Druid SQL is a very convenient interface that allows you to execute queries on Druid in SQL format. However, Druid Query in JSON format still provides powerful features that Druid SQL cannot provide (for example, when you want to export query results in orc format). The problem is that the more complicated the Druid Query…
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Currently, there are five types of Supported DB in Metatron Discovery. MySQL Hive PostgreSQL Presto Druid But you may need to connect to a DB other than those listed above. For example, Microsoft SQL Server. It is not so difficult if the DB you want to connect to provides a JDBC driver. Add the connection…
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Hello, users! This time we want to show you how to draw a dashboard using data stored in Presto! By default, Metatron Discovery relies on Druid to create charts. But when you cannot create charts you want using existing data source in Druid, that’s a way to use “Linked Datasource”. Below is a simple data…
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