How to SELECT non-null values in MySQL
When working with MySQL, it's often necessary to select only non-null values from a table. This can be achieved using the
IS NOT NULL operator in a
Using IS NOT NULL
The syntax for selecting non-null values using
IS NOT NULL is as follows:
WHERE column_name IS NOT NULL;
column_name(s) with the name of the column or columns you want to select from, and
table_name with the name of the table you want to select from.
For example, if you have a table named
customers with columns named
phone, and you want to select all rows where the
phone column is not null, the query would look like this:
SELECT name, email, phone
WHERE phone IS NOT NULL;
This will return all rows where the
phone column has a non-null value.
IS NOT NULL operator is a simple and effective way to select non-null values in MySQL. By including this operator in your
SELECT statements, you can quickly and easily filter out any rows with null values and focus on the data that you need.