This topic contains a solution. Click here to go to the answer

Author Question: How are entity classes drawn in UML-style E-R diagrams? What will be an ideal ... (Read 81 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
How are entity classes drawn in UML-style E-R diagrams?
 
  What will be an ideal response?

Question 2

The first step in using a JDBC driver is to ________.
 
  A) establish a connection to the database
  B) load the driver
  C) create a statement
  D) call the DriverManager object



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Answer to Question 1

UML-style E-R diagrams draw an entity as a vertical rectangle with three segments. The top segment shows the name of the entity, entity persistence and class attributes (if any). The second segment holds the entity attribute names, and the third segment documents OOP constraints and methods that belong to the entity. Public, Protected, Private attributes and methods are preceded by +., -, respectively.

Answer to Question 2

B




javimendoza7

  • Sr. Member
  • ****
  • Posts: 293

 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

For a complete list of videos, visit our video library