Function for exact range

[eluser]Fantass[/eluser]
[quote author="CroNiX" date="1330063315"]

Code:

if ($input >= 20 AND $input <= 31) echo 'OK';

[/quote]
[quote author="pbflash" date="1330063452"]

Code:

if ($input >= 1 && $input <= 10)
{
  do something
}
else
{
  do something else
}

[/quote]

Thank yo guys now can yo help me how do this query into MySql?

THANKS ALOOOOOOOT