Answer Posted / Jatin Goyal
In MySQL, NULL represents an unknown or unassigned value. It is not considered the same as 0 (zero) or empty string ("). To check for a NOT NULL condition in SQL, use IS NOT NULL.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Explain me is it possible to destroy a cookie?
Which variable declarations within a class is invalid in php?
What is difference between static and final in php?
How to create a web form?
Name and explain five of the PHP error constants?
What is the current stable version of php?
Write a program using while loop?
Tell me what kind of things have you done on the social side?
if you run the app program all vendor open items are cleared but is it possible to reverse the again again open items please tell me the answer
How to calculate the difference between two dates using php?
hello all, I need some sample placement papers in lion bridge.. can anyone help me?
What is the current stable version of php? What advance thing in php7?
What does $_files means?
List some features of php that are deprecated in php7?
How can we extract string "pcds.co.in" from a string "https://info@pcds.co.in" using regular expression of php? More on reg can you explain
