update pay set no='000020' where no='000002'
Spark-SQL 源代码
汇集 Spark-SQL 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
alter table pay add constraint check_base check(base>=1500)
create default default_prof as '中级' go sp_bindefault 'default_prof','person.professor'
sp_helptext rule_prof
sp_help pay
alter table pay drop constraint check_base
create proc pro_calage @code char(6),@age int output as declare @birth varchar(4),@today varchar(4) select @birth=datenam…
update dept set deptno='00108' where deptno='00101'
use pay create table pay.dbo.dept (deptno varchar(10) not null unique, deptname varchar(20) not null …
select distinct professor from person