You can show the null values which represent the concept of missing or inapplicable information, with other values for better data representation.
Suppose we have a table as below:
Name | Country |
John | India |
Jane | Australia |
Tim | [NULL] |
So if you query from the database the null result will show the blank result.
SELECT name, IF(country IS NULL,"No Country",country) country FROM users;
Name | Country |
John | India |
Jane | Australia |
Tim | No Country |
MySQL also handles the null values directly using IFNULL function.
SELECT name, IFNULL(country,"No Country") country FROM users;
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