IS NULL equivalent in PostgreSQL?

Is NULL equal to NULL in PostgreSQL?

In PostgreSQL, NULL means no value. In other words, the NULL column does not have any value. It does not equal 0, empty string, or spaces. The NULL value cannot be tested using any equality operator like “=” “!=

Is NULL statement in PostgreSQL?

The PostgreSQL IS NULL condition is used to test for a NULL value in a SELECT, INSERT, UPDATE, or DELETE statement.

Is empty in PostgreSQL?

Oracle reads empty strings as NULLs, while PostgreSQL treats them as empty.

IS NOT NULL operator in PostgreSQL?

Here is an example of how to use the PostgreSQL IS NOT NULL condition in a SELECT statement: SELECT * FROM employees WHERE first_name IS NOT NULL; This PostgreSQL IS NOT NULL example will return all records from the employees table where the first_name does not contain a null value.