Cleaning data from a pizza restaurant and querying the data to evaluate sales trends in relation to time.

Apache Doris is an easy-to-use, high performance and unified analytics database.

Solutions for Advent of Code

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

OstroJS SQL ORM. Supports PostgreSQL, MySQL, MSSQL, SQLite and many more. OstroJS is ORM based database query using Model class. It's support relationship query buiilder.

The streaming database: redefining stream processing 🌊. PostgreSQL-compatible, highly performant, scalable, elastic, and reliable ☁️.

Essential Building Blocks for Scala

Distributed SQL transaction & query engine for data sharding, scaling, encryption, and more - on any database.

YTsaurus is a scalable and fault-tolerant open-source big data platform.

ClickHouse® is a free analytics DBMS for big data

TDengine is an open source, high-performance, cloud native time-series database optimized for Internet of Things (IoT), Connected Cars, Industrial IoT and DevOps.

A Support System

An open-source, cloud-native, distributed time-series database with PromQL/SQL/Python supported.

StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.

TuGraph Analytics is an OLAP graph database.

PySQL is database framework for Python (v3.x) Language, Which is based on Python module mysql.connector, this module can help you to make your code more short and more easier.

Codewars Kata Solutions

Utility to test Java code for SQL injection vulnerabilities.

HoraeDB is a high-performance, distributed, cloud native time-series database.

:bar_chart: Regional Internet Registry statistics in SQL format

World's most advanced database DevOps and CI/CD for Developer, DBA and Platform Engineering teams. The GitLab for database DevOps

Apache Flink

SQL

A unified streaming and historical data analytics database in a single binary, powered by ClickHouse.

Code Repository

This is a repository with solutions to LeetCode problems, mainly in Python and SQL. It contains an auto-generated table of all solutions with links to the solution, problem, and BigO time and memory analysis.

TiDB is an open-source, cloud-native, distributed, MySQL-Compatible database for elastic scale and real-time analytics. Try AI-powered Chat2Query free at : https://tidbcloud.com/free-trial

Use this repository to create SQL databases and complete SQL training assignments. [GERMAN]

Easy tools of document, image, file, network, data, color, and media.