Slette "post" i database via knap?

For at udfylde felter:
INSERT INTO table_name (column1, column2,...)
VALUES (value1, value2,....)

For at opdatere:
UPDATE table_name
SET column_name = new_value
WHERE column_name = some_value

For at slette:
DELETE FROM table_name
WHERE column_name = some_value

Kommer her fra: http://www.w3schools.com/sql/default.asp

Right! Thx