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Êý¾Ý¿âÃû£ºscutcs
±íÃû£ºstudent
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sno  char[7]  NO NULL Primary Key;
sname  varchar[8]  NO NULL;
sex  char[2]  NO NULL;
bdate  date   NO NULL;
height  decimal[10,0] ;
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import java.sql.*;
public class JDBCTest {
public static void main(String[] args){
           String driver = "com.mysql.jdbc.Driver";         // Çý¶¯³ÌÐòÃû
           String url = "jdbc:mysql://localhost/scutcs";     // URLÖ¸ÏòÒª·ÃÎʵÄÊý¾Ý¿âÃûscutcs 
           String user = "........";       // MySQLÅäÖÃʱµÄÓû§Ãû
           String password = "........";      // MySQLÅäÖÃʱµÄÃÜÂë
           try {
            Class.forName(driver);    // ¼ÓÔØÇý¶¯³ÌÐò
            Connection conn = DriverManager.getConnection(url, user, password);      // Á¬ÐøÊý¾Ý¿â
            if(!conn.isClosed())
             System.out.println("Succeeded connecting to the Database!");     //ÑéÖ¤ÊÇ·ñÁ¬½Ó³É¹¦
            Statement statement = conn.createStatement();           &


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MysqlÌæ´ú½â¾ö·½°¸Cassandra

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http://zh.wikipedia.org/wiki/Cassandra
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¡¡¡¡create TABLE `r2` (
¡¡¡¡ID` int(11) DEFAULT NULL,
¡¡¡¡ID1` int(11) DEFAULT NULL,
¡¡¡¡CNAME` varchar(32) DEFAULT NULL,
¡¡¡¡KEY `ID1` (`ID1`)
¡¡¡¡) ENGINE=MyISAM DEFAULT charSET=latin1
¡¡¡¡select count(*) from r2;
¡¡ ......

Java Ï̳߳صÄÔ­ÀíÓëʵÏÖ

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JavaÃæÊÔÌâÿÈÕÎåÌâ(2010/02/26)


ÎÊÌâ1.
public static void append(String str){
str += " Append!";
}
public static void append(StringBuffer sBuffer){
sBuffer.append(" Append!");
}
public void test(){
String str = "Nothing";
append(str);
System.out.println(str);
StringBuffer sBuffer = new StringBuffer("Nothing" ......
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