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Drop table Articles;
Drop table Authors;
Drop table AuthorArticle;
Drop table ArticleOrders;
CREATE TABLE Articles (
ArticleID SMALLINT NOT NULL PRIMARY KEY,
ArticleTitle VARCHAR(60) NOT NULL,
Copyright YEAR NOT NULL
)
ENGINE=INNODB;
INSERT INTO Articles VALUES (12786, 'How write a paper', 1934),
(13331, 'Publish a paper', 1919),
(14356, 'Sell a paper', 1966),
(15729, 'Buy a paper', 1932),
(16284, 'Conferences', 1996),
(17695, 'Journal', 1980),
(19264, 'Information', 1992),
(19354, 'AI', 1993);
CREATE TABLE Authors (
AuthID SMALLINT NOT NULL PRIMARY KEY,
AuthorFirstName VARCHAR(20),
AuthorMiddleName VARCHAR(20),
AuthorLastName VARCHAR(20)
)
ENGINE=INNODB;
INSERT INTO Authors VALUES (1006, 'Henry', 'S.', 'Thompson'),
(1007, 'Jason', 'Carol', 'Oak'),
(1008, 'James', NULL, 'Elk'),
(1009, 'Tom', 'M', 'Ride'),
(1010, 'Jack', 'K', 'Ken'),
(1011, 'Mary', 'G.', 'Lee'),
(1012, 'Annie', NULL, 'Peng'),
(1013, 'Alan', NULL, 'Wang'),
(1014, 'Nelson', NULL, 'Yin');
CREATE TABLE AuthorArticle (
AuthID SMALLINT NOT NULL,
ArticleID SMALLINT NOT NULL,
PRIMARY KEY (AuthID, ArticleID),
FOREIGN KEY (AuthID) REFERENCES Authors (AuthID),
FOREIGN KEY (ArticleID) REFERENCES Articles (ArticleID)
)
ENGINE=INNODB;
INSERT INTO AuthorArticle VALUES (1006, 14356),
(1008, 15729),
(1009, 12786),
(1010, 17695),
(1011, 15729),
(1012, 19264),
(1012, 19354),
(1014, 16284);
CREATE TABLE ArticleOrders
(
OrderID SMALLINT NOT NULL,
ArticleID SMALLINT NOT NULL,
Quantity SMALLINT NOT NULL,
PRIMARY KEY (OrderID, ArticleID),
FOREIGN KEY (ArticleID) REFERENCES Articles (ArticleID)
)
ENGINE=INNODB;
INSERT INTO ArticleOrders VALUES (101, 13331, 1),
(101, 12786, 1),
(101, 16284, 2),
(102, 19354, 1),
(102, 15729, 3),
(103, 12786, 2),
(103, 19264, 1),
(103, 13331, 1),
(103, 14356, 2),
(104, 19354, 1),
(105, 15729, 1),
(105, 14356, 2),
(106, 16284, 2),
(106, 13331, 1),
(107, 12786, 3),
(108, 19354, 1),
(108, 16284, 4),
(109, 15729, 1),
(110, 13331, 2),
(110, 12786, 2),
(110, 14356, 2),
(111, 14356, 2);
DELETE ab, b
FROM AuthorArticle AS ab, Articles AS b
WHERE ab.ArticleID=b.ArticleID
AND ab.AuthID=(SELECT AuthID FROM Authors WHERE AuthorLastName='Yin');
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