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SELECT can be used not only as an independent statement, but also as a clause in other statements, for exampleINSERTINTO...SELECT...;. SELECT can also be used in asubquerywithin a statement. In many cases, when you use a column alias for an expression (i.e.exprAScol_alias) in other...
In each row produced by the subquery, the value in source_col_name must be compatible with the data type of the corresponding target_col_name. This rule applies even to rows that would be filtered out by the condition in the WHEN clause. The order of operations does not guarantee that th...
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In the second solution, a temporary data set is created using a subquery with a left join in the from clause, and then that temporary data set is used for the update.update table_x set column_x = column_y from ( select table_x.join_column, column_y from table_x left join table_y...
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NULL Values Sort First in Descending Mode (DESC) Using the Nulls Last Command Major Sort vs. Minor Sort Multiple Sort Keys using Names vs. Numbers An Order By That Uses an Expression Sorts are Alphabetical, NOT Logical Using A Valued CASE Statement to Sort Logically ...
BitwiseNot BitwiseOr BitwiseXor CaseWhen Cast(child, t, _) Coalesce If MakeDecimal ScalarSubquery ShiftLeft ShiftRight SortOrder UnscaledValue Relational Operators Aggregate functions and group-by clauses Distinct Filters In InSet Joins Limits Projections Sorts (ORDER BY) Union and Union All Window fun...
This query must be specified last in the CTAS statement, regardless of the other parameters that you include. For CREATE TABLE … USING TEMPLATE, specifies the subquery that calls the INFER_SCHEMA function and formats the output as an array. Alternatively, USING TEMPLATE accepts the INFER_SCHEMA...
INTO object_name column_list_in_parentheses? ( values_builder | query_statement ) ; insert_multi_table_statement : INSERT OVERWRITE? ALL into_clause2 | INSERT OVERWRITE? (FIRST | ALL) (WHEN predicate THEN into_clause2+)+ (ELSE into_clause2)? subquery ; into_clause2 : INTO...