11)Write a JDBC program to remove �percentage� column from student (rno, sname, percentage) table. Student table is already created.
importjava.sql.*;
class Slip11
{
public static void main(String a[])
{
Connection con;
Statement stmt;
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc:odbc:dsn");
if(con==null)
{
System.out.println("Connection Failed.......");
System.exit(1);
}
System.out.println("Connection Established......");
stmt=con.createStatement();
int no = stmt.executeUpdate("alter table student drop column per");
if(no!=0)
System.out.println("Drop col sucessfully");
else
System.out.println("NOT Drop col ");
}
catch(Exception e)
{
System.out.println(e);
}
}
}
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