The output of a SELECT statement is called results or a result set as it’s a set of data that results from a query. SELECT * - referred to as a 'select star statement' The query below selects customer ...

Next, I will start with the ETL process and application scenarios to explain why companies are willing to invest resources in ...

JavaScript is a sprawling and ever-changing behemoth, and may be the single-most connective piece of web technology. From AI ...

For a long time, companies have been using relational databases (DB) to manage data. However, with the increasing use of ...

HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...

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. Read ...