SQL创建数据库、表、存储过程及调用

--如果存在数据库programmerPay  就删除
if exists (select * from sysdatabases where name='programmerPay')
drop database programmerPay
go
--创建数据库programmerPay
create database programmerPay
on primary
(
name ='programmerPay_data',
filename='D:\programmerPay\programmerPay_data.mdf',
maxsize=3mb,
filegrowth=15%
)
log on
(
name ='programmerPay_log',
filename='D:\programmerPay\programmerPay_log.ldf',
maxsize=1mb,
filegrowth=15%
)
go
use programmerPay
go
--创建表prowage
create table prowage
(
id int identity(1,1) not null,--主键 标识列
Pname char(10) not null,--程序员姓名
wage  int  not null--程序员工资
)
go
--为表prowage id 字段添加主键约束
alter table prowage
add constraint PK_id primary key(id)
--插入测试数据
insert into prowage (pname,wage)
values ('张三',5000)
insert into prowage (pname,wage)
values ('李四',1200)
insert into prowage (pname,wage)
values ('二月',1700)
insert into prowage (pname,wage)
values ('蓝天',5700)
insert into prowage (pname,wage)
values ('阳光',8700)
insert into prowage (pname,wage)
values ('神州',1100)
insert into prowage (pname,wage)
values ('曾经藏',1300)
insert into prowage (pname,wage)
values ('ruo',1200)
insert into prowage (pname,wage)
values ('chend',1400)
--如果存在存储过程proc_addWage1  就删除
if exists (select * from sysobjects where name='proc_addWage1')
drop procedure proc_addWage1
go
--创建存储过程proc_addWage1
create procedure proc_addWage1
as
set nocount on
declare @firstwage  int
select @firstwage=sum(wage) from prowage
while (1=1)
    begin
          declare @notpass int, @count int--定义两个变量 没达到2200的人数和总人数
          select @notpass=count(*) from prowage where wage<2200
          select @count =count(*) from prowage
       if(@notpass*