BNF Grammars for SQL-92, SQL-99 and SQL-2003

Query your data using familiar SQL or intuitive Piped Processing Language (PPL)

Data and scripts for learning along with the Socratica SQL series

A tool that converts codebases, SQL schemas, and other files into queryable knowledge graphs for AI coding assistants.

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

AI coding assistant skill (Claude Code, Codex, OpenCode, Cursor, Gemini CLI, and more). Turn any folder of code, SQL schemas, R scripts, shell scripts, docs, papers, images, or videos into a queryable knowledge graph. App code + database schema + infrastructure in one graph.

Free universal database tool and SQL client

DuckDB is an analytical in-process SQL database management system

Free, simple, and intuitive online database diagram editor and SQL generator.

Open-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

Dive into this repository, a comprehensive resource covering Data Structures, Algorithms, 450 DSA by Love Babbar, Striver DSA sheet, Apna College DSA Sheet, and FAANG Questions! 🚀 That's not all! We've got Technical Subjects like Operating Systems, DBMS, SQL, Computer Networks, and Object-Oriented Programming, all waiting for you.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.