I am often asked "What is the difference between performance load and stress testing?"
How to answer correctly on this question in job interview?

I have two following tables:

table1:

id name city subject

1 name1 city1 subject1
2 name2 city2 subject2
3 name3 city3 subject3
4 name4 city4 subject4
...

table2:

id name city subject

1 name1 city1 subject1
2 name2 city2 subject2
3 name3 city3 subject3
4 name4 city4 subject4
...

How to avoid duplication's when joining these 2 tables?

Does localization testing include verifying date & time format for different countries? Should we verify that date & time format is correct when changing language in the app?

I am testing a web form with text fields. I need to conduct security testing of this form but I have no idea about exact test cases I need to verify.
Can anyone help with that?

I am often asked "What is the difference between performance load and stress testing?"
How to answer correctly on this question in job interview?

Hi,
Its the first week of a new job. Recently I asked manager if they have any functional requirements documentation but he said they did not. How can I test a new developed feature with no functional requirements? Is it ok for companies? How often do you face such a problem on the projects?