Database Developer Question:
Download Questions PDF

Tell me what is the difference between NULL value, Zero, and Blank space?


As I mentioned earlier, Null value is field with no value which is different from zero value and blank space.
Null value is a field with no value.
Zero is a number
Blank space is the value we provide. The ASCII value of space is CHAR(32).

Download Database Developer Interview Questions And Answers PDF

Previous QuestionNext Question
Explain me what is the difference between Rename and Alias?Tell me what are the advantages of Views?