Foreign Key
Foreign Key:
It is used mainly to create relationship between tables.
The foreign key (MentorID) in the Course table is to create a relationship with the Mentor table MentorID (primary key).
The foreign key (CourseID) in the Student table is to create a relationship with the Course table CourseID (primary key).
OWASP WebGoat 6 - Improper Error Handling - Fail Open Authentication Scheme
In this example, an error in the exception handling routine could allow anyone to login without the need to key in a password.
executing .jar file
to execute a .jar file.
make sure you have JDK in your machine then just issue
java -jar xxxx.jar
command
Entity Relationship Diagram - Many-to-Many relationship
If you have an ERD with a many-many relationship, something is wrong.
Break the many-many relationship up.
Refer to the diagram
the process of learning
your first server setup is always difficult.
the subsequent server setup will be easier.
this is the process of learning.
the subsequent server setup will be easier.
this is the process of learning.
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