Storing and retrieving data from database

Wed, 10 Oct 2012 04:29:53 -0700

Import java. sql .*;

class DatabaseConnection

{

Public static void main(String args[ ]) throws Exception

{

Class. forName(“sun. jdbc. odbc. JdbcOdbcDriver”);

Connection con = DriverManager. getConneciton(“jdbc:odbc:sac”);

PreparedStatement ps = con.prepareStatement(“insert into emp values (?,?,?)”);

ps.setString(1, “Emp001”);

ps.setString(2, “Akash”);

ps.setInt(1,00,000);

System.out.println(“Row inserted : ” +ps.execute Update( ));

Statement stmt = con.createStatement( );

ResultSet rs= stmt.executeQuery(“select * from emp”):

//obtaining Meta data of the result set

ResultSetMetaData rsmd = rs.getMetaData( );

int cc = rsmd.getColumnCount( );

System.out.printlln(“Number of columns in result set: ”+cc);

For(int i=1; i<=cc i++)

System.out.print(rsmd.getColumnName(i)+ “\t”);

System.out.println();

while(rs.next())

{

System.out.print(rs.getString(1)+ “\t”);

System.out.print(rs.getString(2)+ “\t”);

System.out.print(rs.getString(3)= “\t”);

}

}

}

The output of the program is as follow:

C:\javabook\program\java DatabaseConnection

Row inserted: 1

Number of columns in result set: 3

Empid Name Salary

Emp001 Akash 1, 00,000

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Storing and retrieving data from database