What is Cloud Computing ?

 Everyone is talking about “the cloud”. But what does cloud mean ? Over the last decade, traditional software models are moving to internet rapidly.Looking towards...

Introduction To python

Python is a general purpose, dynamic, high level, interactive and interpreted programming language. It supports Object Oriented programming approach to develop applications. Python is a cross-platform programming...

What is Artificial Intelligence ?

Still Wondering about human like robots such as terminator, chappie and Lucy shown in movies. Then you need to come to real world because self-aware...

SQL Index

While executing SQL query, most important aspect to consider is performance.  So  how you achieve a good performance from database queries. Let us take the...

What is Big Data ?

Big Data has been a buzz word for quite some time now and it is catching popularity faster than pretty much anything else in the...

Why Informatica is best ETL tool ?

ETL tools are required to extract, transform and load the data to Data Warehouse. ETL tools are the key to handle the database and Data...

File Types Of Unix

As discussed in the Introdution Of Unix ,a simple description of the UNIX system, is this:“On a UNIX system, everything is a file; if something is not...

Introduction Of Unix

UNIX is a popular operating system  for more than two decades which was first developed in the 1960s, and has been under constant development ever...

WHERE Vs HAVING CLAUSE IN SQL

While working with SQL, one of the question which often creates confusion is whether to use where or having clause.Though it appears that both clauses...