SQL AVG() to 2 decimals

php mysql average

PHP Snippet 1:

$sql3 = "SELECT ROUND(AVG(app_tests.test_resultPercent),2) FROM app_tests";

PHP Snippet 2:

echo "<h3>".$row3[0];

PHP Snippet 3:

SELECT cast(ROUND(AVG(app_tests.test_resultPercent),2) as numeric(19,2))

PHP Snippet 4:

$sql3 = "SELECT ROUND(AVG(app_tests.test_resultPercent), 2) FROM app_tests";