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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Star79.2k

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

UpdatedOct 7, 2025
Python

dbeaver /dbeaver

Star45.7k

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

UpdatedOct 7, 2025
Java

ClickHouse /ClickHouse

Star43.2k

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

UpdatedOct 7, 2025
C++

apache /spark

Star42k

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

python java r scala sql big-data spark jdbc

UpdatedOct 7, 2025
Scala

pingcap /tidb

Star39.1k

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

UpdatedOct 7, 2025
Go

DataExpert-io /data-engineer-handbook

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

data awesome sql bigdata dataengineering apachespark

UpdatedOct 7, 2025
Jupyter Notebook

duckdb /duckdb

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DuckDB is an analytical in-process SQL database management system

sql database analytics olap embedded-database

UpdatedOct 7, 2025
C++

drawdb-io /drawdb

Star33k

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 hacktoberfest oracle-database diagram-editor tailwindcss erdiagram

UpdatedOct 7, 2025
JavaScript

directus /directus

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Star32.9k

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

UpdatedOct 7, 2025
TypeScript

cockroachdb /cockroach

Star31.3k

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

UpdatedOct 7, 2025
Go

drizzle-team /drizzle-orm

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Star30.6k

Headless TypeScript ORM with a head. Runs on Node, Bun and Deno. Lives on the Edge and yes, it's a JavaScript ORM too 😅

nodejs mysql postgres typescript sql orm sqlite neon postgresql sqlite3 d1 mysql2 sqljs bunjs litefs turso libsql postgresjs vercel-postgres

UpdatedOct 7, 2025
TypeScript

sequelize /sequelize

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Star30.2k

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.