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「alter table add columns」的推薦目錄:
alter table add columns 在 Is it bad practice to add columns to an existing table? - DBA ... 的推薦與評價
ALTER TABLE is there for a reason. More seriously, unless you plan to have a really big data set, you shouldn't worry about adding new columns on demand. ... <看更多>
alter table add columns 在 Alter Table Add Column Syntax - Stack Overflow 的推薦與評價
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