Software Scientist
CSE · Data Mining · Ch 4.2.5

OLAP operations (roll-up, drill-down, slice, dice): jobs, industries and a business idea

Moving through data: zoom out (roll-up), zoom in (drill-down), and cut it by one or more conditions (slice, dice).

1

In job ads, it's called

drill-down reportspivot analysisself-service BIad-hoc analysis

Roles that use it: Business Analyst, BI Analyst, MIS Executive, Financial Analyst.

See live openings right now:

2

Industries that need it

Finance teams in every companyRetailHospitalsEducation administration

Tools used at work: Excel pivot tables, Power BI, Tableau.

3

Your mother tongue is a skill

AI companies pay native speakers to label, clean and check data in Telugu, Tamil, Hindi and other Indian languages. That is the same data cleaning and classification you study in this subject, done in your mother tongue. Remote, part-time contract work is common.

4

Build a business from it

Training small business owners and their staff to use pivot tables and dashboards.

Prove it this weekend

Make a drill-down dashboard of your state's school data from state to district to village.

Put it on your own website (make one free with our website tool) and share the link in your applications.

We never promise jobs or income. Pay depends on skills, city and company, so check live listings. Never pay anyone to apply for a job.

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