java - mysqlで発生した選択クエリエラー

Question

次のコードを実行しようとすると、このエラーcom.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'NIRAV' in 'where clause' が発生します。

package all_forms;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import javax.swing.JOptionPane;

public class Select_operation {

private Connection con=null;
private PreparedStatement pstmt=null;
private ResultSet rs=null;
String query;
public Select_operation(Connection conn)
{
    con=conn;
}
public ResultSet select(String search)
{
    query="select * from student where id="+search+" or name like'"+search+"%'";
    try
    {
        pstmt=con.prepareStatement(query);
        rs=pstmt.executeQuery();
    }
    catch(Exception e)
    {
        JOptionPane.showMessageDialog(null, ""+e, "Error",JOptionPane.ERROR_MESSAGE);
    }
    return rs;
}

}