🗃️ Databases · The Lab · NBN IA

Databases Course · Module 01

What a database is

A database is just a very well-organised table: every piece of info in its place, in rows and columns. Take this scattered info and file it neatly. 👇

01 · What it is02 · Rows & columns03 · The types
The game · file the mess into a table

From chaos… to a table

Click each "sticky note": it files itself as a clean row in the table.
File the 4 scattered cards0 / 4
Name
Age
City
Empty table — click the cards above 👆
🗃️ Filed! The same info, but organised: each person = a row, each type of info (name, age, city) = a column. That's what a database is: a structured table where the computer finds everything in an instant.
What this teaches you

It's tidying, not magic

📊 A structured table

Like a spreadsheet, but built to store a lot and find it fast. Rows = the records, columns = the info.

⚡ Find it in a blink

Well-organised, the computer can sort, filter, search, count… instantly. Tidiness is the superpower.

Check that you got it

2 quick questions

1. A database mostly looks like…

Right: rows (the records) and columns (the info). A beefed-up spreadsheet.

2. The point of filing it all like this?

Right: well-structured = the computer finds and manipulates the data in an instant.

What to remember

  • A database = a structured table (rows × columns).
  • A row = a record; a column = a type of info.
  • Well-organised = sort, filter, search in an instant.