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Byron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.

Check if a database supports transactions

With this example we are going to demonstrate how to check if a database supports transactions. In short, to check if a database supports transactions you should:

  • Load the JDBC driver, using the forName(String className) API method of the Class. In this example we use the Oracle JDBC driver.
  • Create a Connection to the database. Invoke the getConnection(String url, String user, String password) API method of the DriverManager to create the connection.
  • Create the DatabaseMetaData, using the getMetaData() API method of the Connection. It includes information about the database’s tables, its supported SQL grammar, its stored procedures and the connection capabilities.
  • Check whether this database supports transactions, using the supportsTransactions() API method of the DatabaseMetaData.

Let’s take a look at the code snippet that follows:

package com.javacodegeeks.snippets.core;
 
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.SQLException;

public class TransactionsSupport {
 
  public static void main(String[] args) {

    Connection connection = null;
    try {

  // Load the Oracle JDBC driver

  String driverName = "oracle.jdbc.driver.OracleDriver";

  Class.forName(driverName);


  // Create a connection to the database

  String serverName = "localhost";

  String serverPort = "1521";

  String sid = "mySchema";

  String url = "jdbc:oracle:thin:@" + serverName + ":" + serverPort + ":" + sid;

  String username = "username";

  String password = "password";

  connection = DriverManager.getConnection(url, username, password);

  

  System.out.println("Successfully Connected to the database!");

  
    } catch (ClassNotFoundException e) {

  System.out.println("Could not find the database driver " + e.getMessage());
    } catch (SQLException e) {

  System.out.println("Could not connect to the database " + e.getMessage());
    }

    try {

  DatabaseMetaData metaData = connection.getMetaData();

  if (metaData.supportsTransactions()) {


System.out.println("Transactions are supported!");

  } else {


System.out.println("Transactions are not supported!");

  }
    } catch (SQLException e) {

  System.out.println("Could not get database metadata " + e.getMessage());
    }

 }

}

Output:

Successfully Connected to the database!
Transactions are supported!

 
This was an example of how to check if a database supports transactions in Java.

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