BitWithBite
SQL Worksheet
🗃 SELECT & WHERE
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NameClassDate
After this worksheet you can
Select specific columnsFilter with WHERECombine conditions with AND/ORMatch patterns with LIKE📚 Quick Recap
SELECT is the most written SQL statement in the world. WHERE is what gives it power — turning a query that returns millions of rows into one that returns exactly what you need. Master these two commands and you'll handle the majority of real-world SQL work.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1Get only names:
2Filter rows with:
3LIKE 'A%' matches:
4age BETWEEN 13 AND 19 includes:
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5SELECT name, age users;
6WHERE age 18 finds adults (18+).
7Select names of users older than 21.
8Find products priced 10-50.
9Find emails ending in .edu.
🚀 Section C · Challenge ● CHALLENGE 5
10Why use = NULL fails and what to use?
💭 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-A 2-A 3-C 4-A | 5 FROM 6 >= 7 = SELECT name FROM users WHERE age > 21; 8 = SELECT * FROM products WHERE price BETWEEN 10 AND 50; 9 = SELECT * FROM users WHERE email LIKE '%.edu'; | 10 = NULL is not comparable with =; use IS NULL