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Arango Weekly 30: New Performance Results & O’Reilly Article

Maybe you’ve noticed that there was no ArangoDB newsletter last week. So here’s the news of the last two weeks and the announcement that during the summer our NL will be biweekly. 🙂

In the meantime we’ve improved the performance of the shortest path implementation significantly and rerun the Multi-Model performance tests. The article Data modeling with multi-model databases – a use case for multi-model databases – was a huge success on O’Reilly Radar last week, it had the most page views of all Radar articles. It’s worth to read.

Finally, Mesosphere launched it’s SDK and developer program and we are proud to be one of the first partners that integrate into DCOS. Stay tuned, there will be more to come.

Keep an eye on our blog or follow us on Twitter for news about ArangoDB.

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Did you know?

Subqueries Wherever an expression is allowed in AQL, a subquery can be placed. A subquery is a query part that can introduce its own local variables without affecting variables and values in its outer scope(s).

It is required that subqueries be put inside parentheses ( and ) to explicitly mark their start and end points:

FOR u IN users
  LET recommendations = (
    FOR r IN recommendations
    FILTER u.id == r.userId
    SORT u.rank DESC
    LIMIT 10
    RETURN r
  RETURN { "user" : u, "recommendations" : recommendations }

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Frank Celler

Frank Celler

Frank is both entrepreneur and backend developer, developing mostly memory databases for two decades. He is the CTO and co-founder of ArangoDB. Try to challenge Frank asking him questions on C, C++ and MRuby. Besides Frank organizes Cologne’s NoSQL group & is an active member of NoSQL community.

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