alter table byp3 rename to byp_2
rename byp_2 to byp3
create byp_2 as
select * from byp3
(在这里还可以给加个where限制条件直接取一个表格式或者取一部分数据就行)
drop byp3
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alter table byp3 rename to byp_2
rename byp_2 to byp3
create byp_2 as
select * from byp3
(在这里还可以给加个where限制条件直接取一个表格式或者取一部分数据就行)
drop byp3
转载于:https://blog.51cto.com/11504741/1770653