请问怎么将表1转换为表2哇,用SQL语句
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(select "一季度" as 季度, 一季度 as 值 from table) union (select "二季度" as 季度, 二季度 as 值 from table) union (select "三季度" as 季度, 三季度 as 值 from table) union (select "四季度" as 季度, 四季度 as 值 from table)
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