Mega Code Archive
Concatenating Character Strings
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mysql>
CONCAT(s1, s2, ...) concatenates the given character strings into a single string.
mysql>
mysql>
mysql> CREATE TABLE publishers (
-> publID int(11) NOT NULL auto_increment,
-> publName varchar(60) collate latin1_german1_ci NOT NULL default '',
-> ts timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
-> PRIMARY KEY (publID),
-> KEY publName (publName)
-> ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_german1_ci;
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql>
mysql> INSERT INTO publishers VALUES (1,'A','2004-12-02 18:36:58'),
-> (2,'Apress','2004-12-02 18:36:58'),
-> (3,'New Riders','2004-12-02 18:36:58'),
-> (4,'O\'Reilly & Associates','2004-12-02 18:36:58'),
-> (5,'Hanser','2004-12-02 18:36:58');
Query OK, 5 rows affected (0.00 sec)
Records: 5 Duplicates: 0 Warnings: 0
mysql>
mysql>
mysql> SELECT CONCAT(publName, ' ', publName) FROM publishers;
+---------------------------------------------+
| CONCAT(publName, ' ', publName) |
+---------------------------------------------+
| A A |
| Apress Apress |
| Hanser Hanser |
| New Riders New Riders |
| O'Reilly & Associates O'Reilly & Associates |
+---------------------------------------------+
5 rows in set (0.00 sec)
mysql>
mysql>
mysql> drop table publishers;
Query OK, 0 rows affected (0.00 sec)
mysql>
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