what is the difference between reference key and foreign key
- 2 Answers
- 6172 Views
- AZTEC, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / brijesh kumar mishra
Foreign key can hold null values but primary can not hold
null values
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / gurushant
Foreing key: Suppose two table student and class both having
primary key now if primary key of student in class table
then primary key which is now contain in class table after
relationship called as foreign key.
reference key: It gives the reference of other table.
| Is This Answer Correct ? | 0 Yes | 3 No |
How do you carry usability testing?
5 Answers ADITI, CTS, GrapeCity, Intel,
in compatability and installation testings ,which one is conducted or performed on an application initially
What do you mean by penetration testing? i go through' in some site, but i want in detailed . how we have to test by these type of testing. Will any one knows plz guide me. Thanks in advance
Why does user inter-operability testing present such a big challenge to the testing effort?
Which one is not tester responsibilities ? Option 1 Assure the process for contracting software is adequate Option 2 Review the adequacy of the contractors test plan Option 3 Perform acceptance testing on the software Option 4 Assure the ongoing operation and maintenance of the contracted software
What are the Major Functionality for a ATM machine ??
what is the difference between bug and defect? what is the definition of bug? what is the definition of defect?
How do you test the server response time? Do you use any tool? If so what tool? If not how can it be done manually?
What is Software Testing ?
Q-1 WHAT IS USE CASE? Q-2 Test cases cannot be developed with system users and designers as the use cases are being developed? true or false Q-3 WHAT ARE DIFFERENT TYPES OF INCREMENTAL TESTING? Q-4)The cost of fixing a fault a)not important b)increses the later fault is found c)decreses the later fault is found d)can never be determined
what is the difference between PEGA based web application testing versus web application testing?
What are the test methodologies??
Automation Testing 
