---
title: "Neo4j 4.0 Released: The Popular Graph Database"
publication: "DB Weekly"
issue: 290
published_at: "2020-02-07"
canonical_url: "https://dbweekly.com/issues/290"
---

Plus more database news, views, and links.       

#290 — February 7, 2020 

[Read on the Web](https://dbweekly.com/issues/290)   

Database Weekly 

[![\](https://res.cloudinary.com/cpress/image/upload/w_1280,e_sharpen:60/ol8erkw66g6e3vcfx4dk.jpg)](https://neo4j.com/blog/neo4j-graph-database-4-0-ga-release/)   

[Neo4j 4.0 Released: The Popular Graph Database](https://neo4j.com/blog/neo4j-graph-database-4-0-ga-release/) — Neo4j is perhaps the most mature open source graph database out there and 4.0 takes a big step in making Neo4j _reactive_ and scalable, particularly in terms of supporting multiple databases within a cluster simultaneously. 

Jim Webber (Neo4j)   

[Couchbase Cloud: It's Managed Couchbase as a Service](https://blog.couchbase.com/introducing-couchbase-cloud/) — Couchbase, one of the earliest databases to be referred to as ‘NoSQL’ (but that has very little to do with _CouchDB_), has joined the long line of databases with an official, managed, cloud-based service with this week’s _beta_ announcement of _Couchbase Cloud_. 

Scott Anderson   [![\](https://copm.s3.amazonaws.com/d333bdd0.jpg)](https://www.cockroachlabs.com/blog/2020-cloud-report/?utm_campaign=cooperpress-2020-Q1&utm_source=dbweekly&utm_medium=newsletter&utm_content=blog-2020-cloud-report) 

[AWS v. Azure v. GCP: The 2020 Cloud Report](https://www.cockroachlabs.com/blog/2020-cloud-report/?utm_campaign=cooperpress-2020-Q1&utm_source=dbweekly&utm_medium=newsletter&utm_content=blog-2020-cloud-report) — AWS, Azure, and GCP were run through a gauntlet of 1,000+ microbenchmark experiments and TPC-C tests to determine which is the most performant, and affordable, cloud provider for transactional workloads. 

Cockroach Labs sponsor   

▶[The State of (Full) Text Search in PostgreSQL 12](https://www.youtube.com/watch?v=c8IrUHV70KQ) — A _fantastic_ 50 minute talk from FOSDEM covering the ins and outs of Postgres 12’s full text search capabilities. The audio is a little clippy here and there but there’s a _lot_ of great stuff packed into this talk and the [(very) detailed slides are here.](https://fosdem.org/2020/schedule/event/postgresql_the_state_of_full_text_search_in_postgresql_12/attachments/slides/4138/export/events/attachments/postgresql_the_state_of_full_text_search_in_postgresql_12/slides/4138/FTS.pdf) 

Jimmy Angelakos   

[Understanding NULL Values in SQL Queries](https://mitchum.blog/null-values-in-sql-queries/) — The concept of `NULL` values in SQL queries often causes trouble for developers and this post deftly explains their special status and how it can affect queries. 

Kaley Crum   

[PostgreSQL 12 Now Generally Available on Heroku](https://blog.heroku.com/posgtresql-12) — Heroku is perhaps the world’s biggest Postgres deployment. 

Heroku  

💻 Jobs  

[DevOps Engineer at X-Team (Remote)](https://x-team.com/remote-devops-engineer-jobs/?utm_source=cooperpress&utm_medium=email-ad&utm_campaign=db) — Work with the world's leading brands, from anywhere. Travel the world while being part of the most energizing community of developers. 

X-Team   

[Full Stack Engineer](https://we.are.expensify.com/) — Expensify seeks a self-driven individual passionate about making code effective, with an understanding of algorithms and design patterns. 

Expensify  

📄 And the rest..  

[Whaddya Mean, 'Niche'? Neo4j's Chief Scientist Schools Us On Graph Databases](https://www.theregister.co.uk/2020/02/05/graph_database_neo4j_chief_scientist/) — The always entertaining _The Register_ briefly speaks to Neo4j’s Dr Jim Webber about how the new Neo4j is able to scale and _“the inertia of developers who stick with SQL no matter what.”_ 

The Register   

[Querying MySQL From SQL Server using 'Linked Servers'](https://gunnarpeipman.com/mssql-mysql-linked-server/) — Did you know you can link external data sources to SQL Server with [Linked Servers](https://docs.microsoft.com/en-us/sql/relational-databases/linked-servers/linked-servers-database-engine?view=sql-server-ver15)? 

Gunna Peipman   

[Data Migrations Don’t Have to Come with Downtime](https://engblog.nextdoor.com/data-migrations-dont-have-to-come-with-downtime-eabc15893700) — Why Nextdoor re-architected their Redis set up to improve availability and resilience and how they kept things running during the move. 

Sameer Suresh   

[Learn MongoDB for Free - with Studio 3T](https://studio3t.com/academy/?utm_source=cooper&utm_medium=newsletter&utm_campaign=dbweeklyfeb7) — Learn the MongoDB basics in just two hours. Register for the free MongoDB course today. 

Studio 3T sponsor   

[A List of CLI Tools for Manipulating Structured Text Data](https://github.com/dbohdan/structured-text-tools) — A list of around 80 tools for working with DSV/CSV, XML, HTML, JSON, YAML, INI and other formats. 

Danyil Bohdan   

[SchemaSpy: Database Documentation Built Easy](http://schemaspy.org/) — An open source, Java-based tool that produces [documentation like this](http://schemaspy.org/sample/index.html) from most JDBC compliant DBMS. 

SchemaSpy   

[ODAT: An Oracle Database Attacking Tool](https://github.com/quentinhardy/odat) — An open source penetration testing tool for testing Oracle database security. 

Quentin Hardy   

[Redisson: A Redis Java Client with In-Memory Data Grid Features](https://redisson.org/) 

Redisson         

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