CREATE OR REPLACE VIEW v2 AS SELECT id , price * num as 总价 , num*1000 as 数量 from sheet1;
这个 num*1000 as 数量 创建的时候忘了创建,
现在把他添加到v2视图中?
CREATE OR REPLACE VIEW v2 AS SELECT id , price * num as 总价 , num*1000 as 数量 from sheet1;
这个 num*1000 as 数量 创建的时候忘了创建,
现在把他添加到v2视图中?
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alter view v2 as select id, price..., number...
其实很重新创建差不多。