SELECT [DISTINCT|ALL] ((expression [[AS] name])|(group identifier.STAR))*|STAR ...SELECT clause
SQL queries start with the SELECT keyword and are often referred to as "SELECT statements". Teiid supports most of the standard SQL query constructs.
Usage
Syntax Rules
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Aliased expressions are only used as the output column names and in the ORDER BY clause. They cannot be used in other clauses of the query.
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DISTINCT may only be specified if the SELECT symbols are comparable.