mysql>
mysql>
mysql> CREATE TABLE CDs
-> (
-> CDID SMALLINT NOT NULL PRIMARY KEY,
-> CDName VARCHAR(50) NOT NULL,
-> InStock SMALLINT UNSIGNED NOT NULL,
-> Category VARCHAR(20)
-> );
mysql>
mysql> INSERT INTO CDs VALUES
-> (101, 'Xml', 10, 'Rock'),
-> (102, 'SQL', 17, 'Jazz'),
-> (103, 'MySQL', 9, 'Classical'),
-> (104, 'CSS', 24, NULL),
-> (105, 'Oracle', 2, 'Blues'),
-> (106, 'Data type', 12, 'Country'),
-> (107, 'Flash', 5, 'New Age'),
-> (108, 'Photoshop', 42, 'Classical'),
-> (109, 'MacBook', 20, 'Opera'),
-> (110, 'Notebook', 23, 'Country'),
-> (111, 'Pascal', 18, 'Jazz'),
-> (112, 'Ruby', 22, 'Blues'),
-> (113, 'C', 42, 'Blues');
mysql>
mysql>
mysql> CREATE TABLE CDs2
-> (
-> CDID SMALLINT NOT NULL PRIMARY KEY,
-> CDName VARCHAR(5) NOT NULL,
-> InStock SMALLINT UNSIGNED NOT NULL
-> )
-> SELECT CDID, CDName, InStock
-> FROM CDs
-> WHERE Category='Blues' OR Category='Jazz';
mysql>
mysql>
mysql> INSERT INTO CDs2
-> SELECT CDID, CDName, InStock FROM CDs
-> WHERE Category='Country' OR Category='Rock';
mysql>
mysql>
mysql>
mysql> REPLACE INTO CDs2
-> SELECT CDID, CDName, InStock
-> FROM CDs
-> WHERE Category='Country' OR Category='Rock';
Query OK, 3 rows affected, 2 warnings (0.00 sec)
Records: 3 Duplicates: 0 Warnings: 2
mysql>
mysql>
mysql>
mysql> drop table CDs;
Query OK, 0 rows affected (0.00 sec)
mysql> drop table CDs2;
Query OK, 0 rows affected (0.00 sec)
mysql>