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SELECT ¸«¤¿¤¤¥Õ¥£¡¼¥ë¥É FROM ¥Æ¡¼¥Ö¥ë̾;
¤Ç¤¹¡£

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mysql> SELECT * FROM name_list;
+----------+------+
| name | no |
+----------+------+
| Sato | 1001 |
| Takahasi | 1002 |
| Yamada | 1003 |
+----------+------+
3 rows in set (0.05 sec)

mysql>



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2007.02.27 | Comments(1) | Trackback(0) | MySQL

¥ì¥³¡¼¥É¤òÁÞÆþ¤¹¤ë¡£¡ÚINSERT INTO¡Û

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INSERT INTO ¥Æ¡¼¥Ö¥ë̾ VALUES(¥Ç¡¼¥¿£±, [¥Ç¡¼¥¿£²,[....]]);
¤Ç¤¹¡£

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mysql> INSERT INTO name_list VALUES('Sato', 1001);
Query OK, 1 row affected (0.03 sec)

mysql> INSERT INTO name_list VALUES('Takahasi', 1002);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO name_list VALUES('Yamada', 1003);
Query OK, 1 row affected (0.00 sec)

mysql>

2007.02.27 | Comments(1) | Trackback(0) | MySQL

MySQL¤Î¥Ç¡¼¥¿·¿

ÇË´þ¤·¤Æ¤Ê¤¯¤Ê¤Ã¤Æ¤·¤Þ¤Ã¤¿¤Î¤Ç¤â¤¦°ìÅ٥ơ¼¥Ö¥ë¤òºî¤ê¤Þ¤·¤ç¤¦¡£


mysql> CREATE TABLE name_list (name CHAR(50), no INT);
Query OK, 0 rows affected (0.12 sec)

mysql> SHOW TABLES;
+-------------------+
| Tables_in_sample1 |
+-------------------+
| name_list |
+-------------------+
1 row in set (0.00 sec)

mysql>


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INT(INTEGER)À°¿ôÃÍ4¥Ð¥¤¥È
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2007.02.21 | Comments(1) | Trackback(0) | MySQL

MySQL¤Ç¥Æ¡¼¥Ö¥ë¤òÇË´þ¤¹¤ë¡£¡ÚDROP TABLE¡Û

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¡¡¡¡DROP TABLES;
¤Ç¤¹¡£


mysql> SHOW TABLES;
+-------------------+
| Tables_in_sample1 |
+-------------------+
| name_list |
+-------------------+
2 rows in set (0.03 sec)

mysql> DROP TABLE name_list;
Query OK, 0 rows affected (0.08 sec)

mysql> SHOW TABLES;
Empty set (0.01 sec)

mysql>


¡ÖSHOW TABLES¡×¤Ç³Îǧ¤·¤ÆåºÎ蘆¤Ã¤Ñ¤ê¤Ê¤¯¤Ê¤Ã¤Æ¤¤¤ë¤³¤È¤¬¤ï¤«¤ê¤Þ¤¹¤Í¡£




2007.02.20 | Comments(1) | Trackback(0) | MySQL

ʸ»ú¤òÈæ³Ó¤¹¤ë¡£¡Ústrcmp¡Û

PHP¤Çʸ»ú¤òÈæ³Ó¤¹¤ë¤Î¤Ï´Ø¿ô¤Îstrcmp¤ò»È¤¤¤Þ¤¹¡£

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<?php

$str1 = "AAAAA";
$str2 = "aaaaa";

echo "ʸ»ú£±¡§ ".$str1;
echo "<br />\n";

echo "ʸ»ú£²¡§ ".$str2;

echo "<br />\n";
echo "<br />\n";

if($margin = strcmp($str1, $str2)) {
echo "°ã¤¤¤Þ¤¹¡£";
}else {
echo "Ʊ¤¸¤Ç¤¹¡£";
}

echo "<br />\n";

echo "º¹¡§ ".$margin;

echo "<br />\n";
echo "<hr />\n";

$str1 = "aaaaa";
$str2 = "a";

echo "ʸ»ú£±¡§ ".$str1;
echo "<br />\n";

echo "ʸ»ú£²¡§ ".$str2;

echo "<br />\n";
echo "<br />\n";

if($margin = strcmp($str1, $str2)) {
echo "°ã¤¤¤Þ¤¹¡£";
}else {
echo "Ʊ¤¸¤Ç¤¹¡£";
}

echo "<br />\n";

echo "º¹¡§ ".$margin;

echo "<br />\n";
echo "<hr />\n";

$str1 = "5";
$str2 = "1";

echo "ʸ»ú£±¡§ ".$str1;
echo "<br />\n";

echo "ʸ»ú£²¡§ ".$str2;

echo "<br />\n";
echo "<br />\n";

if($margin = strcmp($str1, $str2)) {
echo "°ã¤¤¤Þ¤¹¡£";
}else {
echo "Ʊ¤¸¤Ç¤¹¡£";
}

echo "<br />\n";

echo "º¹¡§ ".$margin;

echo "<br />\n";
echo "<hr />\n";

$str1 = "¤¢";
$str2 = "¤¤";

echo "ʸ»ú£±¡§ ".$str1;
echo "<br />\n";

echo "ʸ»ú£²¡§ ".$str2;

echo "<br />\n";
echo "<br />\n";

if($margin = strcmp($str1, $str2)) {
echo "°ã¤¤¤Þ¤¹¡£";
}else {
echo "Ʊ¤¸¤Ç¤¹¡£";
}

echo "<br />\n";

echo "º¹¡§ ".$margin;

echo "<br />\n";

?>



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ʸ»ú£²¡§ aaaaa

°ã¤¤¤Þ¤¹¡£
º¹¡§ -1

-----------------------------------------------------------------
ʸ»ú£±¡§ aaaaa
ʸ»ú£²¡§ a

°ã¤¤¤Þ¤¹¡£
º¹¡§ 4

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ʸ»ú£²¡§ 1

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º¹¡§ 1

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ʸ»ú£²¡§ ¤¤

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º¹¡§ -1


2007.02.17 | Comments(1) | Trackback(0) | PHP

MySQL¤Ç¥Æ¡¼¥Ö¥ë¤òºî¤ë¡£¡ÚCREATE TABLE¡Û

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¤Þ¤º¤Ï

name_list¤È¤¤¤¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤òºî¤Ã¤Æ¤ß¤Þ¤¹¡£

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¡¡¡¡CREATE TABLE ºî¤ê¤¿¤¤¥Æ¡¼¥Ö¥ë̾ (¥Õ¥£¡¼¥ë¥É̾ ·¿, [¥Õ¥£¡¼¥ë¥É̾ ·¿]);
¤Ç¤¹¡£

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name¡Ú̾Á°¡Û(char(50))no¡ÚÈÖ¹æ¡Û(int)


¤Î¤è¤¦¤Ê¥¤¥á¡¼¥¸¤Ç¤¹¡£


mysql> CREATE TABLE name_list (name CHAR(50), no INT);
Query OK, 0 rows affected (0.07 sec)


¤³¤ì¤Ç¥Æ¡¼¥Ö¥ë¤¬½ÐÍè¤Þ¤·¤¿¡£

³Îǧ¤·¤Æ¤ß¤Þ¤¹¡£

³Îǧ¤Ï
¡¡¡¡SHOW TABLES;
¤Ç¤¹¡£


mysql> SHOW TABLES;
+-------------------+
| Tables_in_sample1 |
+-------------------+
| name_list |
+-------------------+
1 row in set (0.01 sec)

mysql>


¤Á¤ã¤ó¤È¡Öname_list¡×¤¬½ÐÍè¤Æ¤¤¤Þ¤¹¡£

2007.02.14 | Comments(1) | Trackback(0) | MySQL

MySQL¤Ç»È¤¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ø°Üư¡ÚUSE¡Û

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¤½¤ì¤Ë¤è¤êºî¶È¾ì¤¬¤½¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤È¤Ê¤ê¤Þ¤¹¡£

¥«¥ì¥ó¥È¤ÈƱ¤¸¤è¤¦¤Ê¥¤¥á¡¼¥¸¤Ç¤¹¡£

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¡¡¡¡USE »È¤¦¥Ç¡¼¥¿¥Ù¡¼¥¹
¤Ç¤¹¡£
¸å¤í¤Î(;)¤Ï¤¢¤Ã¤Æ¤â¤Ê¤¯¤Æ¤âÌ¿Î᤬Ä̤ê¤Þ¤¹¡£


mysql> USE sample1
Database changed
mysql>


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2007.02.14 | Comments(1) | Trackback(0) | MySQL

MySQL¤Ç¥Ç¡¼¥¿¥Ù¡¼¥¹¤òºî¤ë¡£¡ÚCREATE DATABASE¡Û

MySQL¤Ï¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ç¤¹¤Î¤Ç¤Þ¤ººÇ½é¤Ë¥Ç¡¼¥¿¥Ù¡¼¥¹¤òºî¤ë¤³¤È¤«¤é»Ï¤á¤Þ¤¹¡£

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sample1¤È¤¤¤¦¥Ç¡¼¥¿¥Ù¡¼¥¹¤òºî¤Ã¤Æ¤ß¤Þ¤¹¡£

½ñ¼°¤Ï
¡¡¡¡CREATE DATABASE ºî¤ê¤¿¤¤¥Ç¡¼¥¿¥Ù¡¼¥¹;
¤Ç¤¹¡£


mysql> CREATE DATABASE sample1;
Query OK, 1 row affected (0.04 sec)

mysql>


¤³¤ì¤Ç¥Ç¡¼¥¿¥Ù¡¼¥¹¤¬½ÐÍè¤Þ¤·¤¿¡£

³Îǧ¤·¤Æ¤ß¤Þ¤¹¡£

³Îǧ¤Ï
¡¡¡¡SHOW DATABASES;
¤Ç¤¹¡£


mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| cdcol |
| mysql |
| phpmyadmin |
| sample1 |
+--------------------+
12 rows in set (0.00 sec)

mysql>


¤Á¤ã¤ó¤È¡Ösample1¡×¤¬½ÐÍè¤Æ¤¤¤Þ¤¹¡£



2007.02.14 | Comments(1) | Trackback(0) | MySQL

CSS¤Ç¥Ü¥Ã¥¯¥¹¤òºî¤ë¡Á£±¡£

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#box {
background-color: #aaaaff;
width: 400px;
height: 300px;
}



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2007.02.11 | Comments(2) | Trackback(0) | CSS

ʸ»ú¤ò¶èÀڤäÆÇÛÎó¤Ë¤¹¤ë¡£¡Úexplode¡Û

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<?php

$data = "ÎëÌÚ,»³ÅÄ,µÈÅÄ,º´Æ£";
$arr = explode(",", $data);

for($i = 0; $i < count($arr); $i++) {
echo $arr[$i]."<br />\n";
}

?>


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<?php

$line = "123, 456, 789, ABC ";
$arr = explode(",", $line);

foreach($arr as $val) {
echo "|".$val."|<br />\n";
}

echo "<br />\n";

foreach($arr as $val) {
echo "|".trim($val)."|<br />\n";
}


?>



·ë²Ì¡§

|123|
| 456|
| 789|
| ABC |

|123|
|456|
|789|
|ABC|

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<?php

$data = 'ÎëÌÚ,"»³ÅÄ","µÈÅÄ",º´Æ£';
$arr = explode(",", $data);

foreach($arr as $val) {
echo "|".trim($val, '"')."|<br />\n";
}

?>


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|µÈÅÄ|
|º´Æ£|

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2007.02.07 | Comments(3) | Trackback(0) | PHP

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