echo “UNIX Shell Scripting”

unix-shell-scripting

Why one should learn UNIX Shell Scripting ?

If you are working with Data or Databases you must have come across to the UNIX systems as unix/linux is the mostly used operating system when it comes to the systems holding large amount of data, whether it is old data warehousing appliances or the new Continue reading echo “UNIX Shell Scripting”

Different Levels of Data Modelling.

As the different levels of architecture in Database, there are different levels of Modelling also precisely we call it Levels of Data Modelling.

Although these levels are vague to understand because it changes from one organization to another but generally we can divide these levels as Continue reading Different Levels of Data Modelling.

What is Data Modelling ?

A general definition for the Data Modelling could be as given below.

Data Modelling is the process of exploring what kind of data needs to be stored and then creating data structures accordingly.

Above mentioned definition explains the whole general idea behind the Data Modelling, now lets see it in a comprehensive way and for that first we need to understand Why we need Data Modelling. Continue reading What is Data Modelling ?