Database Technologies

In series of blogging about new features coming in PostgreSQL 9.3, I thought to blog about the server side language improvements in PostgreSQL. Lets see whats coming in server side language. As PostgreSQL user, you know, PostgreSQL supports multiple server side language. In 9.3, there are some interesting features are coming. Lets look at the new improvements about to come. 1. SPI access to number of rows processed by COPY command. This is more like new feature which is introduced in 9.3. Before 9.3, this feature was missing. i.e if user uses COPY command inside the plperl/plpython functions, then there was no way inside the procedure to trace the number of rows processed by COPY. However in 9.3, this limitation is no more exists with procedural language. There are many languages supported in PostgreSQL, However I chose to test this with mostly used language plperl and plpython. Below are some snapshot pre-9.3 and in 9.3. Lets check with plperl. Following is a plperl function w...

I had seen people ask Questions about finding the edb-jdbc/postgresql driver version with Database Version. So, I thought to give one java script which can be use to find Database Details with edb-jdbc version. Following is a JAVA Code which can be use to find the Database Version and EDB-JDBC/postgresql-jdbc Version: File Name: DBinfo.java import java.sql.*; public class DBinfo { public static void main(String[] args) { try { Class.forName("com.edb.Driver"); Connection con = DriverManager.getConnection("jdbc:edb://localhost:5444/edb", "enterprisedb","edb"); // Advanced Server Database Connection Information DatabaseMetaData dbmd = con.getMetaData(); System.out.println("===== Database info ====="); System.out.println("DatabaseProductName: " + dbmd.getDatabaseProductName() ); System.out.println("DatabaseProductVersion: " + dbmd.getDatabaseProduc...