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Re: DBI "drop table"

by DBAugie (Beadle)
on Apr 13, 2008 at 13:09 UTC ( #680077=note: print w/replies, xml ) Need Help??

in reply to DBI "drop table"

Preface: My expertise is limited to Oracle. This is not necessarily applicable to other RDBMS.

placeholders work in statements like SELECT, DELETE, or UPDATE. These types of statements are known as data modification language (DML). DML changes data inside an object.

drop table is part of the data definition language. DDL actually changes the objects themselves.

Traditionally, database engines do not tolerate variables in DDL. Oracle has an "execute immediate" statement to add this functionality.

Perhaps mySql has a similar statement?



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[dazz]: Hi I have grabbed an image from an IP camera with Image::Grab. I then want to pass that image object to a subroutine where I do a read-only test on the image with Image:Magick.
[dazz]: How do I pass an image object to a subroutine and then apply a Image::Magick a read-only method to the image object???

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