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Here's a look at different ways to query Hadoop via SQL, ... Some data-insertion functions are supported, but they’re still very basic: You can’t perform updates, only inserts.
Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.
Based on this data, write an SQL query to answer the following question: {query}. Return the SQL only, do not include explanations.” The following function creates a query in that type of format ...
Probably for a query that your application runs occasionally, in-memory processing of JSON data might still be an option. In general, though, querying through JSON-dedicated functions and letting SQL ...
SQL Basics I: Data Queries—covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate functions.
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