JDBC Tutorials - Herong's Tutorial Examples - v3.12, by Dr. Herong Yang
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
Table of Contents
JDBC (Java Database Connectivity) Introduction
Installing and Running Java DB - Derby
Derby (Java DB) JDBC DataSource Objects
Java DB (Derby) - DML Statements
Java DB (Derby) - ResultSet Objects of Queries
Java DB (Derby) - PreparedStatement
MySQL JDBC Driver (MySQL Connector/J)
MySQL - Reference Implementation of JdbcRowSet
MySQL - JBDC CallableStatement
MySQL CLOB (Character Large Object) - TEXT
MySQL BLOB (Binary Large Object) - BLOB
Oracle Express Edition Installation on Windows
Oracle - Reference Implementation of JdbcRowSet
PreparedStatement with Parameters
PreparedStatement in Batch Mode
Performance of Inserting Rows with a PreparedStatement
►Performance of Inserting Rows with a Regular Statement
Performance of Inserting Rows with a ResultSet
Oracle - JBDC CallableStatement
Oracle CLOB (Character Large Object) - TEXT
Oracle BLOB (Binary Large Object) - BLOB
Microsoft SQL Server Express Edition
Microsoft JDBC Driver for SQL Server
Microsoft JDBC Driver - Query Statements and Result Sets
Microsoft JDBC Driver - DatabaseMetaData Object
Microsoft JDBC Driver - DDL Statements
Microsoft JDBC Driver - DML Statements
SQL Server - PreparedStatement
SQL Server CLOB (Character Large Object) - TEXT
SQL Server BLOB (Binary Large Object) - BLOB
JDBC-ODBC Bridge Driver - sun.jdbc.odbc.JdbcOdbcDriver
JDBC-ODBC Bridge Driver - Flat Text Files
JDBC-ODBC Bridge Driver - MS Access
JDBC-ODBC Bridge Driver - MS SQL Server
Summary of JDBC Drivers and Database Servers