spark-instrumented-optimizer/docs/sql-ref-syntax-qry.md

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Spark supports SELECT statement that is used to retrieve rows from one or more tables according to the specified clauses. The full syntax and brief description of supported clauses are explained in SELECT section. The SQL statements related to SELECT are also included in this section. Spark also provides the ability to generate logical and physical plan for a given query using EXPLAIN statement.

• WHERE Clause
• GROUP BY Clause
• HAVING Clause
• ORDER BY Clause
• SORT BY Clause
• CLUSTER BY Clause
• DISTRIBUTE BY Clause
• LIMIT Clause
• JOIN
• Join Hints
• Set Operators
• TABLESAMPLE
• Table-valued Function
• Inline Table
• Common Table Expression
• Window Function
• EXPLAIN Statement