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Import Public Class Public Static Void Try

This Java code connects to an Oracle database, inserts user data into a table using a prepared statement, and then retrieves and prints the data. It establishes a connection to the database, inserts the values "Rohan" and "Rai" into the "std" table using a prepared statement, and then executes a query to select all data from the "std" table and print the results.

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Nikhat Bano
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65 views1 page

Import Public Class Public Static Void Try

This Java code connects to an Oracle database, inserts user data into a table using a prepared statement, and then retrieves and prints the data. It establishes a connection to the database, inserts the values "Rohan" and "Rai" into the "std" table using a prepared statement, and then executes a query to select all data from the "std" table and print the results.

Uploaded by

Nikhat Bano
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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import java.sql.

*;
public class DB {

public static void main(String[] args) {


// TODO Auto-generated method stub
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
Connection c=
DriverManager.getConnection("jdbc:Oracle:thin:@localhost:1521:xe","system","system");
System.out.println("connect....");
Statement s = c.createStatement();
//s.executeUpdate("create table std(nmae varchar2(25),pass varchar2(30))");
//int x= s.executeUpdate("insert into std values('ram','123')");
// System.out.println(x + " rec is inserted");
String s1 ="Rohan";
String s2 ="Rai";
// s.executeUpdate("insert into std values('"+s1+"','"+s2+ "')");
PreparedStatement ps;
ps = c.prepareStatement("insert into std values(?,?)");
ps.setString(1,s1);
ps.setString(2, s2);
ps.executeUpdate();

ResultSet rs = s.executeQuery("select * from std");


while(rs.next())
{
System.out.println(rs.getString(1)+"\t" +rs.getString(2));

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

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