MySQL: partition

 

CREATE TABLE tr
(
  id        INT,
  name      VARCHAR(50),
  purchased DATE
)
PARTITION BY RANGE( YEAR(purchased) ) (
  PARTITION p0 VALUES LESS THAN (1990),
  PARTITION p1 VALUES LESS THAN (1995),
  PARTITION p2 VALUES LESS THAN (2000),
  PARTITION p3 VALUES LESS THAN (2005),
  PARTITION p4 VALUES LESS THAN (2010),
  PARTITION p5 VALUES LESS THAN (2015)
);

 

INSERT INTO tr
VALUES (1, 'desk organiser', '2003-10-15'),
       (2, 'alarm clock', '1997-11-05'),
       (3, 'chair', '2009-03-10'),
       (4, 'bookcase', '1989-01-10'),
       (5, 'exercise bike', '2014-05-09'),
       (6, 'sofa', '1987-06-05'),
       (7, 'espresso maker', '2011-11-22'),
       (8, 'aquarium', '1992-08-04'),
       (9, 'study desk', '2006-09-16'),
       (10, 'lava lamp', '1998-12-25');

 

 

ALTER TABLE tr DROP PARTITION p2