mysql>
mysql> SELECT CONCAT('Hello, ',USER( ),', welcome to MySQL!') AS greeting;
+------------------------------------------+
| greeting |
+------------------------------------------+
| Hello, root@localhost, welcome to MySQL! |
+------------------------------------------+
1 row in set (0.00 sec)
mysql>
mysql> CREATE TABLE mytable
-> (
-> name VARCHAR(20)
-> );
Query OK, 0 rows affected (0.00 sec)
mysql> INSERT INTO mytable (name)
-> VALUES
-> ('copper'),
-> ('gold'),
-> ('iron'),
-> ('lead'),
-> ('mercury'),
-> ('platinum'),
-> ('silver'),
-> ('tin')
-> ;
Query OK, 8 rows affected (0.00 sec)
Records: 8 Duplicates: 0 Warnings: 0
mysql>
mysql> SELECT * FROM mytable;
+----------+
| name |
+----------+
| copper |
| gold |
| iron |
| lead |
| mercury |
| platinum |
| silver |
| tin |
+----------+
8 rows in set (0.00 sec)
mysql>
mysql> SELECT CONCAT(name,' ends in "d":
'> ',IF(RIGHT(name,1)='d','YES','NO'))
-> AS 'ends in "d"?'
-> FROM mytable;
+--------------------------+
| ends in "d"? |
+--------------------------+
| copper ends in "d":
NO |
| gold ends in "d":
YES |
| iron ends in "d":
NO |
| lead ends in "d":
YES |
| mercury ends in "d":
NO |
| platinum ends in "d":
NO |
| silver ends in "d":
NO |
| tin ends in "d":
NO |
+--------------------------+
8 rows in set (0.00 sec)
mysql>
mysql> drop table mytable;
Query OK, 0 rows affected (0.00 sec)