Author: Jose S
Showing 4 articles
How to choose where to store your data: a database, a warehouse, or a lake
App DB, warehouse, lake, mart, spreadsheet: each stores data for a different job. A plain map of the stack, tradeoffs, and a decision table so you stop buying…
- 5 min read
Which programming language to learn for data analytics: start with SQL
Which language should analysts learn? Start with SQL, add Python or R for heavier work, and treat BI calculation languages as real production logic. A practical map without…
Data jobs demystified: what each role actually does
Titles blur. Analyst, analytics engineer, BI, data scientist, data engineer, and ML engineer optimize for different questions and outputs. A plain map for hiring, career choices, and less…
What is the difference between analytics, business intelligence, and data science?
BI, analytics, data science, data engineering, and AI share tools but not goals. Plain definitions, how work hands off, and how to frame projects without buzzword soup.
