php - Run a scheduled SQL Query -

i have sql query want run multiple times day. want run automatically. many saying should utilize cron job using next code:

*/4 * * * * wget --spider file.php

it's want don't know run in php code.

if utilize windows : launch task scheduler command : taskschd.msc.

it gui, allow manage it, not complicated.

if utilize linux/unix : have utilize cron job.

in shell :

crontab -e

it launches vim editor, within write :

*/4 * * * * php /directory/to/your/file.php

*/4 * * * * wget http://your_server/file.php

for more info crontab, read links in comments of question or google it. ;)

php mysql sql scheduled-tasks

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