IS NULL Operator
- The IS NULL condition is used to filter and retrieve rows where a certain column has NULL values.
- The IS NULL operator returns true if the expression is null.
Syntax:
SELECT field1, field2,… FROM table_name WHERE field_name IS NULL;
MariaDB IS NULL Operator
In MariaDB, NULL represents an unknown value in a column. This is not the same as an empty or zero string. Instead, it means that the actual data value is not in the database. This is especially important when dealing with optional data fields or unknown information. In this article, we will understand how the IS NULL condition can be used to query data in MariaDB.
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