SQL

SQL stands for structured query language. It uses commands such as “select”, “insert”, “update”, “delete”. Some common relational database management systems that use SQL are: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, etc.

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bregman-arie /devops-exercises

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Star80.9k

Linux, Jenkins, AWS, SRE, Prometheus, Docker, Python, Ansible, Git, Kubernetes, Terraform, OpenStack, SQL, NoSQL, Azure, GCP, DNS, Elastic, Network, Virtualization. DevOps Interview Questions

python git linux docker kubernetes aws ansible devops sql azure containers terraform openstack interview prometheus coding sre interview-questions production-engineer

UpdatedDec 27, 2025
Python

dbeaver /dbeaver

Star48.6k

Free universal database tool and SQL client

mysql java gui sql database ai nosql jdbc sqlite postgresql oracle openai dbeaver erd redshift db2 sqlserver copilot

UpdatedFeb 7, 2026
Java

ClickHouse /ClickHouse

Star45.7k

ClickHouse® is a real-time analytics database management system

rust embedded sql database big-data ai analytics cpp clickhouse dbms self-hosted distributed olap cloud-native mpp hacktoberfest lakehouse

UpdatedFeb 7, 2026
C++

apache /spark

Star42.8k

Apache Spark - A unified analytics engine for large-scale data processing

python java r scala sql big-data spark jdbc

UpdatedFeb 7, 2026
Scala

DataExpert-io /data-engineer-handbook

Star40k

This is a repo with links to everything you'd ever want to learn about data engineering

data awesome sql bigdata dataengineering apachespark

UpdatedDec 15, 2025
Jupyter Notebook

pingcap /tidb

Star39.7k

TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.

mysql go sql database scale serverless distributed-transactions distributed-database cloud-native tidb hacktoberfest htap mysql-compatibility

UpdatedFeb 7, 2026
Go

duckdb /duckdb

Star35.9k

DuckDB is an analytical in-process SQL database management system

sql database analytics olap embedded-database

UpdatedFeb 7, 2026
C++

drawdb-io /drawdb

Star35.9k

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

react javascript svg editor sql sql-server sqlite postgresql mariadb indexeddb oracle-db erd database-schema oracle-database diagram-editor tailwindcss erdiagram

UpdatedFeb 7, 2026
JavaScript

directus /directus

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Star34.2k

The flexible backend for all your projects 🐰 Turn your DB into a headless CMS, admin panels, or apps with a custom UI, instant APIs, auth & more.

javascript mysql api graphql cms app node typescript sql database vue sqlite postgresql mariadb data-visualization mssql directus composable headless-cms no-code

UpdatedFeb 6, 2026
TypeScript

drizzle-team /drizzle-orm

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Star32.7k

ORM

nodejs mysql postgres typescript sql orm sqlite postgresql bunjs turso

UpdatedFeb 6, 2026
TypeScript

cockroachdb /cockroach

Star31.8k

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

go sql database distributed-database hacktoberfest cockroachdb

UpdatedFeb 7, 2026
Go

surrealdb /surrealdb

Star31k

A scalable, distributed, collaborative, document-graph database, for the realtime web

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UpdatedFeb 7, 2026
Rust

sequelize /sequelize

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Star30.3k

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 (v6), DB2 and DB2 for IBM i.