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MySQL

ZeroPage์—์„œ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š” ๋ฐ์ดํ„ฐ ๋ฒ ์ด์Šค
MySQL ๋„์›€๋ง : ZeroPage ๋‚ด๋ถ€์— ๋‘์—ˆ์œผ๋ฉฐ, MySQL์˜ ์™„์ „ํ•œ ๋„์›€๋ง
MySQL ์„ค์น˜๋ฉ”๋‰ด์–ผ

~cpp 
jdbc:mysql://localhost/database?user=user&password=xxx&useUnicode=true&characterEncoding=KSC5601

1. ๋ฐฑ์—… ๋ฐฉ๋ฒ•

ZeroPage Server์˜ ๊ฒฝ์šฐ MySQL์˜ ์ž๋ฃŒ ์ €์žฅ ๋””๋ ‰ํ† ๋ฆฌ๊ฐ€ ~cpp /var/lib/mysql ์ด๋ฏ€๋กœ ํ•ด๋‹น ๋””๋ ‰ํ† ๋ฆฌ ๋‚ด์˜ ์ž๋ฃŒ๋ฅผ ๋ณต์‚ฌ ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๊ฐ€๋Šฅํ•˜๋‹ค. ๋ณต์‚ฌ์ค‘ mysql์„ ์ •์ง€ ์‹œํ‚ค๋Š” ๊ฒƒ์„ ๊ถŒ์žฅํ•œ๋‹ค.

๊ฐœ์ธ์ด ์ž์‹ ์˜ ์ž๋ฃŒ๋งŒ์„ ๋ฐฑ์—…ํ•˜๊ธฐ๋ฅผ ์›ํ• ๋•Œ์—๋Š” ์œ„์— ์–ธ๊ธ‰๋œ ๋””๋ ‰ํ† ๋ฆฌ์—์„œ ์ž์‹ ์˜ ๋ฐ์ดํ„ฐ ๋ฒ ์ด์Šค์— ํ•ด๋‹นํ•˜๋Š” ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ๋ณต์‚ฌ ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ๋ฐฑ์—…์ด ๊ฐ€๋Šฅํ•˜๋‹ค.
-- ์ด๊ฑด ์‚ฌ์šฉ์ž๊ฐ€ root์ผ ๋•Œ๋งŒ ๋˜๋Š”๊ฑฐ ์•„๋‹Œ๊ฐ€์š”? ๊ถŒํ•œ์ด ์—†๋Š”๊ฑธ๋กœ ์•Œ๊ณ ์žˆ๋Š”๋Ž… ^^ -jeppy
์ฝ๊ธฐ ๊ฐ€๋Šฅํ•˜๊ฒŒ ํ•ด ๋†“๋Š”๋‹ค. ์ข‹์€๊ฒƒ์„ ์ง€์ ํ–ˆ๊ตฌ๋งŒ --์ƒ๋ฏผ


~cpp 
์ž์‹ ์˜ DB ์ „์ฒด ๋ฐฑ์—…ํ•˜๊ธฐ
mysqldump -p์•”ํ˜ธ -u์‚ฌ์šฉ์ž --database DB๋ช… > mysqlbackup.sql

์ผ๋ถ€ ํ…Œ์ด๋ธ”๋งŒ ๋ฐฑ์—…ํ•˜๊ธฐ
mysqldump -p์•”ํ˜ธ -u์‚ฌ์šฉ์ž DB๋ช… TABLE๋ช… > tablebackup.sql

๋ณต๊ตฌ
mysql -p์•”ํ˜ธ -u์‚ฌ์šฉ์ž --database db๋ช… < mysqlbackup.sql

2. ๊ฐœ์ธ ์•”ํ˜ธ ๋ณ€๊ฒฝ ๋ฐฉ๋ฒ• ( ์ „์ž๊ฐ€ ์•ˆ๋  ๊ฒฝ์šฐ ํ›„์ž๋กœ ๋ณ€๊ฒฝ)

  1. mysql> SET PASSWORD FOR ์ž์‹ ์•„์ด๋””@'%' = PASSWORD('๋ฐ”๊ฟ€ ์•”ํ˜ธ');
  2. mysql> SET PASSWORD FOR ์ž์‹ ์•„์ด๋””@'localhost' = PASSWORD('๋ฐ”๊ฟ€์•”ํ˜ธ');

3. ๊ด€๋ฆฌ์ž์˜ ๊ฒฝ์šฐ

  • Database mysql์˜ user ํ…Œ์ด๋ธ”์„ ๋ณ€๊ฒฝํ›„ ~cpp flush privileges๋ฅผ ์ˆ˜ํ–‰ํ•œ๋‹ค.
  • ์ค‘์ง€ : myadmin shutdown -p
  • ์‹œ์ž‘ : safe_mysqld * MySQL/root์•”ํ˜ธ๋ถ„์‹ค์‹œ

4. DB๊ถŒํ•œ ๊ด€๋ จ (๊ด€๋ฆฌ์ž์šฉ)

~cpp 
insert user values('localhost', 'jeppy', password('์•”ํ˜ธ'), 'y','y','y','y','y','y','y','y','y','y','y','y','y','y'); 
insert user values('%', 'jeppy', password('์•”ํ˜ธ'), 'y','y','y','y','y','y','y','y','y','y','y','y','y','y'); 

FLUSH PRIVILEGES; 

CREATE DATABASE jeppy;

REVOKE all PRIVILEGES on *.* from jeppy@'localhost'; 
REVOKE all PRIVILEGES on *.* from jeppy@'%'; 

FLUSH PRIVILEGES; 

GRANT all on jeppy.* to jeppy@'localhost'; 
GRANT all on jeppy.* to jeppy@'%'; 
FLUSH PRIVILEGES; 

5. ๊ธฐํƒ€ ์˜๋ฌธ ์š”๊ตฌ ์‚ฌํ•ญ

  • ZeroPage ํšŒ์› ์ƒ๋ฏผ(99,neocoin)์—๊ฒŒ ํ•ด ์ฃผ์‹ญ์‹œ์˜ค.
  • ์œ„ ํšŒ์›์€ ZeroPage ์„œ๋ฒ„ ๊ด€๋ จ ์š”์ฒญ๋งŒ ํ˜‘์กฐํ•  ์˜๋ฌด๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

6. Thread

~cpp 
mysql> select * from addressbook order by name asc;
+-----------+---------------+
| name      | phone         |
+-----------+---------------+
| ์ดํฌ์ง„    | 011-9143-8841 |
| ์ด๊ฒฝ์•„    | 011-9364-7855 |
| ์žฅ์žฌ๋‹ˆ    | 016-9583-1017 |
| ์กฐ์ˆœ์˜~^^ | 011-9908-0299 |
| ๊น€์˜ํ˜ธ    | 011-9115-8338 |
| ๋ฐ•๊ฒฝ์ˆ™    | 011-9808-5075 |
+-----------+---------------+
6 rows in set (0.00 sec)
์žฌ๋‹ˆ๊ฐ€ ์˜ค๋Š˜ ๋ฌผ์–ด๋ณด๋Š”๋ฐ, ORDER BY name (์ŠคํŠธ๋ง) ์„ ํ•˜๋Š”๋ฐ, ๊ฐ€๋‚˜๋‹ค์ˆœ์œผ๋กœ ์ •๋ ฌ์ด ์•ˆ๋œ๋‹ค๊ณ  ํ•ด์„œ.

ํ˜น์‹œ๋‚˜ ํ•ด์„œ ๋‹ค์Œ์˜ ์ผ์„ ํ•ด๋ดค๋Š”๋ฐ
~cpp 
mysql> select ('๊ฐ•' > '์ด');
+---------------+
| ('๊ฐ•' > '์ด') |
+---------------+
|             1 |
+---------------+
1 row in set (0.00 sec)

ํ˜„์žฌ MySQL status ๋ณด๋ฉด
~cpp 
Client characterset:    latin1
Server characterset:    latin1

์›ฌ์ง€ ์ € ๋ฌธ์ œ๊ฐ€ ์•„๋‹๊นŒ ํ•˜๋Š” ์ƒ๊ฐ์„ ํ•ด๋ณด๋Š”์ค‘. (์•„๋‹ˆ๋ฉด ๋‚ด๊ฐ€ ์‚ฝ์งˆ์ค‘์ธ๊ฑฐ๊ณ ;) --1002
์•— ํƒ„๋กœ ๋‚ฌ๋‹ค. ๋“œ๋ŽŒ ์˜๋ฌธ์œผ๋กœ ์„ค์น˜ํ•œ ๋ถ€์ž‘์šฉ์ด ๋‹ค๋“ค ์˜์–ด ์จ์š” ~ ์™€~~;; ์˜คํ˜ธ ํ†ต์žฌ๋ผ ๋ชจ๋“ ๊ฒƒ์€ ์‹œํ—˜๋๋‚˜๊ณ  ์ด๋ฃจ์–ด์งˆ๊ฒƒ์ด๋‹ˆ.. --neocoin

MySQL์—์„œ ํ•œ๊ธ€์ด ๋“ค์–ด๊ฐ„ ๋ฌธ์ž์—ด์„ ์ œ๋Œ€๋กœ ์ •๋ ฌํ•˜๋ ค๋ฉด char ํƒ€์ž…์ด ์•„๋‹Œ char binary ํƒ€์ž…์„ ์“ฐ๋ฉด ๋ฉ๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ์ด๋ฏธ char ํƒ€์ž…์œผ๋กœ ๋˜์–ด์žˆ๋‹ค๋ฉด ORDER BY BINARY ํ•„๋“œ๋ช… ์„ ์‚ฌ์šฉํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค. MySQL์—์„œ char ํƒ€์ž…์€ ์ˆœ์ˆ˜ํ•œ ์•„์Šคํ‚ค(0~127) ๊ฐ’์—์„œ๋งŒ ์ œ๋Œ€๋กœ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค. ๋ฌผ๋ก  char ํƒ€์ž…์„ ์“ด๋‹ค๊ณ  ํ•ด์„œ ํ•œ๊ธ€์ด ์ €์žฅ๋˜์ง€ ์•Š๊ฑฐ๋‚˜ ํ•˜๋Š”๊ฑด ์•„๋‹ˆ์ง€๋งŒ, ๊ฒ€์ƒ‰์ด๋‚˜ ์ •๋ ฌ๋“ฑ์—์„œ ์ œ๋Œ€๋กœ ์ž‘๋™ํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. --์ƒ๊ทœ
Thanks.~ --1002
ใ…Žใ…Ž ํ˜• ๊ณ ๋งˆ์›Œ์š”~^^ --์žฌ๋‹ˆ

~cpp 
mysql> desc addressbook; 
+-------+----------+------+-----+---------+-------+
| Field | Type     | Null | Key | Default | Extra |
+-------+----------+------+-----+---------+-------+
| name  | char(10) |      |     |         |       |  <-- name ์ด char ํƒ€์ž…์ž…๋‹ˆ๋‹ค.
| phone | char(15) |      |     |         |       |
+-------+----------+------+-----+---------+-------+
2 rows in set (0.00 sec)
~cpp 
mysql> select * from addressbook ORDER BY BINARY name;
+-----------+---------------+
| name      | phone         |
+-----------+---------------+
| ๊น€์˜ํ˜ธ    | 011-9115-8338 |
| ๋ฐ•๊ฒฝ์ˆ™    | 011-9808-5075 |
| ์ด๊ฒฝ์•„    | 011-9364-7855 |
| ์ดํฌ์ง„    | 011-9143-8841 |
| ์žฅ์žฌ๋‹ˆ    | 016-9583-1017 |
| ์กฐ์ˆœ์˜~^^ | 011-9908-0299 |
+-----------+---------------+
6 rows in set (0.00 sec)

7. MySQL & Transaction

MySQL๊ณผ Transaction ํ…Œ์ด๋ธ” ์ƒ์„ฑ์‹œ InnoDB ๋‚˜ BSDDB ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด Transaction ์„ ์ด์šฉํ•  ์ˆ˜ ์žˆ๋‹ค. (InnoDB ์ถ”์ฒœ)

8. MySQL Password ํ•จ์ˆ˜

MySQL ์—์„œ ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์˜ฎ๊ธธ ๊ฒฝ์šฐ ๊ธฐ์กด ๋ฐ์ดํ„ฐ์ค‘ ๋ฌธ์ œ๊ฐ€ ๋˜๋Š” ๊ฒƒ์ด ๋ฐ”๋กœ ๋‚ด์žฅํ•จ์ˆ˜์ธ PASSWORD ๋ฅผ ์ด์šฉํ•ด์„œ ์•”ํ˜ธํ™”๋ฅผ ํ•œ ๋ถ€๋ถ„์ด๋‹ค. ๋‹ค๋ฅธ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์—์„œ ์ด ๋ฐ์ดํ„ฐ๋ฅผ ์“ธ ๋ฐฉ๋ฒ•์ด ์—†๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. ์ด ๊ฒฝ์šฐ, ๋กœ์ง ๋‹จ์—์„œ MySQL์˜ Password ํ•จ์ˆ˜๋ฅผ ๋Œ€์‹  ๊ตฌํ˜„ํ•ด์คŒ์œผ๋กœ์„œ ํ•ด๊ฒฐ์„ ํ•  ์ˆœ ์žˆ๋‹ค.


๋‹จ, 3.23 ๋ฒ„์ „๋Œ€์—์„œ๋งŒ ๋™์ž‘ํ•จ. MySQL ์ด 4.1 ์ด ๋˜๋ฉด์„œ PASSWORD ํ•จ์ˆ˜์˜ ๊ตฌํ˜„์ด ๋ฐ”๋€Œ์—ˆ๋‹ค.

๋‹ค์Œ์€ ์ž๋ฐ” & ํŒŒ์ด์ฌ ๋ฒ„์ „(๊ทธ๋Œ€๋กœ ํฌํŒ…ํ•œ ๊ฒƒ)
MySQL/PasswordFunctionInPython
MySQL/PasswordFunctionInJava

์œ„์˜ PHP ๋ฒ„์ „์€ ์–ด๋–ป๊ฒŒ ๋งŒ๋“ค์—ˆ์„๊นŒ? ๋ฐ”๋กœ.. MySQL ์ฝ”๋“œ๋ฅผ ๋ณด๊ณ  ๋งŒ๋“ค์—ˆ๋‹ค๊ณ  ํ•œ๋‹ค.- UseTheSourceLuke --1002


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