There are two different examples of SQL in SQL Server 1. DECLARE @Max_date_id varchar(10) SELECT @Max_date_id = MAX(date_id) FROM t_my_table SELECT @Max_date_id 2. DECLARE @Max_date_id varchar(10) = (SELECT MAX(date_id) FROM t_my_table) SELECT @Max_date_id How can I do the same thing in "Impala Query Manager"?
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