/*
mysql> select * from Bird; +----------+-------+---------+------+------------+------------+ | name | owner | species | sex | birth | death | +----------+-------+---------+------+------------+------------+ | BlueBird | Joe | Car | f | 1999-03-30 | NULL | | RedBird | Yin | Bus | m | 1979-04-30 | 0000-00-00 | | RedBird | Yin | Bus | m | 1998-01-30 | NULL | +----------+-------+---------+------+------------+------------+ 3 rows in set (0.00 sec)
mysql> /*names beginning with 'b', use '^' to match the beginning of the name:*/
mysql> SELECT * FROM Bird WHERE name REGEXP '^B'; +----------+-------+---------+------+------------+-------+ | name | owner | species | sex | birth | death | +----------+-------+---------+------+------------+-------+ | BlueBird | Joe | Car | f | 1999-03-30 | NULL | +----------+-------+---------+------+------------+-------+ 1 row in set (0.02 sec)
*/ Drop table Bird;
CREATE TABLE Bird ( name VARCHAR(20), owner VARCHAR(20), species VARCHAR(20), sex CHAR(1), birth DATE, death DATE ); INSERT INTO Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL); INSERT INTO Bird VALUES ('RedBird','Yin','Bus','m','1979-04-30',1998-01-30); INSERT INTO Bird VALUES ('RedBird','Yin','Bus','m','1998-01-30',NULL); select * from Bird;
/*names beginning with 'b', use '^' to match the beginning of the name:*/
SELECT * FROM Bird WHERE name REGEXP '^B';
|