Interesting stuff, thanks for sharing!

How did you decide to use an SQL-like query language rather than a declarative query language like Neo4j uses (Cypher query language)? What do you see as the pros and cons of that decision?

Do you have any plans currently to design an ETL tool to make extracting data from a RDBMS and loading into NebulaGraph easier?

I didn't see this in any of the documentation (though I did admittedly skim), but is there any sort of visual front-end built in? If not, do you have any plans to make one?