topical media & game development
basic-mysql-06-ch06-TryItOut.sql / sql
/* Chapter 6 - Try It Out sections */
/* Try It Out: Using UPDATE Statements to Modify Data in Joined Tables */
UPDATE DVDs, Studios
SET DVDs.StatID='s2'
WHERE DVDs.StudID=Studios.StudID
AND Studios.StudDescrip='Metro-Goldwyn-Mayer';
/*Try It Out: Using the <from join delete> Alternative to Delete Data from the DVDRentals Database*/
DELETE DVDs
FROM DVDs, Studios
WHERE DVDs.StudID=Studios.StudID
AND Studios.StudDescrip='New Line Cinema';
DELETE DVDs
FROM DVDs, Studios
WHERE DVDs.StudID=Studios.StudID
AND Studios.StudDescrip='Metro-Goldwyn-Mayer';
/* Using the <using join delete> Alternative to Delete Data from the DVDRentals Database */
DELETE FROM DVDs
USING DVDs, Studios
WHERE DVDs.StudID=Studios.StudID
AND Studios.StudDescrip='New Line Cinema';
DELETE FROM DVDs
USING DVDs, Studios
WHERE DVDs.StudID=Studios.StudID
AND Studios.StudDescrip='Metro-Goldwyn-Mayer';
(C) Æliens
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.