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MySQL

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MySQL ๋„›€๋ง : ZeroPage ๋‚ด๋ถ€— ๋‘—ˆœผ๋ฉฐ, MySQL˜ ™„ „•œ ๋„›€๋ง
MySQL „น˜๋ฉ”๋‰ด–ผ

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

1. ๋ฐ—… ๋ฐฉ๋ฒ•

ZeroPage Server˜ ๊ฒฝšฐ MySQL˜ ž๋ฃŒ  €žฅ ๋””๋ ‰† ๋ฆฌ๊ฐ€ ~cpp /var/lib/mysql ด๋ฏ€๋กœ •ด๋‹น ๋””๋ ‰† ๋ฆฌ ๋‚ด˜ ž๋ฃŒ๋ฅผ ๋ณต‚ฌ •˜๋Š” ๊ฒƒœผ๋กœ ๊ฐ€๋Šฅ•˜๋‹ค. ๋ณต‚ฌค‘ mysql„  •ง€ ‹œ‚ค๋Š” ๊ฒƒ„ ๊ถŒžฅ•œ๋‹ค.

๊ฐœธด ž‹ ˜ ž๋ฃŒ๋งŒ„ ๋ฐ—…•˜๊ธฐ๋ฅผ ›• ๋•Œ—๋Š” œ„— –ธ๊ธ‰๋œ ๋””๋ ‰† ๋ฆฌ—„œ ž‹ ˜ ๋ฐด„ฐ ๋ฒ ดŠค— •ด๋‹น•˜๋Š” ๋””๋ ‰† ๋ฆฌ๋ฅผ ๋ณต‚ฌ •˜๋Š” ๊ฒƒœผ๋กœ ๋ฐ—…ด ๊ฐ€๋Šฅ•˜๋‹ค.
-- ด๊‚ฌšฉž๊ฐ€ rootผ ๋•Œ๋งŒ ๋˜๋Š”๊•„๋‹Œ๊ฐ€š”? ๊ถŒ•œด —†๋Š”๊ธ๋กœ •Œ๊ณ žˆ๋Š”๋Ž… ^^ -jeppy
ฝ๊ธฐ ๊ฐ€๋Šฅ•˜๊ฒŒ •ด ๋†“๋Š”๋‹ค. ข‹€๊ฒƒ„ ง€ –ˆ๊ตฌ๋งŒ --ƒ๋ฏผ


~cpp 
ž‹ ˜ DB  „ฒด ๋ฐ—…•˜๊ธฐ
mysqldump -p•”˜ธ -u‚ฌšฉž --database DB๋ช… > mysqlbackup.sql

ผ๋ถ€ …Œด๋ธ”๋งŒ ๋ฐ—…•˜๊ธฐ
mysqldump -p•”˜ธ -u‚ฌšฉž DB๋ช… TABLE๋ช… > tablebackup.sql

๋ณต๊ตฌ
mysql -p•”˜ธ -u‚ฌšฉž --database db๋ช… < mysqlbackup.sql

2. ๊ฐœธ •”˜ธ ๋ณ€๊ฒฝ ๋ฐฉ๋ฒ• (  „ž๊ฐ€ •ˆ๋  ๊ฒฝšฐ ›„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€๋ฆฌž˜ ๊ฒฝšฐ

  • Database mysql˜ user …Œด๋ธ”„ ๋ณ€๊ฒฝ›„ ~cpp flush privileges๋ฅผ ˆ˜–‰•œ๋‹ค.
  • ค‘ง€ : myadmin shutdown -p
  • ‹œž‘ : safe_mysqld * MySQL/root•”˜ธ๋ถ„‹ค‹œ

4. DB๊ถŒ•œ ๊ด€๋ จ (๊ด€๋ฆฌž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. ๊ธฐƒ€ ˜๋ฌธ š”๊ตฌ ‚ฌ•ญ

  • ZeroPage šŒ› ƒ๋ฏผ(99,neocoin)—๊ฒŒ •ด ฃผ‹ญ‹œ˜ค.
  • œ„ šŒ›€ ZeroPage „œ๋ฒ„ ๊ด€๋ จ š”ฒญ๋งŒ ˜‘กฐ•  ˜๋ฌด๊ฐ€ žˆŠต๋‹ˆ๋‹ค.

6. Thread

~cpp 
mysql> select * from addressbook order by name asc;
+-----------+---------------+
| name      | phone         |
+-----------+---------------+
| ดฌ„    | 011-9143-8841 |
| ด๊ฒฝ•„    | 011-9364-7855 |
| žฅžฌ๋‹ˆ    | 016-9583-1017 |
| กฐˆœ˜~^^ | 011-9908-0299 |
| ๊น€˜˜ธ    | 011-9115-8338 |
| ๋ฐ•๊ฒฝˆ™    | 011-9808-5075 |
+-----------+---------------+
6 rows in set (0.00 sec)
žฌ๋‹ˆ๊ฐ€ ˜ค๋Š˜ ๋ฌผ–ด๋ณด๋Š”๋ฐ, ORDER BY name (ŠคŠธ๋ง) „ •˜๋Š”๋ฐ, ๊ฐ€๋‚˜๋‹คˆœœผ๋กœ  •๋ ฌด •ˆ๋œ๋‹ค๊ณ  •ด„œ.

˜น‹œ๋‚˜ •ด„œ ๋‹คŒ˜ ผ„ •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

›ง€  € ๋ฌธ œ๊ฐ€ •„๋‹๊นŒ •˜๋Š” ƒ๊ฐ„ •ด๋ณด๋Š”ค‘. (•„๋‹ˆ๋ฉด ๋‚ด๊ฐ€ ‚ฝˆค‘ธ๊ฐ๊ณ ;) --1002
•— ƒ„๋กœ ๋‚ฌ๋‹ค. ๋“œ๋ŽŒ ˜๋ฌธœผ๋กœ „น˜•œ ๋ถ€ž‘šฉด ๋‹ค๋“ค ˜–ด จš” ~ ™€~~;; ˜ค˜ธ †ตžฌ๋ผ ๋ชจ๋“ ๊ฒƒ€ ‹œ—˜๋๋‚˜๊ณ  ด๋ฃจ–ดˆ๊ฒƒด๋‹ˆ.. --neocoin

MySQL—„œ •œ๊ธ€ด ๋“ค–ด๊ฐ„ ๋ฌธž—ด„  œ๋Œ€๋กœ  •๋ ฌ•˜๋ ค๋ฉด char ƒ€ž…ด •„๋‹Œ char binary ƒ€ž…„ “ฐ๋ฉด ๋ฉ๋‹ˆ๋‹ค. •˜ง€๋งŒ ด๋ฏธ char ƒ€ž…œผ๋กœ ๋˜–ดžˆ๋‹ค๋ฉด ORDER BY BINARY •„๋“œ๋ช… „ ‚ฌšฉ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค. MySQL—„œ char ƒ€ž…€ ˆœˆ˜•œ •„Šค‚ค(0~127) ๊ฐ’—„œ๋งŒ  œ๋Œ€๋กœ ๋™ž‘•ฉ๋‹ˆ๋‹ค. ๋ฌผ๋ก  char ƒ€ž…„ “ด๋‹ค๊ณ  •ด„œ •œ๊ธ€ด  €žฅ๋˜ง€ •Š๊ฐ๋‚˜ •˜๋Š”๊•„๋‹ˆง€๋งŒ, ๊ฒ€ƒ‰ด๋‚˜  •๋ ฌ๋“—„œ  œ๋Œ€๋กœ ž‘๋™•˜ง€ •Š๋Š” ๊ฒฝšฐ๊ฐ€ žˆŠต๋‹ˆ๋‹ค. --ƒ๊ทœ
Thanks.~ --1002
ใ…Žใ…Ž ˜• ๊ณ ๋งˆ›Œš”~^^ --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•๊ฒฝˆ™    | 011-9808-5075 |
| ด๊ฒฝ•„    | 011-9364-7855 |
| ดฌ„    | 011-9143-8841 |
| žฅžฌ๋‹ˆ    | 016-9583-1017 |
| กฐˆœ˜~^^ | 011-9908-0299 |
+-----------+---------------+
6 rows in set (0.00 sec)

7. MySQL & Transaction

MySQL๊ณผ Transaction …Œด๋ธ” ƒ„‹œ InnoDB ๋‚˜ BSDDB ๋ฅผ ‚ฌšฉ•˜๋ฉด Transaction „ ดšฉ•  ˆ˜ žˆ๋‹ค. (InnoDB ถ”ฒœ)

8. MySQL Password •จˆ˜

MySQL —„œ ๋‹ค๋ฅธ ๋ฐด„ฐ๋ฒ ดŠค๋กœ ๋ฐด„ฐ๋ฅผ ˜ฎ๊ธธ ๊ฒฝšฐ ๊ธฐกด ๋ฐด„ค‘ ๋ฌธ œ๊ฐ€ ๋˜๋Š” ๊ฒƒด ๋ฐ”๋กœ ๋‚ดžฅ•จˆ˜ธ PASSWORD ๋ฅผ ดšฉ•ด„œ •”˜ธ™”๋ฅผ •œ ๋ถ€๋ถ„ด๋‹ค. ๋‹ค๋ฅธ ๋ฐด„ฐ๋ฒ ดŠค—„œ ด ๋ฐด„ฐ๋ฅผ “ธ ๋ฐฉ๋ฒ•ด —†๊ธฐ ๋•Œ๋ฌธด๋‹ค. ด ๊ฒฝšฐ, ๋กœง ๋‹จ—„œ MySQL˜ Password •จˆ˜๋ฅผ ๋Œ€‹  ๊ตฌ˜„•ดคŒœผ๋กœ„œ •ด๊ฒฐ„ •  ˆœ žˆ๋‹ค.


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

๋‹คŒ€ ž๋ฐ” & ŒŒดฌ ๋ฒ„ „(๊ทธ๋Œ€๋กœ ฌŒ…•œ ๊ฒƒ)
MySQL/PasswordFunctionInPython
MySQL/PasswordFunctionInJava

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


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