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DataDirect JDBC Driver for Greenplum: Features and Benefits



How to Download Greenplum JDBC Driver




If you are looking for a way to connect your Java applications with Greenplum database, you will need a JDBC driver that provides database connectivity through the standard JDBC APIs. In this article, we will show you how to download and install the DataDirect JDBC Driver for VMware Greenplum, which is a Type 5 driver that offers high performance, security, and reliability for accessing Greenplum data.


Prerequisites




Before you download and install the JDBC driver for Greenplum, make sure you have the following prerequisites:




download greenplum jdbc driver


Download File: https://www.google.com/url?q=https%3A%2F%2Ft.co%2FUTAsWqbP2V&sa=D&sntz=1&usg=AOvVaw2Hv26uqttNyekwmFUikJWL



  • A Java SE 5 or higher runtime environment.



  • A Greenplum database version 4.3 or later.



  • A license key for the DataDirect JDBC Driver for VMware Greenplum. The license key is embedded in the greenplum.jar file itself, so you do not need to apply it separately.



Downloading the Driver




To download the JDBC driver for Greenplum, follow these steps:


  • Log into VMware Tanzu Network and download the DataDirect JDBC driver file: PROGRESS_DATADIRECT_JDBC_DRIVER_PIVOTAL_GREENPLUM_5.1.4.zip.



  • Follow the instructions in Verifying the Greenplum Database Software Download to verify the integrity of the Progress DataDirect JDBC Driver software.



  • Extract the downloaded ZIP file.



Adding the Driver to the Classpath




To use the JDBC driver with your Java applications, you need to add it to your Java classpath. You can do this by either setting the CLASSPATH environment variable or using the -classpath option when executing a Java application.


How to download greenplum jdbc driver for VMware


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Greenplum jdbc driver version and compatibility


DataDirect JDBC Driver for VMware Greenplum documentation[^1^]


CData JDBC Driver for Greenplum features and benefits[^2^]


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Progress DataDirect JDBC Driver for VMware Greenplum overview[^4^]


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Verify the integrity of the greenplum jdbc driver software download


Extract the greenplum jdbc driver zip file and add it to the classpath


Test the greenplum jdbc driver connection and functionality


Download greenplum jdbc driver for Pivotal GreenPlum 4.3 or later


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For example, if you extracted the driver file to /opt/Progress/DataDirect/Connect_for_JDBC_51/lib, you can add it to your classpath by using one of these methods:


  • Setting the CLASSPATH environment variable:export CLASSPATH=/opt/Progress/DataDirect/Connect_for_JDBC_51/lib/PROGRESS_DATADIRECT_JDBC_DRIVER_PIVOTAL_GREENPLUM_5.1.4.jar:$CLASSPATH



  • Using the -classpath option:java -classpath /opt/Progress/DataDirect/Connect_for_JDBC_51/lib/PROGRESS_DATADIRECT_JDBC_DRIVER_PIVOTAL_GREENPLUM_5.1.4.jar:. MyJavaApp



Viewing the Driver Version Information




To view the JDBC driver version information, you can use the data source class to display it. For example, if you are using Linux/Unix systems, you can run this command:


java -classpath PROGRESS_DATADIRECT_JDBC_DRIVER_PIVOTAL_GREENPLUM_5.1.4.jar com.pivotal.jdbc.GreenplumDriver


You should see an output like this:


[Pivotal] [Greenplum JDBC Driver]Driver Version: 5 [Build Number: 5.1.4.0000] [Driver Name: Pivotal Greenplum JDBC Driver] [Driver URL: jdbc:pivotal:greenplum://] [Driver Class Name: com.pivotal.jdbc.GreenplumDriver]


Using the Driver with a Java Application




To use the JDBC driver with a Java application, you need to specify the data source class name, the connection URL, and the connection properties. Here is an example of how to use the driver with a Java application:


import java.sql.*; import com.pivotal.jdbc.GreenplumDataSource; public class MyJavaApp public static void main(String[] args) // Create a data source object GreenplumDataSource ds = new GreenplumDataSource(); // Set the connection properties ds.setServerName("myhost"); ds.setPortNumber(5432); ds.setDatabaseName("mydb"); ds.setUser("myuser"); ds.setPassword("mypassword"); // Get a connection from the data source Connection conn = null; try conn = ds.getConnection(); System.out.println("Connected to Greenplum database."); // Execute a query and display the results Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("SELECT * FROM mytable"); while (rs.next()) System.out.println(rs.getString(1) + " " + rs.getString(2)); // Close the resources rs.close(); stmt.close(); conn.close(); catch (SQLException e) e.printStackTrace();


The data source class name for the JDBC driver is com.pivotal.jdbc.GreenplumDataSource. The connection URL format is jdbc:pivotal:greenplum://<host>[:<port>]/<database>, where <host> is the name or IP address of the Greenplum master host, <port> is the port number of the Greenplum database (default is 5432), and <database> is the name of the database to connect to. You can also specify other connection properties, such as user name, password, SSL mode, and so on.


Conclusion




In this article, we have shown you how to download and install the DataDirect JDBC Driver for VMware Greenplum, which is a Type 5 driver that provides high performance, security, and reliability for accessing Greenplum data from Java applications. We have also shown you how to add the driver to your classpath, view the driver version information, and use the driver with a Java application. We hope you have found this article helpful and informative. If you have any questions or feedback, please feel free to contact us.


For more information about Greenplum database and JDBC driver, you can visit these links:


  • Greenplum Database Documentation



  • DataDirect JDBC Driver for VMware Greenplum User's Guide



  • DataDirect JDBC Driver for VMware Greenplum Reference Guide



  • DataDirect JDBC Driver for VMware Greenplum Release Notes



  • DataDirect JDBC Driver for VMware Greenplum Support Matrix



FAQs




Here are some frequently asked questions and answers about Greenplum JDBC driver:


  • What are the benefits of using a Type 5 JDBC driver?A Type 5 JDBC driver is a pure Java driver that does not require any native libraries or configuration files. It offers better performance, security, and reliability than other types of drivers. It also supports advanced features such as connection pooling, load balancing, failover, Kerberos authentication, SSL encryption, and more.



  • How do I obtain a license key for the DataDirect JDBC Driver for VMware Greenplum?The license key is embedded in the greenplum.jar file itself, so you do not need to apply it separately. You can download the greenplum.jar file from VMware Tanzu Network after logging in with your credentials.



  • How do I enable SSL encryption for the DataDirect JDBC Driver for VMware Greenplum?To enable SSL encryption, you need to set the EncryptionMethod property to 1 (bidirectional encryption) or 2 ( unidirectional encryption) and provide the SSL certificate file name in the EncryptionCertFile property. For example, you can set these properties in the data source object:ds.setEncryptionMethod(1);ds.setEncryptionCertFile("/opt/Progress/DataDirect/Connect_for_JDBC_51/certs/greenplum.cer");



  • How do I use Kerberos authentication for the DataDirect JDBC Driver for VMware Greenplum?To use Kerberos authentication, you need to set the AuthenticationMethod property to 4 (Kerberos) and provide the Kerberos service name in the KerberosServiceName property. You also need to configure the Kerberos client on your system and obtain a valid ticket. For example, you can set these properties in the data source object:ds.setAuthenticationMethod(4);ds.setKerberosServiceName("postgres");



  • How do I troubleshoot the DataDirect JDBC Driver for VMware Greenplum?To troubleshoot the driver, you can enable logging by setting the LogFile and LogLevel properties. The LogFile property specifies the name and location of the log file, and the LogLevel property specifies the level of detail to be logged. The log file contains information about the driver initialization, connection, statement execution, and error handling. For example, you can set these properties in the data source object:ds.setLogFile("/tmp/greenplum.log");ds.setLogLevel(6);





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