Ask Question
Computers and TechnologyComputers and Technology
4 April, 08:59

Which of the following is a true statement? Question 33 options: Data entities correspond to sources/sinks on a data flow diagram. An entity type is described many times in the data model. A data entity will have many possible instances. Verbs are used to name entity types. Relationships correspond to data flows on a data flow diagram.

+5
Answers (1)
  1. 4 April, 11:35
    0
    A data entity will have many possible instances.

    Explanation:

    A data model is the relative representation of data objects, showing the relationships between them as well as the rules guiding the relationships.

    The graphical representation of data model showing the data requirements of a database is Entity-Relationship Diagram (ERD).

    Components of ERD

    1. Entities: These refers to all the table that makes up a database. An specific example of an entity is called an Instance of an entity. E. g London, Moscow, Johannesburg, Lagos are all records in a table called location. This example shows that a data entity will have many possible instances.

    2. Attribute: This is the information needed to describe a particular table of database.

    3. Relationships: This shows how tables are linked together.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Which of the following is a true statement? Question 33 options: Data entities correspond to sources/sinks on a data flow diagram. An ...” in 📘 Computers and Technology if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Consider a system that supports the strategies of contiguous, linked, and indexed allocation. What criteria should be used in deciding which strategy is best utilized for a particular file?
Answers (1)
What is the amount of work you must input in order to move the stone?
Answers (1)
Calculate the performance of a processor taking into account stalls due to data cache and instruction cache misses. The data cache (for loads and stores) is the same as described previously and 30% of instructions are loads and stores.
Answers (1)
Which of the following describes the first step in establishing an encrypted session using a Data Encryption Standard (DES) key? A. Key clustering B. Key compression C. Key signing D. Key exchange
Answers (1)
If I want to add a new slide to my presentation, which option would I click on? A. design slide B. transition slide C. insert slide D. new slide
Answers (1)
New Questions in Computers and Technology
What will entering the formula = SUM (C5:C18) in cell C19 result in?
Answers (1)
What is an appropriate action when an email thread becomes long? Do not forward it Start a new email thread Include the message chain when changes are made throughout the thread Use the reply all feature to explain all the steps that happened in the
Answers (1)
In the state of Florida your first conviction for DUI can result in your vehicle being impounded for: A. 20 days B. 10 Days C. 5 Days D. 15 Days
Answers (1)
Write the definition of a class employee base on the modular specification:. A data member for Id of type int (private). A data member for EmpName of type string (private). A data member for Salary of type double (private).
Answers (1)
What target audience does your product serve?
Answers (1)
Home » Computers and Technology » Which of the following is a true statement? Question 33 options: Data entities correspond to sources/sinks on a data flow diagram. An entity type is described many times in the data model. A data entity will have many possible instances.
Sign Up Forgot Password?