PHP is the most complex and most difficult to find is not the database additions and deletions

PHP is the most complex and most difficult to do is not database additions and deletions?
Just learned here, was stumped. The teacher said, PHP is the most difficult is the database this piece, any Web page can not be separated from additions and deletions, as long as the four-like program to write ripe, and what the Web page is not afraid of, to after the simple more, not ripe more knock several times, write a few times more ...
。。。 Hey, big head.
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I think it's hard to do a comprehensive project.

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