What are metadata?
11. Simply put, metadata is data about data. It is descriptive information about a particular data set, object, or resource, including how it is formatted, and when and by whom it was collected.
Explain why database design is important.
12. Database Design is the database structure that will be used as plan to store and manage data. If one were to have a database that did not have a structure to it, it would convelude data access, security access, and possibly other services involved with the database. It avoids redundant data.
What are the potential costs of implementing a database system?
13.
Who will implement it? Will the work be contracted out or will you employ people to do the work.
Hardware: You need something for it to live on. This could either be bought, or hired.
Maintenance: The system will at some point require updating - costs of this will need to be considered. There will also be essential maintenance from time to time although this may be covered under your contract if you get an external company to do it for you.
If you own the hardware then you will also have to consider staffing to do the maintenance part - does your team have the skills or do you need another.
Software: Lots of free software lots of expensive software - what are you going to use and whats best for the job.
Location: If you own everything where will it be physically located? Do you need a db on each continent or is one in your office enough?
Use examples to compare and contrast unstructured and structured data. Which type is more prevalent in a typical business environment? Unstructured data is basically raw data and structured data is clear defined data. Examples would be: Unstructured: Email, The Internet, etc. Structured data: phone numbers, databases, etc.
In a typical business environment, the data are