs can DSS meet? YES. Readers may recall my initial discussion of computerized decision support in crisis/emergency situations (DSS News, 08/31/2003). That Ask Dan! ...	Crisis Management	Aug 16, 2005
What are post-relational databases? by Daniel Power Editor, DSSResources.com Post-relational or non-relational databases implement a conceptual schema using a non-relational data mo...	DSS Foundations	Aug 20, 2016
What are the main differences between GDSS and Groupware? Definition questions like this one are common in my email and on the DSSResources.COM Bulletin Board. Emma Gilmartin posted the above question on May ...	Group DSS	Aug 06, 2005
What is the evolution of decision support and analytics architectures? by Daniel J. Power Editor, DSSResources.COM During the past 70 years as new computing technologies have been developed, the computing architectur...	DSS Foundations	Dec 05, 2018
How does the Facebook database operate? by Daniel J. Power Editor, DSSResources.COM In March 2013, Facebook, the social networking megaplatform, reported it had 1.11 billion active user...	DSS Foundations	Aug 24, 2013
What are the similarities and differences between Data-Driven and Document-Driven DSS? Document-Driven DSS is a relatively new category of Decision Support. There are certainly similarities to the more familiar Data-Driven DSS, but there...	Document-driven DSS	Aug 06, 2005
What are characteristics of a 'good' data scientist? by Daniel J. Power Editor, DSSResources.COM Understanding the characteristics of a good data scientist helps write a job description and then eva...	DSS Foundations	May 10, 2014
What is a Planning Support System? by Dan Power Editor, DSSResources.com Reading the trade press, academic articles and web sites forces those of us interested in computerized supp...	DSS Foundations	Aug 06, 2005
What is real-time decision support? The question of "real-time" decision support has been addressed in articles and books for almost 30 years, but as computing, sensor, and net...	Building DSS	Aug 06, 2005

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