misy 5335 Exam/ 93 Questions with Definitive Solutions/ .
6 views 0 purchase
Course
Misy 5335
Institution
Misy 5335
misy 5335 Exam/ 93 Questions with Definitive Solutions/ . Terms like:
Why Use a Database? - Answer: A database is used to help people keep track of things, and the most commonly used type of database is the relational database, although nonrelational databases (which are used extensively in onl...
misy 5335 Exam/ 93 Questions with Definitive
Solutions/ 2024-2025.
Why Use a Database? - Answer: A database is used to help people keep track of
things, and the most commonly used type of database is the relational database,
although nonrelational databases (which are used extensively in online
applications such as Facebook and Twitter) are now also widely used.
What are the Problems with Using Lists? - Answer: making changes to this list
causes ...modification problems.
Modification problem - Answer: A situation that exists when the storing of one
row in a table records facts about two themes or the deletion of a row removes
Page 1 of 15
, facts about two themes, or when a data change must be made in multiple rows
for consistency.
null values - Answer: means a missing value. Are always problematic and that we
want to avoid them whenever possible.
relational model - Answer: A data model in which data are stored in relations and
relationships between rows are represented by data values.
relational database - Answer: contains a collection of separate tables
table - Answer: holds data about one and only one theme in most circumstances.
row - Answer: has data about a particular occurrence or instance of the thing of
interest...A group of columns in a table. All the columns in a row pertain to the
same entity. Also known as tuple or record.
instance - Answer: A specific occurrence of an object of interest.
Record - Answer: (1) A group of fields pertaining to the same entity; used in file-
processing systems. (2) In the relational model, a synonym for row and tuple.
column - Answer: stores a characteristic common to all rows...A logical group of
bytes in a row of a relation or a table. The meaning of a column is the same for
every row of the relation, and represents an attribute of a relation.
Page 2 of 15
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 Pronurse1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
