Database Tools, Tutorials

pgAdmin III :- pgAdmin III is a comprehensive PostgreSQL database design and management system


PostgreSQL tutorials :- http://www.postgresql.org/docs/8.0/static/index.html


MySQL Workbench :-MySQL Workbench provides a graphical tool for working with MySQL Servers and databases


MySQL Administrator :- MySQL Administrator is a program for performing administrative operations, such as configuring your MySQL server, monitoring its status and performance, starting and stopping it, managing users and connections, performing backups, and a number of other administrative tasks.








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Installing the JDK in debian

1) Download and Uncompressed the JDK file


2) move the JDK directory to /usr/lib/jvm

Example
sudo mv ./jdk1.7.0_02  /usr/lib/jvm/jdk1.7.0

3) run

sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.7.0/bin/java" 1
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.7.0/bin/javac" 1
sudo update-alternatives --install "/usr/bin/javaws" "javaws" "/usr/lib/jvm/jdk1.7.0/bin/javaws" 1

4) Run

sudo update-alternatives --config java

Press enter to keep the current choice[*], or type selection number: 3


5) confirm the success of new installation 

java -version

6) Repeat the step 4 for:

sudo update-alternatives --config javac
sudo update-alternatives --config javaws



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