ru compare the 2 null values?
Answers were Sorted based on User's Feedback
Answer / prathiba
U can compare the two null values, by using these operators
IS NULL: operator returns true of column value is NULL.
IS NOT NULL: operator returns true of column value is not
NULL.
<=> operator compare values, which (unlike the = operator)
is true even for two NULL values
Is This Answer Correct ? | 2 Yes | 1 No |
IMPOSSIBLE...!!!!
WE CAN'T COMPARE TWO NULL VALUES
COZ NULL MEANS "THE VALUE IS UNKNOWN";
SO WE CANT COMPARE THE UNKNOWN VALUES....
Is This Answer Correct ? | 0 Yes | 0 No |
Where’s database data actually stored?
What is default password for mysql?
Is mysql deprecated?
What are different TEXT data types in MySQL?
What is unique key in mysql?
I want to make a query where I want to eliminate the duplicate rows from the table. For example : Input : Table : NAME Column1 Column2 India USA USA India UK India India UK The desired output that I want to eliminate the duplicates Output India USA UK India Thanks
How to show certain selected rows with the value "pcds".
Why do you think it is advised to not to use guid and character columns as clustered index arrays?
How to Recover a MySQL root password. Stop the MySQL server process. Start again with no grant tables. Login to MySQL as root. Set new password. Exit MySQL and restart MySQL server.
Is mysql port 3306 tcp or udp?
explain GROUPBY & HAVING clause with examples.
What is different between sql and mysql?