My First Posting

It will be great previlige to be here. Please free to post your opinion and notify the mistakes.

Comments

Post a Comment

Popular posts from this blog

xDB Replication from Oracle to PPAS

EnterpriseDB Replication tool has been now modified and add new functionality in it. Previous Replication Console, which had been made, was using the DBA Management server and Publication & Subscriptions were dependent. Now, xDB Replication has been divided into two components: 1. Publication Server : (Master Server) 2. Subscription Server: (Slave Server) Some Background of Publication Server. Publication Server has following components: 1. JAVA Based Daemon. 2. MetaDatabase of Publication Server. Publication Server keeps its information (Information about the Primary Database, Tables Details etc.) in the MetaDatabase under schema _edb_replicator_pub Publication server is independent and has no dependency on Subscriptions Server. By default publication server uses the 9011 port. However, if user wants, [S]he can use different ports too. For running Publication Server on different port, use the following command: $EDBHOME/jre/bin/java -Djava.awt.headless=true -jar $...
Read more

PostgreSQL Database Link to Oracle Database on Linux

I have seen question, like "How to make Database Link from PostgreSQL to Oracle?", always floats in PostgreSQL Community Forum. So, I thought to do some research on it and write a Blog. Cybertec (One of The PostgreSQL Database Company) has released a PostgreSQL Module ODBC Link, using which user can make Database link to any other database, including Oracle, MS SQL Server, PostgreSQL etc, which have ODBC compliant Data source. Lets see how you can make ODBC Connection from PostgreSQL to any ODBC compliant data source and fetch data. Installation of this module is very simple. Following are the steps which user can follow: 1. Install the unixODBC driver on your linux machine. user can use following useful link for Downloading and Installing the unixODBC Driver: http://www.unixodbc.org/ 2. Download ODBC-Link from following location: http://www.cybertec.at/download/odbc_link/ODBC-Link-1.0.4.tar.gz 3. Untar the downloaded file as given below: tar -zxvf ODBC-Link-1.0.4....
Read more

pg_get_tabledef function in Postgres Plus

Till Advanced Server 8.3, there was a function pg_get_tabledef, which some people were using to get the definition of table. This function is no more part of new versions of Advanced Server 8.3 (8.3R2AS and 8.4AS). So, they would be missing this function by default. However, they can get the same functionality using following function, which provides similar result as of pg_get_tabledef. Function code is given below: CREATE OR REPLACE Function pg_get_tabledef(text) RETURNS text AS $$ DECLARE tabledef TEXT; dotpos integer; tablename text; schemaname text; prevcol text; coltype text; notnull1 boolean; rec record; oidcheck boolean; BEGIN dotpos:=strpos($1,'.'); if dotpos = 0 then schemaname:='public'; tablename:=substr($1,dotpos+1); else schemaname:=substr($1,1,dotpos-1); tablename:=substr($1,dotpos+1); end if; select relhasoids into oidcheck from pg_class,pg_namespace where pg_class.r...
Read more