Weekly Questions
se model.Week 7 Questions

1. List, describe, and provide an example of each of the five characteristics of high quality information.

2. Define the relationship between a database and a database m

4. Define the fundamental concepts of the relational databa
anagement system.

3. Describe the advantages an organisation can gain by using a database.

5. Describee benefit ths of a data-driven website.

6. Describe the roles and purposes of data warehouses and data marts in an organisation

Five characteristics of high quality information 

1) Accuracy

information should accurate, precise  all the times, for example information in banks database should always reflect correct bank balances

2)Completeness

Information on database should contain all the necessary details for decision makers to make decisions. 
for example costumer database should contain all the necessary information about a customer such as purchase pattens, credit history, contacts details, etc 


















3) Consistency

  Information should always be available in the same manner or order to avoid confusion.

                                                                                                                                                                                    

1. uniqueness

quality information system should contain information that is totally different from other organsations even in the same trade for example commonwealth bank website is totally different to NAB bank website

5)Timeliness

Information should be within a specified time frame for example having a date on a bank statement i vitally important

the relationship between a database and a database management system. 

Data base management system is the software through which applications interact with database. 

 

advantages an organization can gain by using a database includes:
data is easily accessible.
customers are grouped into segments.
centralized record keeping.
only required data can be accessed.

  Benefits of a data driven website

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—Development
—Content management
—Future expandability
—Minimising human error
—Cutting production and update costs
—More efficient
—Improved stability
—Real time info like stock levels & price changes
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