php - delete string date in mysql -

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i have table on datebase: id, mark, date.

the date format this: dd.mm.yyyy (dd: 01-31, mm: 01-12, yyyy: 0000-9999)

i need write query mysql on php, delete line has difference between record , present time more 7 days. this:

    mysql_connect($this->hostname, $this->username, $this->password) or die('could not select database.');     mysql_select_db($this->dbname) or die(mysql_error());     $query = "delete result date-".date('d.m.y')">7";//?     mysql_query($query) or die(mysql_error());

how write correct query?

you can this:

delete result now()>`date` + interval 7 day

tip: not use function names , reserved words column or table names.

tip: not use mysql_* functions since officially deprecated


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