SELECT constraint_name
FROM information_schema.table_constraints
WHERE (constraint_type = 'primary key') AND (table_name = 'person')

得到約束名：aaaaaperson_PK

alter table tb
drop PK_tb --主鍵約束名
alter table person drop column sfz
exec sp_help '表名'就可以看到表結構

insert newtable select * from talbnemae 建表

mssql復制新表帶數據 SELECT * INTO kfzlhao FROM kfzl

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