SQL: Alter table添加列及删除列
添加列:
alter table tableA add columnA bit null
删除列:
ALTER TABLE tableA drop column columnA
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添加列:
alter table tableA add columnA bit null
删除列:
ALTER TABLE tableA drop column columnA
本文来自博客园,转载请注明原文链接:https://www.cnblogs.com/keeplearningandsharing/p/15095332.html