Performance of Inserting Rows with a Regular Statement

JDBC for Oracle - Herong's Tutorial Examples

∟Performance of Inserting Rows with a Regular Statement

This section describes how to measure the performance of inserting rows using a Statement object.

To compare the performance result from the previous result with regular Statement objects. I wrote the following Java program to measure the performance of inserting rows using a regular Statement object into an empty table:

/* OraclePerformanceRegularStatement.java
 * Copyright (c) HerongYang.com. All Rights Reserved.
 */
import java.sql.*;
public class OraclePerformanceRegularStatement {
  public static void main(String [] args) {
    Connection con = null;
    try {
      oracle.jdbc.pool.OracleDataSource ds
        = new oracle.jdbc.pool.OracleDataSource();
      ds.setDriverType("thin");
      ds.setServerName("localhost");
      ds.setPortNumber(1521);
      ds.setDatabaseName("XE");
      ds.setUser("Herong");
      ds.setPassword("TopSecret");
      con = ds.getConnection();

// Delete all rows from the table
      Statement sta = con.createStatement();
      sta.executeUpdate("DELETE FROM Profile");

// Start the test
     int count = 10000;
     long t1 = System.currentTimeMillis();

// Regular Statement to insert rows
      Statement rs = con.createStatement();
      java.util.Random r = new java.util.Random();
      for (int i = 0; i < count; i++) {
        rs.executeUpdate(
          "INSERT INTO Profile (ID, FirstName, LastName) VALUES ("
          +(i+1)+", '"+Integer.toHexString(r.nextInt(9999))
          +"', '"+Integer.toHexString(r.nextInt(999999))+"')");
      }
      rs.close();

// End the test
     long t2 = System.currentTimeMillis();
     System.out.println("Regular Statement insert "+count
         +" rows with "+(t2 -t1) +" milliseconds");

      con.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

Here is the test results on my new Mac computer:

Operationg System: macOS 10
CPU speed:  2.6 GHz
JVM version: 15
Oracle Server: 21.3
JDBC driver: ojdbc11.jar

Statement           # of inserts   Time in ms.   Comparison
PreparedStatement   10000           9962         100%
Regular Statement   10000          19220         193%

Here is the test results on my new Windows computer:

Operationg System: Windows 10
CPU speed: 3.6 GHz
JVM version: 17.0.1
Oracle Server: 21.3
JDBC driver: ojdbc11.jar

Statement           # of inserts   Time in ms.   Comparison
PreparedStatement   10000          14281         100%
Regular Statement   10000          29648         208%

Test results on my older computer:

Operationg System: Windows 7
CPU speed: 2.5 GHz
JVM version: 1.8.0_45
Oracle Server: 11.2
JDBC driver: ojdbc6.jar

Statement           # of inserts   Time in ms.   Comparison
PreparedStatement   10000          22574         100%
Regular Statement   10000          63897         279%

Test results on my very old computer:

Operationg System: Windows XP
CPU speed: 997 MHz
JVM version: 1.6
Oracle Server: 10.2
JDBC driver: ojdbc14.jar

Statement           # of inserts   Time in ms.   Comparison
Regular Statement   10000          13609