SQL Cheat Sheets

Every SQL cheat sheet in one place - core window functions, platform-specific syntax (Snowflake, Databricks), and SQL interview prep. Each sheet is runnable, snippet-heavy, and updated for 2026.

Core SQL

• SQL Window Functions - ranking, running totals, lead/lag, frame specs, partitioning
• Snowflake SQL - QUALIFY, VARIANT, FLATTEN, time travel, MERGE

Platform-specific SQL

• Databricks Cheat Sheet - Photon, Delta Lake DML, MERGE, Unity Catalog

SQL for interviews

• Top 25 SQL Interview Questions - worked answers with patterns
• Data Engineering Interview Questions - includes SQL sections

Related tools

Use the SQL formatter to pretty-print queries and the JSON-to-SQL converter to generate CREATE TABLE DDL.

Related categories

Explore cloud platform cheat sheets, orchestration, and the full cheat sheet library.

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