How does Mysql determine if a field value is empty?

2 years ago

Benjamin Taylor

1 minute

In MySQL, you can use the IS NULL and IS NOT NULL operators to check if a field value is empty.

For example, if there is a field named column_name, you can use the following statement to check if its value is empty:

Retrieve all records from the table where the specified column is empty.

This will return all records where the column_name field is empty.

Alternatively, you can use the following statement to check if the field value is not empty:

Retrieve all records from the table where the specified column does not have a null value.

This will return all records where the column_name field is not empty.