单选题
发布日期:2021-01-28
The statement would not execute because table aliases are not allowed in the JOIN clause.
The statement would not execute because the table alias prefix is not used in the USING clause.
The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.
The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
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