UPDATE person SET 分=ISNULL(substring(cast(金额 AS VARCHAR),LEN(金额),1),''''),
角=ISNULL(substring(cast(金额 AS VARCHAR),LEN(金额)-1,1),''''),
元=ISNULL(substring(cast(金额 AS VARCHAR),LEN(金额)-3,1),''''),
十=ISNULL(substring(cast(金额 AS VARCHAR),LEN(金额)-4,1),'''')
select 金额,十,元,角,分 from person
结果: