Is the online SQLite compiler free?

Yes — the SQLite compiler on Play with Coding is free, requires no account and runs entirely in your browser.

Can I run SQLite code on mobile?

Yes. The editor and output console are fully responsive, so you can write and run SQLite programs from a phone or tablet.

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SQLite Online Compiler

Practice SQLite right here — no installs, no signups.

Select language:

SQLite Compiler

Output

Code runs on the Play with Coding execution engine — your code is saved locally for next time.

About the SQLite online compiler

SQL is how you ask a database questions. This online SQL compiler runs SQLite in your browser, so you can create tables, insert rows and query them without installing a database server — and the result set is printed as a table under the editor.

Practise SELECT with WHERE, ORDER BY and LIMIT, then aggregate with GROUP BY and HAVING, then join multiple tables. Joins are where most beginners stall, so the samples below start from two small tables you can retype from memory.

→DBMS lab assignments without a local database
→Practising JOIN types on tiny sample tables
→Learning GROUP BY and aggregate functions
→Testing a query's logic before running it in production

SQLite sample programs you can run right now

Copy any snippet into the editor above and press Run. Each one is short on purpose — retype it from memory afterwards.

Create, insert and select

CREATE TABLE students (id INTEGER, name TEXT, marks INTEGER);
INSERT INTO students VALUES (1, 'Aarav', 78), (2, 'Priya', 91), (3, 'Rohan', 55);

SELECT name, marks FROM students
WHERE marks > 60
ORDER BY marks DESC;

WHERE filters rows before grouping; ORDER BY sorts the final result.

A join with aggregation

CREATE TABLE courses (id INTEGER, student_id INTEGER, title TEXT);
INSERT INTO courses VALUES (1, 1, 'Python'), (2, 1, 'Java'), (3, 2, 'C++');

SELECT s.name, COUNT(c.id) AS total
FROM students s
LEFT JOIN courses c ON c.student_id = s.id
GROUP BY s.name;

LEFT JOIN keeps students with no courses; an INNER JOIN would drop them.

Common SQLite errors and how to fix them

no such table: students

Why: The CREATE TABLE statement was not run in the same session.

Fix: Keep the CREATE and INSERT statements above your SELECT in the same script.

misuse of aggregate function COUNT()

Why: An aggregate was used in WHERE.

Fix: Filter aggregates with HAVING, not WHERE.

ambiguous column name: id

Why: Both joined tables have that column.

Fix: Qualify it: s.id or c.id.

SQLite syntax cheatsheet

Concept	Syntax
Select rows	SELECT * FROM t WHERE x > 1;
Create table	CREATE TABLE t (id INTEGER, n TEXT);
Insert	INSERT INTO t VALUES (1, 'a');
Join	FROM a JOIN b ON b.a_id = a.id
Group	GROUP BY col HAVING COUNT(*) > 1
Update	UPDATE t SET n = 'b' WHERE id = 1;

SQLite compiler FAQs

Which SQL dialect is used?

SQLite, which covers the standard SELECT/INSERT/UPDATE/DELETE, joins and aggregates taught in most courses.

Is my data saved between runs?

No — each run starts with a fresh database, so include your CREATE and INSERT statements in the script.

Keep going after the compiler

Running snippets builds speed; the 17-chapter course builds understanding. Work through the SQLite chapters, take the quiz, then claim your certificate.

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