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How to use Prepared Statement in java?
Following example uses PrepareStatement method to create PreparedStatement. It also uses setInt & setString methods of PreparedStatement to set parameters of PreparedStatement.
import java.sql.*; public class jdbcConn { public static void main(String[] args) throws Exception{ Class.forName("org.apache.derby.jdbc.ClientDriver"); Connection con = DriverManager.getConnection ("jdbc:derby://localhost:1527/testDb","name","pass"); PreparedStatement updateemp = con.prepareStatement ("insert into emp values(?,?,?)"); updateemp.setInt(1,23); updateemp.setString(2,"Roshan"); updateemp.setString(3, "CEO"); updateemp.executeUpdate(); Statement stmt = con.createStatement(); String query = "select * from emp"; ResultSet rs = stmt.executeQuery(query); System.out.println("Id Name Job"); while (rs.next()) { int id = rs.getInt("id"); String name = rs.getString("name"); String job = rs.getString("job"); System.out.println(id + " " + name+" "+job); } } } |
The above code sample will produce the following result.The result may vary.
Id Name Job 23 Roshan CEO |
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