Concatenating Character Strings

       
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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Concatenating Character Strings : CONCAT « String « SQL / MySQL

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