Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
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Updated
Jul 25, 2025 - Java
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
⛈️ RumbleDB 1.23.0 "Mountain Ash" 🌳 for Apache Spark | Run queries on your large-scale, messy JSON-like data (JSON, text, CSV, Parquet, ROOT, AVRO, SVM...) | No install required (just a jar to download) | Declarative Machine Learning and more
Helper library for building and running advanced and dynamic queries using JPA in Spring Boot.
The Apache Storm implementation of the Bullet backend
Tiny Database: Query Engine, Storage Engine, Calcite, ANTLR
A semantic and technical analysis of musical scores based on Information Retrieval Principles
A real-time distributed OLAP engine
DBest is an interactive database engine designed for creating, visualizing, and executing query plans. This engine enables users to design query execution plans through an intuitive drag-and-drop interface, making it easier to understand query execution, optimize performance, and integrate diverse data sources.
This is a database query evaluator project as part of my university of edinburgh coursework.
Query Engine in Java with Vectorized and Data Driven Code Generation and Arrow & Parquet support
An advanced form of the previously implemented search Engine which acts as a information retrieval system over the cranfield collection of the 1400 documents and also makes use of the stemmer algorithm. Other things are pretty much the same as the previously implemented SearchEngine project.
Project for Information Retrieval - CMSC 676
This application is a proof of concept. I have always wondered how data mining could be done with Java without the direct use of an API. I also wanted to learn more about MongoDB, and NoSQL, as well. This application takes a ticker symbol from the user and scrapes some data from the following URL, like so: http://finance.yahoo.com/quote/${ticker…
OMQ: An IoT data stream query engine on oneM2M-based middleware
An Incomplete DataFusion Query Engine implemeted in Java
Crawler based search engine that demonstrates the main features of a search engine (web crawling, indexing and ranking) and the interaction between them.
Boolean Query engine based on Postings Lists implementing term-at-a-time and document-at-a-time query processing.
A GUI-enabled DBLP query engine application written in Java, Swing
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