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sql 答案.sql
二、学生作业
1、在D盘建立test目录，所有操作都在此目录下。建表student，作完全备份；建表t1，做差异备份；建表t2，做日志备份；然后将表student、表t1，表t2全部删除，并恢复所有备份。再创建表t3，做t3的单独备份。
第一步:
exec sp_addumpdevice 'disk','myfback','d:\test\fb.bak'
exec sp_addumpd
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sql 注册.sql
www.eeworm.com/read/343026/11982700
sql 学号.sql
--创建自定义函数,得到新的ID
create function f_getid(
@YXDM varchar(3),
@zydm varchar(4)
)
returns int
as
begin
declare @re int
select @re=right(id,4) from(
select id=max(id) from tb where yx
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sql 饭卡.sql
www.eeworm.com/read/117969/14892363
sql an.sql
www.eeworm.com/read/114203/15065406
sql 排序.sql
select *
from loan
order by amount desc,loan_number asc;
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sql a.sql
select employee_name from works
where company_name='Downtown';
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sql 交集.sql
(select distinct customer_name
from depositor)
intersect
(select distinct customer_name
from borrower);
www.eeworm.com/read/114201/15065427
sql a.sql
select employee_name from works
where company_name='Downtown';