Exam (elaborations)
Chapter 1 - MISY 5300 Questions and Answers
- Course
- Institution
Chapter 1 - MISY 5300
[Show more]
Content preview
Chapter 1 - MISY 5300Algorithm - answer is a set of rules, calculations, and assumptions used to solve a
problem
Attribute - answer is a characteristic or property of an entity. For the entity employee, for
example, attributes might include such characteristics as first and last name, employee
number, and date of hire. seen as a column in an entity table
Big Data - answer the large volume of data produced by every digital process, system,
sensor, mobile device, and even social media exchange. to extract meaningful data
from big data, need optimal processing power, analytics capabilities, and up-to-date
technical skills. Data can be structured, unstructured or a combo of both
Column - answer also called a field or attribute
data analyst - answer use tools and algorithms to mine a database for answers,
information, trends, and insights.
data file - answerA spreadsheet that is used to store data, typically stores data as one
large table
data independence - answera quality that allows you to change the structure of a
database without requiring major changes to the programs that access the database
data redundancy - answerthe duplication of data, or the storing of the same data in
more than one place. Can lead to a higher frequency of data errors and inconsistencies,
which can lead to poorer decision making. one problem that employees have with the
project estimates spreadsheet
data security - answeris protection of data from threats and includes preventing
unauthorized access to the database, encrypting data as it travels through a network,
protecting against data corruption, and protecting against all other electronic and
physical attacks to the data.
database - answera collection of data organized in a manner that allows access,
retrieval, and use of that data.
database administrator (DBA) - answera person or group should be in charge of the
database, especially if the database will serve many users.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81989 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now