mysql null check code example

Example 1: mysql check if not null

SELECT * 
FROM table 
WHERE YourColumn IS NOT NULL;

Example 2: mysql where value is null

SELECT *
FROM contacts
WHERE last_name IS NULL;

Example 3: mysql select default if null

IFNULL(MAX(EMAIL), "[email protected]") as email

Example 4: check if value is null mysql

SELECT * from TABLE where CODE IS NULL OR CODE!='C'

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Sql Example

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