sql not equal null code example

Example 1: sql not equal

<>	Not equal. Note: In some versions of SQL this operator may be written as !=

Example sql query:

1) Selecting groceries where price is not 20
SELECT * FROM Grocery WHERE Price <> 20;

Example 2: how to check if a column is null in sql

SELECT column_name FROM table_name 
WHERE column_name IS NULL;

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