mysql> CREATE TABLE Topic( -> TopicID SMALLINT NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Name VARCHAR(50) NOT NULL, -> InStock SMALLINT UNSIGNED NOT NULL, -> OnOrder SMALLINT UNSIGNED NOT NULL, -> Reserved SMALLINT UNSIGNED NOT NULL, -> Department ENUM('Classical', 'Popular') NOT NULL, -> Category VARCHAR(20) NOT NULL, -> RowUpdate TIMESTAMP NOT NULL -> ); Query OK, 0 rows affected (0.02 sec)
mysql> mysql> mysql> INSERT INTO Topic (Name, InStock, OnOrder, Reserved, Department, Category) VALUES -> ('Java', 10, 5, 3, 'Popular', 'Rock'), -> ('JavaScript', 10, 5, 3, 'Classical', 'Opera'), -> ('C Sharp', 17, 4, 1, 'Popular', 'Jazz'), -> ('C', 9, 4, 2, 'Classical', 'Dance'), -> ('C++', 24, 2, 5, 'Classical', 'General'), -> ('Perl', 16, 6, 8, 'Classical', 'Vocal'), -> ('Python', 2, 25, 6, 'Popular', 'Blues'), -> ('Php', 32, 3, 10, 'Popular', 'Jazz'), -> ('ASP.net', 12, 15, 13, 'Popular', 'Country'), -> ('VB.net', 5, 20, 10, 'Popular', 'New Age'), -> ('VC.net', 24, 11, 14, 'Popular', 'New Age'), -> ('UML', 42, 17, 17, 'Classical', 'General'), -> ('www.navioo.com',25, 44, 28, 'Classical', 'Dance'), -> ('Oracle', 32, 15, 12, 'Classical', 'General'), -> ('Pl/SQL', 20, 10, 5, 'Classical', 'Opera'), -> ('Sql Server', 23, 12, 8, 'Classical', 'General'); Query OK, 16 rows affected (0.01 sec) Records: 16 Duplicates: 0 Warnings: 0
mysql> mysql> select * from Topic; +---------+----------------+---------+---------+----------+------------+----------+---------------------+ | TopicID | Name | InStock | OnOrder | Reserved | Department | Category | RowUpdate | +---------+----------------+---------+---------+----------+------------+----------+---------------------+ | 1 | Java | 10 | 5 | 3 | Popular | Rock | 2007-07-23 19:09:46 | | 2 | JavaScript | 10 | 5 | 3 | Classical | Opera | 2007-07-23 19:09:46 | | 3 | C Sharp | 17 | 4 | 1 | Popular | Jazz | 2007-07-23 19:09:46 | | 4 | C | 9 | 4 | 2 | Classical | Dance | 2007-07-23 19:09:46 | | 5 | C++ | 24 | 2 | 5 | Classical | General | 2007-07-23 19:09:46 | | 6 | Perl | 16 | 6 | 8 | Classical | Vocal | 2007-07-23 19:09:46 | | 7 | Python | 2 | 25 | 6 | Popular | Blues | 2007-07-23 19:09:46 | | 8 | Php | 32 | 3 | 10 | Popular | Jazz | 2007-07-23 19:09:46 | | 9 | ASP.net | 12 | 15 | 13 | Popular | Country | 2007-07-23 19:09:46 | | 10 | VB.net | 5 | 20 | 10 | Popular | New Age | 2007-07-23 19:09:46 | | 11 | VC.net | 24 | 11 | 14 | Popular | New Age | 2007-07-23 19:09:46 | | 12 | UML | 42 | 17 | 17 | Classical | General | 2007-07-23 19:09:46 | | 13 | www.navioo.com | 25 | 44 | 28 | Classical | Dance | 2007-07-23 19:09:46 | | 14 | Oracle | 32 | 15 | 12 | Classical | General | 2007-07-23 19:09:46 | | 15 | Pl/SQL | 20 | 10 | 5 | Classical | Opera | 2007-07-23 19:09:46 | | 16 | Sql Server | 23 | 12 | 8 | Classical | General | 2007-07-23 19:09:46 | +---------+----------------+---------+---------+----------+------------+----------+---------------------+ 16 rows in set (0.00 sec)
mysql> mysql> SELECT Name, Department, Category -> FROM Topic -> WHERE Category IS NULL -> ORDER BY Name; Empty set (0.00 sec)
mysql> mysql> drop table Topic; Query OK, 0 rows affected (0.00 sec)
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