[g4_board_new] ƼŴ

Ҵ   
   ȸ 7371   õ 0    

- 년도를 기준으로 파티셔닝 (new 게시물 갯수가 많은 경우는 월별/일별로 파티셔닝)

 

1. g4_board_new 테이블의 record 갯수와 가장 오래된 dn_datetime을 확인

 

있는 날짜부터 파티셔닝을 하면 되니까...

 

2. table structure를 확인

 

primary key를 확인. 그누보드 기본은 bd_id 입니다.

 

3. bn_datetime을 primary key에 추가

 

파티셔닝의 기준이 되는 날짜가 primary key에 들어 있어야 합니다.

 

ALTER TABLE `g4_board_new` DROP PRIMARY KEY ,
ADD PRIMARY KEY ( `bn_id` , `bn_datetime` )

 

4. SQL script를 작성

 

ALTER TABLE g4_board_new
PARTITION BY RANGE ( TO_DAYS(bn_datetime) ) (
PARTITION new2007 VALUES LESS THAN (TO_DAYS('2008-01-01')),
PARTITION new2008 VALUES LESS THAN (TO_DAYS('2009-01-01')),
PARTITION new2009 VALUES LESS THAN (TO_DAYS('2010-01-01')),
PARTITION new2010 VALUES LESS THAN (TO_DAYS('2011-01-01')),
PARTITION new2011 VALUES LESS THAN (TO_DAYS('2012-01-01')),
PARTITION new2012 VALUES LESS THAN (TO_DAYS('2013-01-01')),
PARTITION new2013 VALUES LESS THAN (TO_DAYS('2014-01-01')),
PARTITION new2014 VALUES LESS THAN (TO_DAYS('2015-01-01')),
PARTITION new2015 VALUES LESS THAN (TO_DAYS('2016-01-01')),
PARTITION new2016 VALUES LESS THAN (TO_DAYS('2017-01-01')),
PARTITION new2017 VALUES LESS THAN (TO_DAYS('2018-01-01')),
PARTITION new2018 VALUES LESS THAN (TO_DAYS('2019-01-01')),
PARTITION new2019 VALUES LESS THAN (TO_DAYS('2020-01-01')),
PARTITION new2020 VALUES LESS THAN (TO_DAYS('2021-01-01')),
PARTITION new2021 VALUES LESS THAN (TO_DAYS('2022-01-01')),
PARTITION new2022 VALUES LESS THAN (TO_DAYS('2023-01-01')),
PARTITION new2023 VALUES LESS THAN (TO_DAYS('2024-01-01')),
PARTITION new2024 VALUES LESS THAN (TO_DAYS('2025-01-01')),
PARTITION new2025 VALUES LESS THAN (TO_DAYS('2026-01-01')),
PARTITION new2026 VALUES LESS THAN (TO_DAYS('2027-01-01')),
PARTITION new2027 VALUES LESS THAN (TO_DAYS('2028-01-01')),
PARTITION new2028 VALUES LESS THAN (TO_DAYS('2029-01-01')),
PARTITION new2029 VALUES LESS THAN (TO_DAYS('2030-01-01')),
PARTITION new2030 VALUES LESS THAN (TO_DAYS('2031-01-01')),
PARTITION newmax VALUES LESS THAN MAXVALUE
); 

 

 

- opencode.co.kr -
Ҵ 2016-08
db stop , ߺ Խñ ų ֽϴ.
ð ɸ Ƿ (п ʺ) db ߴ ص帳ϴ.


Page 1/4
2011-01   16994   Ҵ
2008-04   15551   Ҵ
2010-04   14459   Ҵ
2016-08   7372   Ҵ
2016-08   6827   Ҵ
2016-08   6757   Ҵ
2016-08   51576   Ҵ
2015-10   8049   Ҵ
2014-02   12838   Ҵ
2014-02   12185   Ҵ
2014-02   11945   Ҵ
2013-06   13505   Ҵ
2013-05   15108   Ҵ
2013-05   13778   Ҵ
2013-01   16295   Ҵ
2011-12   18027   Ҵ
2011-12   14259   Ҵ
2011-09   15316   Ҵ
2011-09   13920   Ҵ
2011-06   13996   Ҵ
2011-01   13636   Ҵ
2011-01   16247   Ҵ
2011-01   16994   Ҵ