| layout | title | displayTitle | license |
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Data Retrieval |
Data Retrieval |
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
|
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.
- SELECT Statement
- WHERE Clause
- GROUP BY Clause
- HAVING Clause
- ORDER BY Clause
- SORT BY Clause
- CLUSTER BY Clause
- DISTRIBUTE BY Clause
- LIMIT Clause
- Common Table Expression
- Hints
- Inline Table
- File
- JOIN
- LIKE Predicate
- Set Operators
- TABLESAMPLE
- Table-valued Function
- Window Function
- CASE Clause
- PIVOT Clause
- LATERAL VIEW Clause
- EXPLAIN Statement