How to generate ER diagram using Oracle SQL developer

Tool Used : SQL Developer version 3.1.07 Schema Used : HR Tables Used : Countries, Departments, Employees, Job_History, Jobs, Locations, Regions Navigate the below path and step by step screen shots: File > Data Modeler

Opnefire installation guide in Linux (Red Hat)

Let me show you step by step installation guide for openfire in Red hat Linux 6.2 using Postgresql database. Make sure you have postgresql database and openfire rpm installed in your machine You can get

How to Fix "Xlib: No protocol specified"

While installing Oracle database I was getting this error. I searched various blogs and forums and found out many solutions but lastly I got one solution which worked for me. But well I will post

Oracle database 10gR2 installation in RedHat 5.4

In this post I'll show you the steps required to install Oracle Database 10g Release 2 on Red Hat Enterprise Linux 5.4 (64-bit) Assuming you have downloaded Oracle Database 10g R2 from their official website.

How to create MySQL Database, Tables in Linux

I have used Red Hat Linux for creating MySQL database so kindly make changes in the commands as per your distribution.   Installing MySQL Make sure mysql package is installed in your machine which you