check if something is not null code example

Example 1: mysql check if not null

SELECT * 
FROM table 
WHERE YourColumn IS NOT NULL;

Example 2: javascript check if not null

//Even if the value is 0, this will execute. 

if (myVar !== null) {...}

//If you don't want it to execute when it's 0, then set it as

if (myVar) {...}

//This will return false if var value is 0.

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Javascript Example

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