SQL Cheatsheet

Quick reference of SQL commands with examples.

Select all columns

Select specific columns

Select unique values

Filter rows

Filter by list of values

Filter by range

Pattern matching

Check for NULL

Sort results

Pagination

Column alias

Insert a row

Insert from select

Update rows

Delete rows

Delete all rows (fast)

Insert or update on conflict

Only matching rows

All from left + matching right

All from right + matching left

All rows from both tables

Cartesian product

Join on matching column names

Count rows

Sum of values

Average of values

Minimum / maximum value

Group rows by column

Filter groups

Create table

Add column

Drop column

Delete table

Create index

Create unique index

First non-null value

Returns NULL if a = b

Conditional expression

Type conversion

Current date/time

Extract part of date

Concatenate strings with separator

What is it?

SQL Cheatsheet is a free online tool that runs entirely in your browser. Quick reference of SQL commands with examples. No data is sent to any server — all processing happens locally on your device, ensuring complete privacy and security. Whether you're a developer, designer, student, or professional, this tool saves you time by providing instant results without requiring any software installation or account creation.

How to use

Using SQL Cheatsheet is straightforward. Simply enter or paste your data in the input field, configure any available options, and click the action button to process. The result appears instantly in the output area. You can copy the result to your clipboard with one click. If you need to start over, just clear the input and try again. The tool accepts a wide range of inputs and handles edge cases gracefully.

When to use

SQL Cheatsheet is useful in many everyday scenarios. Developers use it during coding sessions to quickly process data without leaving the browser. It's also perfect for one-off tasks where installing a dedicated application would be overkill. Students and learners find it helpful for understanding how the underlying process works. Since it's web-based, you can use it from any device — desktop, laptop, tablet, or phone — without any setup.

Frequently Asked Questions

Is SQL Cheatsheet free to use?▾

Yes, SQL Cheatsheet is completely free with no usage limits, no account required, and no ads that block functionality. All features are available immediately.

Is my data safe when using SQL Cheatsheet?▾

Absolutely. All processing happens directly in your browser using JavaScript. Your data never leaves your device and is never sent to any external server. You can verify this by checking your browser's network tab.

Does SQL Cheatsheet work on mobile devices?▾

Yes, the tool is fully responsive and works on all modern browsers including Chrome, Firefox, Safari, and Edge on any device — desktop, tablet, or smartphone.

Do I need to install anything to use SQL Cheatsheet?▾

No installation is needed. SQL Cheatsheet runs entirely in your web browser. Just open the page and start using it immediately. There's no signup, no download, and no browser extension required.

Related Tools

SQL Formatter & Beautifier

Format and beautify SQL queries online for free. Automatic indentation and uppercase keywords.