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ÀÚ ±×·³ Å×À̺íÀ» ¸¸µé¾î º¸ÁÒ...

´ëºÎºÐÀÇ datebaseµéÀº SQLÀ̶õ ¸í·É¾î¸¦ ½á¼­ ÀÛ¾÷À» ÇÏ°Ô µÇ´Âµ¥ ±âº»ÀûÀÎ ¸í·É¾îµéÀº ¸ðµÎ °°½À´Ï´Ù....

Å×À̺íÀ» ¸¸µå´Â ¸í·É¾î´Â create tableÀ̶óÁÒ....Çü½ÄÀº...¾Æ·¡¿Í °°½À´Ï´Ù.

CREATE TABLE Å×À̺íÀ̸§ (
À̸§ ÀÚ·áÇü(Å©±â)
À̸§ ÀÚ·áÇü(Å©±â)
.......
)

¿ì¸®°¡ ¸¸µé·Á°í Çß´ø ¸Þ¸ðÀå¿¡ µé¾î°¡´Â Ç׸ñÀº....
¹øÈ£//À̸§//³»¿ë//ÀÛ¼º½Ã°£//IP ¿´ÁÒ....À§ Äõ¸®¿¡ ´ëÀÔÇØ º¼±î¿ä?
Å×À̺í À̸§Àº exam_memoÀÌ°í °¢ Ç׸ñÀº ¿µ¾î·Î....
no//name//memo//date//ip ·Î ÇÏ°Ú½À´Ï´Ù....

CREATE TABLE exam_memo (
no ÀÚ·áÇü(Å©±â),
name ÀÚ·áÇü(Å©±â),
memo ÀÚ·áÇü(Å©±â),
date ÀÚ·áÇü(Å©±â),
ip ÀÚ·áÇü(Å©±â)
)

À§¿Í °°ÀÌ °¢ Ç׸ñÀº ,(½°Ç¥)·Î ±¸ºÐÇØÁÖ½Ã¸é µÇ°í¿ä....
¾ù....±Ùµ¥ ÀÚ·áÇü°ú Å©±â..´Â ´ëü ¹»±î¿ä...@_@;;;

°£´ÜÇÏ°Ô ¸»Çϸé.....ÀÔ·ÂÇÒ °ªÀÌ ¼ýÀÚ³Ä....¹®ÀÚ³Ä.... ¹¹ ÀÌ·±°Ì´Ï´Ù..
Å©±â´Â ¸îÀÚ¸® ¼ýÀÚ³Ä......¹®ÀÚ·Î ¸î±ÛÀÚ³Ä...ÀÌ·±°Å°ÚÁÒ....
¾Æ·¡ Á¤¸®µÈ ³»¿ëÀ» Âü°í Çϼ¼¿ä~~~


TINYINT
Á¤¼öÇü(-128~127) [UNSIGNED]-Á¤¼öÇü(0~255)

SMALLINT
Á¤¼öÇü(-32768~32767) [UNSIGNED]-Á¤¼öÇü(0~65535)

MEDIUMINT
Á¤¼öÇü(-8388606~8388607) [UNSIGNED]-Á¤¼öÇü(0~16777215)

INT
Á¤¼öÇü(-2147483648~2147483647) [UNSIGNED]-Á¤¼öÇü(0~4294967295)

INTEGER
INT¿Í µ¿ÀÏ

BIGINT
Á¤¼öÇü(-9223372036854775808~9223372036854775807) [UNSIGNED]-Á¤¼öÇü(0~18446744073709551615)

FLOAT(Á¤¹Ðµµ)
ºÎµ¿¼Ò¼öÁ¡½Ç¼ö

FLOAT(L, F)
´ÜÁ¤µµ ºÎµ¿¼Ò¼öÁ¡ ½Ç¼ö (-3.402823466E+38 ~ 1.175494351E-38, 0,1.175494351E-38 ~ 3.402823466E+38)

DOUBLE
¹èÁ¤µµ ºÎµ¿¼Ò¼öÁ¡ ½Ç¼ö (-1.7976931348623157E+308 ~ -2.2250738585072014E-308,0,2.2250738585072014E-308 ~ 1.7976931348623157E+308)

DECIMAL ºÎµ¿ ¼Ò¼öÁ¡ ½Ç¼ö CHAR ÇüÅ·Πµ¿ÀÛ

NUMERIC ECIMAL°ú µ¿ÀÏ

DATE ³¯Â¥Çü(1000-01-01 ~ 9999-12-31)

DATETIME ³¯Â¥¿Í ½Ã°£Çü(1000-01-01 00:00:00 ~ 9999-12-31 23:59:59)

TIMESTAMP ŸÀÓ½ºÅÛÇÁÇü(1970-01-01 ~ 2037³â ÀÓÀÇ ½Ã°£)

TIME
½Ã°£Çü(-838:59:59 ~ 838:59:59)

YEAR
³âµµÇü(1901 ~ 2155, 0000)

CHAR
°íÁ¤Æø ¹®ÀÚ¿­

VARCHAR
°¡º¯Æø ¹®ÀÚ¿­

TINYBLOB / TINYTEXT
BOLB, TEXTÇü, ÃÖ´ë±æÀÌ 255¹®ÀÚ

BLOB / TEXT
BOLB, TEXTÇü, ÃÖ´ë±æÀÌ 65535¹®ÀÚ

MEDIUMBLOB / MEDIUMTEXT
BOLB, TEXTÇü, ÃÖ´ë±æÀÌ 16777215¹®ÀÚ

LONGBLOB / LONGTEXT
BOLB, TEXTÇü, ÃÖ´ë±æÀÌ 4294967295¹®ÀÚ

ENUM
¹®ÀÚ¿­ ¸ñ·ÏÇü, ÃÖ´ë 65535°³, ÀúÀåµÈ ¹®ÀÚ¿­ ¸ñ·Ï Áß¿¡ ¿ÀÁ÷ ÇÑ°¡Áö¸¸ ¾òÀ» ¼ö ÀÖ½À´Ï´Ù.

SET
¹®ÀÚ¿­ ¸ñ·ÏÇü, ÃÖ´ë 64°³, ÀúÀåµÈ ¹®ÀÚ¿­ ¸ñ·Ï Áß¿¡ 0, 1°³ ÀÌ»óÀ» ¾òÀ» ¼ö ÀÖ½À´Ï´Ù


ÇíÇíÇí;;;
ÀÌ·¸°Ô ÀÚ·áÇüÀº ¸¹ÀÌ ÀÖ½À´Ï´Ù....±×Áß¿¡¼­ ¿ì¸®°¡ °ñ¶ó½á »ç¿ëÇؾßÁÒ..

ÀϹÝÀûÀ¸·Î °£´ÜÇÏ°Ô ¼¼°¡Áö¸¦ »ç¿ëÇÒ¼ö°¡ Àִµ¥.....
int¿Í varchar, ±×¸®°í textÀÔ´Ï´Ù.

int´Â Á¤¼öÇüÀ¸·Î ÃÖ´ëÅ©±â´Â 11ÀÌ°í int(11)À̶ó°í Çϸé 11ÀÚ¸® Á¤¼ö¸¦ ¶æÇϴ°ÅÁÒ...
varchar´Â ¹®ÀÚÇüÀ¸·Î ÃÖ´ë Å©±â´Â 255ÀÔ´Ï´Ù. varchar(255)¶ó°í Çϸé 255ÀÚ¸¦ ¶æÇÕ´Ï´Ù.
text´Â Å©±â¸¦ Á¤ÇØ ÁÖÁö ¾Ê°í ±×³É text¶ó°í Çϸç textarea¿¡¼­ ÀԷ¹ÞÀº °ªÀ» ³ÖÀ»¶§ »ç¿ëÇÏ½Ã¸é µË´Ï´Ù.....

±×·±µ¥ Àá±ñ char°ú varcharÀÇ Â÷À̸¦ ¤°í ³Ñ¾î°¡¸é...
char(50)À̶ó°í ÇÏ¸é ¹«Á¶°Ç 50ÀÚ°¡ µé¾î°¥ °ø°£À» ºñ¿ö ³õÁö¸¸....
varchar(50)À̶ó°í ÇÏ°í 20ÀÚ¸¦ Áý¾î ³ÖÀ¸¸é 20ÀÚ °ø°£¸¸ Â÷Áö ÇÑ´ä´Ï´Ù..
±×·¡¼­ ¿ë·®¸é¿¡¼­ varchar¸¦ »ç¿ëÇÏ´Â°Ô ÁÁ±ä ÇÏÁö¸¸.......
charÀÌ ´õ ¼Óµµ¿Í ¾ÈÁ¤¼º¸é¿¡¼­´Â ÁÁ´Ù°í ÇÏ´õ±º¿ä...@_@ ¾ÏÆ°¾Ë¾Æ¼­;;

ÀÚ ±×·³ Àú À§¿¡ Àú·¸°Ô ¸¹Àº ÀÚ·áÇü Áß¿¡¼­ ¿ì¸° µü µÎ°³¸¸ ¾²°Ú½À´Ï´Ù.
int¿Í varcharÀÔ´Ï´Ù.... ³Ö¾îº¼±î¿ä?

CREATE TABLE exam_memo (
no int(11),
name varchar(10),
memo varchar(50),
date int(11),
ip varchar(15)
)

no¸¦ int·Î ÇÑ°ÍÀº ¾îÂ¥ÇÇ ¹øÈ£´Â Á¤¼öÇüÀ̴ϱî¿ä....;;;
nameÀº ¹®ÀÚ¿­·Î 10±ÛÀÚ ±îÁö¸¸ Çß½À´Ï´Ù.
±×¸®°í memoµµ 50ÀÚ¸¸ ¹Þ½À´Ï´Ù.
±×·±µ¥ date¸¦ int·Î Ç߳׿ä.......¿ò;;;
ÀúÀ§¿¡ ÀÚ·áÇü¿¡ ³¯Â¥ÇüÀÌ ÀÖÁÒ;;;; ±×·±µ¥ ¿ì¸° PHP¸¦ ´õ ¹ÏÀ»·Æ´Ï´Ù;;
PHP¿¡¼­ À¯´Ð½ºÅ¸ÀÓ½ºÅÆÇÁ°ªÀ» ±â¾ïÇϽóª¿ä?
time()À¸·Î ¾Ë¾Æ³»´Â °ªÀÌÁÒ;;; ±× °ªÇϳª¸¸ ÀÖÀ¸¸é ³â¿ùÀϽúÐÃʸ¦ ÇѰŹø¿¡ ¾Ë¼ö ÀÖ½À´Ï´Ù.......±×·¡¼­ ±×³É date¿¡´Â ±× °ªÀ» Á¤¼öÇüÀ¸·Î Áý¾î ³Ö±â·Î ÇÑ°Í ÀÔ´Ï´Ù.
ip´Â ¹®ÀÚ¿­ 15ÀÚ Àε¥......000.000.000.000 ÀÌ·¸°Ô ip´Â 15ÀÚ ¶óÁÒ;;;

ÀÚ ±×´ÙÀ½Àº....primary key¸¦ Á¤ÇØÁà¾ß ÇÕ´Ï´Ù.....
¿ì¸®°¡ Á¤ÇÑ primary key´Â ¹¹¿´ÁÒ?......¿½;;; noÀÔ´Ï´Ù....
±×·³ ¾Æ·¡¿Í °°ÀÌ....ÇØÁÝ´Ï´Ù..

CREATE TABLE exam_memo (
no int(11) primary key,
name varchar(10),
memo varchar(50),
date int(11),
ip varchar(15)
)

no¸¦ primary key·Î ÇØÁáÁÒ?.......

CREATE TABLE exam_memo (
no int(11) DEFAULT '0' primary key,
name varchar(10),
memo varchar(50),
date int(11),
ip varchar(15)
)

À̹ø¿£ default°ªÀ» Áá½À´Ï´Ù. ±âº»°ªÀ¸·Î 0À» ÁØ°ÅÁÒ;;;
±×¸®°í ÀÌ·¸°Ôµµ Çغ¼±î¿ä?

CREATE TABLE exam_memo (
no int(11) DEFAULT '0' NOT NULL auto_increment
primary key,
name varchar(10),
memo varchar(50),
date int(11),
ip varchar(15)
)

noÁÙÀ» º¸¸é...default°ªÀ¸·Î 0À» ÁÖ°í not nullÀ̶ó°í Çß½À´Ï´Ù.
±âº»À¸·Î 0À̶õ °ªÀ» °®°í ºñ¾îÀÖ´Â °ªÀº ¾Æ´Ï¶ó´Â°ÅÁÒ...
±×¸®°í auto_increment ¶ó´Â°ÍÀº ÀÚµ¿À¸·Î Áõ°¡ ÇÑ´Ù´Â °Ì´Ï´Ù...

ÀÚ ±âº»°ªÀÌ 0À̾úÁÒ....±×·³ ÃÖÃÊ¿¡ µ¥ÀÌÅÍ°¡ µé¾î¿À¸é no´Â 1ÀÌ µË´Ï´Ù... ¿Ö³Ä¸é ±âº»ÀÌ 0¿¡´Ù°¡ auto_incrementÀ̱⠶§¹®¿¡ +1ÀÌ µÇ´Â°ÅÁÒ....±×´ÙÀ½¿¡ ¶Ç µ¥ÀÌÅÍ°¡ µé¾î¿À¸é 2°¡ µÇ°ÚÁÒ?.......¿Ö³Ä¸é;;; auto_incrementÀ̴ϱî¿ä......ÀÚµ¿À¸·Î +1ÀÌ °è¼Ó µË´Ï´Ù.....

±×·³°á±¹ °ªÀÌ Áߺ¹µÉ ÀÏÀº ¾ø°ÚÁÒ?......±×·¡¼­ no´Â primary key°¡ ÀÚµ¿À¸·Î ¼º¸³µË´Ï´Ù.......

ÀÌÇØ°¡ ¾È°¡½Ã¸é ¤¾_¤¾ ´« ÀÌ·¸°Ô ¶ß½Ã°í °è¼Ó ÃÄ´Ù º¸½Ã±¸¿ä;;;

ÀÌÁ¦ ÀÌ ¿Ï¼ºµÈ Äõ¸®¹®À» DB¿¡ ³Ö¾î¾ßÁÒ;;;
½ÇÇàÀ» Çϸé Å×À̺íÀÌ »ý±â´Â°ÍÀÌ°ÚÁÒ?..........

±×·¡¼­ ÀÌ ÆÄÀÏÀ» install.php·Î ÇÏ°í....
¾Æ·¡ ¼Ò½º¸¦ ³Ö¾î º¼±î¿ä;;

<?
include"connect.php";

$query="
CREATE TABLE exam_memo (
no int(11) DEFAULT '0' NOT NULL auto_increment
primary key,
name varchar(10),
memo varchar(50),
date int(11),
ip varchar(15)
)";

$result=mysql_query($query,$connect);
if($result){echo"ok";}
?>

ÀúÀåÇÏ°í ½ÇÇà Çϼż­ ok¶ó°í È­¸é¿¡ Ç¥½ÃµÇ¸é exam_memo¶ó´Â Å×À̺íÀÌ ¸¸µé¾îÁø °ÍÀÌ°ÚÁÒ?

¼Ò½º ¼³¸íÀ» µå¸®¸é.......
Áö³­½Ã°£¿¡ connect.php¸¦ ¸¸µå¼ÌÀ»°Ì´Ï´Ù......
ùÁÙÀº ±× ÆÄÀÏÀ» includeÇÏ¿© DB¿¡ Á¢¼ÓÇϴ°ÅÁÒ....

±×´ÙÀ½Àº $query¶ó´Â º¯¼ö¿¡ ¾Õ¼­ ¸¸µé¾î³õÀº Äõ¸®¹®À» ³Ö¾îµÎ°í
mysql_query()¶ó´Â ÇÔ¼ö¸¦ »ç¿ëÇÏ¿© mySQL¿¡ º¸³»ÁÝ´Ï´Ù...
±×¸®°í $result¿¡ ±× °á°ú¸¦ ÀúÀåÇÏ¿©......
if($result) Áï, °á°ú°¡ trueÀ̸é echo"ok"; ÁÒ....
±×·¡¼­ Å×À̺íÀÌ ¼º°øÀûÀ¸·Î ¸¸µé¾îÁ³´Ù¸é È­¸é¿¡ ok¸¦ Ãâ·ÂÇÕ´Ï´Ù.

@_@;;;; ¿©±â±îÁö Å×ÀÌºí ¸¸µé±â¿´½À´Ï´Ù....
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