In the sciences and elsewhere, the use of relational databases has become ubiquitous. An important challenge is finding hot spots of user interests. In principle, one can discover user interests by ...

Selecting Data with SQL Introduction As a data scientist, the SQL query you'll likely use most often is SELECT. This lesson introduces how to use SELECT to subset and transform the columns of a ...

Open Distro for Elasticsearch enables you to extract insights out of Elasticsearch using the familiar SQL query syntax. Use aggregations, group by, and where clauses to investigate your data.