Apache Spark - A unified analytics engine for large-scale data processing - spark/docs/sql-ref-syntax-qry-select-where.md at master · apache/spark ...

Spark supports a SELECT statement and conforms to the ANSI SQL standard. Queries are used to retrieve result sets from one or more tables. The following section describes the overall query syntax and ...

But, if you specify select * from connection to remote (select employee_title as title, avg (employee_years), freq (employee_id) from sql.employee group by title order by title); ...

In this paper, as a new application of PLAS, we propose an SQL syntax description problem (SDP) for understanding basic syntax of SQL database programming for novice students to perform queries ...

In a recent paper titled "SQL Has Problems. We Can Fix Them", a research team at Google proposed the introduction of a new Pipe Syntax in SQL. Google's solution to address perceived limitations in ...

Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

An effective approach thus should take the structural feature of SQL statements into account when modeling their contextual information.In this paper, we present a novel abstract syntax tree-based ...