OrientDB
Presto
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| OrientDB | Presto | |
|---|---|---|
| 3 | 14 | |
| 4,690 | 15,582 | |
| 0.5% | 0.8% | |
| 9.8 | 9.9 | |
| 4 days ago | about 16 hours ago | |
| Java | Java | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
OrientDB
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Graph Databases vs Relational Databases: What and why?
First, you need to choose a specific graph database platform to work with, such as Neo4j, OrientDB, JanusGraph, Arangodb or Amazon Neptune. Once you have selected a platform, you can then start working with graph data using the platform's query language.
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Database of Databases
OrientDB
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Any graph database with a future?
I think the best multi-modal with a high focus on their graph-side outside of Neo4j for the last few years has been OrientDB.
Presto
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Multi-Database Support in DuckDB
We have some of this functionality in Presto (https://github.com/prestodb/presto), but it takes fair bit of work to implement it for all the different backends.
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Rust std:fs slower than Python
Note that glibc has a similar problem in multithreaded contexts. It strands unused memory in thread-local pools, which grows your memory usage over time like a memory leak. We got lower memory usage that didn't grow over time by switching to jemalloc.
Example of this: https://github.com/prestodb/presto/issues/8993
- Ask HN: What are some SQL transpilers?
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Cheat sheet for quotes usage?
I look at the grammar. Here is preto's grammar which is mostly similar to other sql engines: https://github.com/prestodb/presto/blob/master/presto-parser/src/main/antlr4/com/facebook/presto/sql/parser/SqlBase.g4
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After a few recent events, opening a Linux terminal in public places is a big no-no
export MVNW_VERBOSE=true git clone https://github.com/prestodb/presto.git cd presto bash ./mvnw clean install
- presto: The official home of the Presto distributed SQL query engine for big data
- Compile the Minecraft Server (Java Edition) to Native with GraalVM Native Image
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What are y'all learning right now?
more specifically, recently started learning about Presto [paper], and have been diving deeper into [source] code.
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DeWitt Clause, or Can You Benchmark %DATABASE% and Get Away With It
Presto
- Let's write a compiler, part 5: A code generator
What are some alternatives?
JetBrains Xodus - Transactional schema-less embedded database used by JetBrains YouTrack and JetBrains Hub.
Trino - Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Flyway - Flyway by Redgate • Database Migrations Made Easy.
Apache Phoenix - Apache Phoenix
Crate - CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
Apache Calcite - Apache Calcite
jOOQ - jOOQ is the best way to write SQL in Java
HikariCP - 光 HikariCP・A solid, high-performance, JDBC connection pool at last.
MapDB - MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
Querydsl - Unified Queries for Java
Spring Data JPA - Simplifies the development of creating a JPA-based data access layer.