maropu commented on a change in pull request #29056:
URL: https://github.com/apache/spark/pull/29056#discussion_r456171685
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File path: docs/sql-ref-syntax-qry-select.md
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@@ -74,6 +86,10 @@ SELECT [ hints , ... ] [ ALL | DISTINCT ] { named_expression
[ , ... ] }
An expression with an assigned name. In general, it denotes a column
expression.
**Syntax:** `expression [AS] [alias]`
+
+ * **FROM**
+
+ Specific the data set to be selected.
Review comment:
We don't need this part because `**from_item*` looks enough.
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