データベース接続
  MySQL : java ( mysql-connector-java-5.0.6-bin.jar )



  
import java.sql.*;

public class mysql {

	public static void main(String[] args) {

		Connection con;
		Statement stmt;
		ResultSet rset;

// *********************************************************
// MySQL 5.1
// mysql-connector-java-5.0.6-bin.jar
// *********************************************************
		try {
			Class.forName("com.mysql.jdbc.Driver");
			con = DriverManager.getConnection(
				"jdbc:mysql://localhost/lightbox"
				+"?user=root"
				+"&password="
// *********************************************************
// 以下が無い場合、日本語指定の getString が失敗する
// *********************************************************
				+"&characterSetResults=sjis"
			);
			stmt = con.createStatement();

			rset = stmt.executeQuery ( "select * from `社員マスタ`" );

			ResultSetMetaData rm = rset.getMetaData();
			int nCols = rm.getColumnCount();
			String[] data = new String[nCols];
			int i;

			while( rset.next() ) {
				System.out.print( rset.getString( "氏名" ) + ":" );
				for( i = 0; i < nCols; i++ ) {
					data[i] = rset.getString( i+1 );

					if ( i != 0 ) {
						System.out.print( "," );
					}
					System.out.print( data[i] );
				}
				System.out.println(  );
			}

			stmt.close();
			con.close();

		}
		catch (Exception e) {
			System.out.println( e.getMessage() );
		}

	}
}
  

更新処理
  
// *****************************************************
// DB 更新処理
// *****************************************************
public int Execute( String Query ) {

	ErrorMessage = "";

	int nRet;

	try {
		nRet = stmt.executeUpdate( Query );
	}
	catch( SQLException e ) {
		ErrorMessage = e.getMessage();
		return -1;
	}

	return nRet;

}
  











   
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