Unisoft Technologies

Honest answers about IT careers, from the people who teach them

Career guides, course comparisons and hands-on SQL from Unisoft Technologies in Nagpur. These are the questions students ask us every week, answered the way we answer them in class.

Careers in data

What the jobs involve, what they pay, and how to choose between them.

Which should you learn first?

Head-to-head comparisons of the tools and certifications students ask us about most.

SQL practice and trends

Sharpen your queries, and see where SQL is heading.

  • Practice setUpdated

    SQL nested functions challenge set: easy, medium and hard

    Nested-function challenges at three levels, built from real-world examples for our SQL students.

  • TrendsUpdated

    Latest trends in SQL and data management

    AI-assisted query tuning, hybrid SQL and NoSQL, cloud-native databases, and why SQL still sits at the centre of AI and big data.

From our Oracle DBA archive

Before this blog, our trainers wrote step-by-step Oracle DBA guides on our older blog, between 2014 and 2017. They cover Oracle 10g and 11g, so screens and commands may differ in newer versions, but the core concepts still hold.

Browse all 39 posts in the archive →

About this blog

Unisoft Technologies has trained IT professionals in Dharampeth, Nagpur, since 2000. This blog is where we answer the questions students ask us every week: which course, which career, and whether AI changes any of it. We name our sources, and we'd rather tell you a course isn't right for you than sell you the wrong one.

Not sure where to start?

Tell us what you do now and what you want to be doing. We'll tell you which course to start with, including when the answer is none of ours.