Introduction
Databases
SQL Introduction
Check your understanding of core SQL concepts: SELECT queries, filtering, sorting, data types, tables and keys, and aggregate functions. This free introduction assessment helps you practice foundational SQL skills used in common relational databases.
Skills Tested
- SELECT Basics
- Filtering & Sorting
- Data Types
- Tables & Keys
- Aggregate Functions
Assessment Details
10
Questions
65%
To Pass
10 min
Time Limit
—
Pass Rate
5
(1 review)
- Questions are drawn randomly from the question pool each attempt
- Answers cannot be reviewed after submission
- Escalating cooldown between attempts: 8h, 24h, 72h, then 1 week
- Certificates include a shareable verification token
- Open Badges 2.0 compliant. Add to LinkedIn and digital wallets
Free
per attempt
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Track
Databases → MySQL