BitWithBite
SQL Worksheet
🗃 Introduction to SQL & Databases
SCORE___ / 20
NameClassDate
After this worksheet you can
Know what a database and table areUnderstand rows and columnsKnow what SQL is forRecognise popular database systems📚 Quick Recap
SQL is the universal language for working with databases. Every app you use stores data in a database, and SQL is how that data gets retrieved, updated, and analyzed. This lesson covers what databases are, how relational databases work, and why SQL is the most in-demand data skill in the world.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1SQL stands for:
2Data in a table is stored in:
3A single record is a:
4Which is a database system?
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5A stores organised data in tables.
6A table column holds one of data.
7Give a real example of a table with 3 columns.
8Difference between a row and a column?
9Why databases instead of spreadsheets?
🚀 Section C · Challenge ● CHALLENGE 5
10What does a 'relational' database relate?
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
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✂ answer key — fold or cut before handing out
1-B 2-A 3-B 4-A | 5 database 6 type/attribute 7 = students(id, name, grade) 8 = Row = one record; column = one attribute across records 9 = Scale, relationships, speed, multi-user safety | 10 = Tables to each other via keys