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23 free lessons · No signup

Learn SQL with
interactive exercises

Type real SQL queries. Get instant feedback. Build database skills that complement your Excel knowledge.

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23 SQL Lessons

From basic SELECT queries to JOINs and aggregates. Each lesson has 10 interactive queries.

1

Basics - Introduction to SQL & SELECT

10 queries

2

WHERE Clause - Filtering Rows

10 queries

3

SELECT DISTINCT - Unique Values

10 queries

4

AND Operator - Multiple Conditions

10 queries

5

ORDER BY - Sorting Results

10 queries

6

SQL Fundamentals Review / Basics Recap

10 queries

7

AS (Aliases) & Column Arithmetic

10 queries

8

IN & BETWEEN Operators

10 queries

9

INSERT INTO - Adding Records

10 queries

10

UPDATE - Modifying Records

10 queries

11

LIMIT - Restricting Results

10 queries

12

LIKE & Wildcards - Pattern Matching

10 queries

13

DELETE - Removing Records

10 queries

14

JOIN - Combining Tables

10 queries

15

MIN & MAX - Aggregate Functions

10 queries

16

COUNT - Counting Rows

10 queries

17

NULL Values - Handling Missing Data

10 queries

18

NOT Operator

10 queries

19

AVG - Average Aggregate

10 queries

20

SUM - Sum Aggregate

10 queries

21

LEFT JOIN

10 queries

22

UNION - Combining Query Results

10 queries

23

RIGHT JOIN

10 queries

Excel + SQL = the complete data skill stack

Most data roles require both. Practice Excel while you're here.

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