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/****************2创建数据库*******************/use mastergoif exists (select * from sysdatabases where name='bankDB')--检查系统中是否已存在数据库atmdrop database bankDB --如果存在则删除goexec xp_cmdshell 'mkdir G:\二期学习\SQL Server\bank' ,no_output--调用DOS命令创建文件夹create database bankDB --新建数据库on primary  --主文件(name = 'atm_data', --逻辑名称filename='G:\二期学习\SQL Server\bank\bankDB_data.mdf', --物理名称size=10 , --初始大小filegrowth=15%  --增长率)log on --日志文件(name='atm_log', --逻辑名称filename='G:\二期学习\SQL Server\bank\bankDB_log.ldf',--物理名称size=1 , --初始大小filegrowth=10% --增长率)go/**********************3建表***********************/use bankDBgo-------------------1用户信息表userInfo------------------if exists (select * from sysobjects where name='userInfo')drop table userInfogocreate table userInfo(customerID  int identity(1,1) not null,--顾客编号，自动编号（标识列),从1开始,主键customerName varchar (8) not null ,--开户名PID varchar(18) not null,--身份证号,必填，只能是18位或15位，身份证号唯一约束telephone varchar(18) not null,--联系电话,必填，格式为xxxx-xxxxxxxx或手机号13位address varchar(20)--居住地址,可选输入)--------------------2银行卡信息表cardInfo------------------if exists (select * from sysobjects where name='cardInfo')drop table  cardInfogocreate table cardInfo(cardID char (19) not null,--卡号，必填，主健,银行的卡号规则和电话号码一样，一般前8位代表特殊含义假定该行要求其营业厅的卡号格式为：1010 3576 xxxx xxx开始,每4位号码后有空格，卡号一般是随机产生.curType  char(4) not null, --货币种类 savingType char(8), --存款类型活期/定活两便/定期openDate datetime not null,--开户日期 openMoney money not null, --开户金额 balance money not null, --余额  pass int  not null ,--密码  IsReportLoss bit  not null, --是否挂失  customerID int not null --顾客编号 )go------------------3交易信息表transInfo -------------------if exists (select * from sysobjects where name='transInfo')drop table  transInfogocreate table transInfo(transDate  datetime not null,--交易日期，必填，默认为系统当前日期cardID char (19) not null,--卡号，必填，外健，可重复索引transType  char(8) not null,--交易类型，必填，只能是存入/支取transMoney money not null,--交易金额，必填，大于0remark text--备注，可选输入，其他说明)go/************************4添加约束*****************************/-----------------------1用户信息表userInfo 添加约束----------------主键约束customerID 顾客编号自动编号（标识列）if exists (select * from sysobjects where name='pr_customerID')alter table userInfodrop constraint pr_customerIDalter table userInfoadd constraint pr_customerID primary key (customerID)--检查约束customerID 身份证号只能是18位或15位if exists (select * from sysobjects where name='ck_PID')alter table userInfodrop constraint ck_PIDalter table userInfoadd constraint ck_PID check (PID like '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]'or PID like '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9,x]')--唯一约束customerID身份证号 if exists (select * from sysobjects where name='uq_PID')alter table userInfodrop constraint uq_PIDalter table userInfoadd constraint uq_PID  unique(customerID)--检查约束telephone电话号码格式为xxxx-xxxxxxxx或手机号13位if exists (select * from sysobjects where name='ck_telephone')alter table userInfodrop constraint ck_telephonealter table userInfoadd constraint ck_telephone check (telephone like '1[3,5][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]' ortelephone like '[0][0-9][0-9][0-9]-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]' ortelephone like '[0][0-9][0-9]-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]' )--(len(telephone)-13 or telephone like [0-9][0-9][0-9][0-9]-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]) -----------------2银行卡信息表cardInfo 添加约束--------------------主键约束 cardID 卡号if exists (select * from sysobjects where name='pr_cardID')alter table cardInfodrop constraint pr_cardIDalter table cardInfoadd constraint pr_cardID primary key (cardID)--检查约束 cardID 卡号格式为：1010 3576 xxxx xxx开始if exists (select * from sysobjects where name='ck_cardID')alter table cardInfodrop constraint ck_cardIDalter table cardInfoadd constraint ck_cardID check (cardID like '1010 3576 [0-9][0-9][0-9][0-9] [0-9][0-9][0-9][0-9]')--检查约束  存款类型活期/定活两便/定期if exists (select * from sysobjects where name='ck_savingType')alter table cardInfodrop constraint ck_savingTypealter table cardInfoadd constraint ck_savingType check (savingType in('活期','定活两便','定期'))--默认约束 curType货币种类默认RMBif exists (select * from sysobjects where name='df_curType')alter table cardInfodrop constraint df_curTypealter table cardInfoadd constraint df_curType default ('RMB') for curType --默认约束 openD***日期默认为系统当前日期if exists (select * from sysobjects where name='df_openDate')alter table cardInfodrop constraint df_openDatealter table cardInfoadd constraint df_openDate default (getdate()) for openDate--检查约束 openMoney开户金额不低于1元if exists (select * from sysobjects where name='ck_openMoney')alter table cardInfodrop constraint ck_openMoneyalter table cardInfoadd constraint ck_openMoney check (openMoney>=1)--检查约束 balance余额不低于1元,否则将销户if exists (select * from sysobjects where name='ck_balance')alter table cardInfodrop constraint ck_balancealter table cardInfoadd constraint ck_balance check (balance>=1)--检查约束 pass密码为6位if exists (select * from sysobjects where name='ck_pass')alter table cardInfodrop constraint ck_passalter table cardInfoadd constraint ck_pass check (len(pass)=6)--默认约束 pass密码默认888888if exists (select * from sysobjects where name='df_pass')alter table cardInfodrop constraint df_passalter table cardInfoadd constraint df_pass default (888888) for pass--默认约束 IsReportLoss 是否挂失  是/否值，默认为”否”if exists (select * from sysobjects where name='df_IsReportLoss')alter table cardInfodrop constraint df_IsReportLossalter table cardInfoadd constraint df_IsReportLoss default (0) for IsReportLoss --检查约束  IsReportLoss 是否挂失  只能为是/否值 if exists (select * from sysobjects where name='ck_IsReportLoss')alter table cardInfodrop constraint ck_IsReportLossalter table cardInfoadd constraint ck_IsReportLoss check (IsReportLoss in (1,0))--外键约束 customerID 表示该卡对应的顾客编号,一位顾客允许办理多张卡号if exists (select * from sysobjects where name='fr_customerID')alter table cardInfodrop constraint fr_customerIDalter table cardInfoadd constraint fr_customerID foreign key (customerID) references userInfo(customerID) ------------------3交易信息表transInfo 添加约束-----------------默认约束 transDate交易日期，默认为系统当前日期if exists (select * from sysobjects where name='df_transDate')alter table transInfo drop constraint df_transDatealter table transInfo add constraint df_transDate default (getdate()) for transDate--外键约束 cardID 卡号if exists (select * from sysobjects where name='pr_cardID2')alter table transInfo drop constraint pr_cardID2alter table transInfo add constraint pr_cardID2foreign key (cardID) references  cardInfo(cardID)--检查约束 transType 交易类型只能是存入/支取if exists (select * from sysobjects where name='ck_transType')alter table transInfodrop constraint ck_transTypealter table transInfoadd constraint ck_transType check (transType in('存入','支取'))--检查约束 transMoney 交易金额大于0if exists (select * from sysobjects where name='ck_transMoney')alter table transInfodrop constraint ck_transMoneyalter table transInfoadd constraint ck_transMoney check (transMoney>0)/*********************5插入数据*******************************/---------------1测试插入 userInfo 用户信息表和 cardInfo银行卡信息表数据------insert userInfo (customerName, PID ,telephone, address)values  ( '张三','123456789012345','010-67898978','北京海淀' )insert cardInfo (cardID ,savingType ,openMoney,balance,customerID)values ('1010 3576 1234 5678','活期',1000,1000,@@identity)insert userInfo (customerName, PID ,telephone)values('李四','321245678912345678','0478-44443333')insert cardInfo (cardID ,savingType ,openMoney,balance,customerID)values ('1010 3576 1212 1134','定期',1 ,1 ,@@identity)-- delete  from cardInfo  delete  from userInfo -----------------2测试手动取款交易插入交易信息表transInfo数据----------------测试1 手动添加交易表信息,更新卡号信息表中的数据declare @cardid  char(19)--定义变量 @cardid 卡号select @cardid=cardid from cardInfo --从userInfo用户表中获取客户为张三的卡号cardidwhere customerID=(select customerID from userInfo where customername='张三')insert into transinfo (transtype,cardid,transmoney)values ('支取',@cardid,900)--向交易信息表transInfo插入数据：张三支取 900元卡号为@cardid update cardinfo set balance =balance-900 --更改 cardInfo银行卡信息表张三余额balance 减去900where customerID =(select customerID from userInfo where customername='张三')--测试2  手动添加交易表信息,更新卡号信息表中的数据declare @cardid2  char(19)--定义变量 @cardid 卡号select @cardid2=cardid from cardInfo  --从userInfo用户表中获取客户为李四的卡号cardidwhere customerID=(select customerID from userInfo where customername='李四')insert into transinfo (transtype,cardid,transmoney)values ('存入',@cardid2,5000)--向交易信息表transInfo插入数据：李四存入 5000元卡号为@cardid2 update cardinfo set balance =balance+5000 --更改 cardInfo银行卡信息表李四余额balance 增加5000where customerID =(select customerID from userInfo where customername='李四') /******************************6常规业务模拟***************************/----------------------6.1修改密码----------------------------说明*修改张三(卡号为 1010 3576 1234 5678) 银行卡号密码为123456update  cardInfo set pass=123456 where customerid=(select customerid from userInfo where customername='张三')--说明*修改李四(卡号为 1010 3567 1212 1134) 银行卡号密码为123123update  cardInfo set pass=123123where customerid=(select customerid from userInfo where customername='李四') select * from cardInfo--2银行卡信息表：cardInfo ------------------------6.2挂失帐号------------------------------说明*李四 (卡号为1010 3567 1212 1134) 因银行卡丢失,申请挂失--说明*修改张三(卡号为 1010 3576 1234 5678) 银行卡号密码为123456update  cardInfo set pass=123456 where customerid=(select customerid from userInfo where customername='张三')--说明*修改李四(卡号为 1010 3567 1212 1134) 银行卡号密码为123123update  cardInfo set pass=123123where customerid=(select customerid from userInfo where customername='李四')select * from cardInfo--2银行卡信息表：cardInfo ------------------------6.3统计银行的支金流通余额和盈利结算------------说明*存入代表资金流入,支取代表资金流出--declare @inMoney money--select @inMoney- sum(transMoney) from transInfo where (transType-'存入')-sum(transMoney) from transinfo where transType-'支取')--错误不要了declare @inMoney money--定义变量总存入量,@outMoney money--定义变量总支取量select @inMoney= sum(transMoney) from transInfo where (transType='存入')--从银行卡信息表获取总存入量select @outMoney=sum(transMoney) from transInfo where (transType='支取')--从银行卡信息表获取总存入量--资金流通金额-总存入量-总支取量print '银行流通余额总计为'+convert(varchar(20),@inMoney-@outMoney)+'RMB'--盈利结算-总支取量*0.008-总存入量*0.003print '盈利结算为'+left(convert(varchar(10),@outMoney*0.008-@inMoney*0.003),4)+'RMB' --------------------------6.4查询本周开户的卡号-----------------------/*declare @xtday datetimeset @xtday- datepart(dw,getdate())declare @a datetime select  @a-openDate from cardInfo where cardID-'1010 3576 1212 1134'print datediff (weekday,@a,getdate())print datediff (dd,@a,getdate())print @xtday print datepart(dw,getdate())-1*/--print '本周开户的卡号信息如下:'--错误的--select cardID from cardInfo --where datediff(day,datepart(weekday,opendate),datepart(weekday,getdate()))<7--错了--where datename(dw,opendate)-datename(dw,getdate()) and month(openDate)-month(getdate())and year(openDate)-year(getdate())--同一天的--显示样式1print '本周开户的卡号信息如下:'select cardID from cardInfo where datediff (dd,opendate,getdate())<-(datepart(dw,getdate())-1)select * from cardInfo --显示样式2print '本周开户的卡号信息如下:'declare @temp int select 客户姓名=customerName,联系电话=telephone ,开户金额=openMoney,开户日期=opendate from userInfo innerjoin cardinfo on  userinfo.customerID=cardinfo.customerID where datediff(dd,opendate,getdate())<=(datepart(dw,getdate())-1)select * from cardinfoselect datepart(dw,getdate())-1  --求出当前周几select datediff(dd,opendate,getdate()) from cardinfo--函数第1个参数放天数,第2个参数填写列中字段,第3个是当前日期(求出2个日期之间的差值)  ------------------------6.5查询本月交易金额最高的卡号-----------------print '本月交易金额最高的卡号'select distinct cardID from transinfo where transMoney=(select  max(transMoney) from transinfo) --交易金额最高and datediff(Month,transDate,getdate())=0--本月print '本月交易金额最高的卡号'select distinct cardID from transInfo where transMoney = (select max(transMoney) from transInfowhere datediff(Month,transDate,getdate()) = 0)and datediff(Month,transDate,getdate()) = 0/*select cardID ,max(select sum(transMoney) from transInfo where datediff(Month,transDate,getdate()) = 0 group by cardID) from transInfo*/------------------------6.6查询挂失帐号的客户信息 ------------------1用子查询方法print '查询挂失帐号的客户信息 'select 客户姓名=customerName ,联系电话=PID from  userInfowhere customerID in(select customerID from cardInfo where IsReportLoss=1)--2内部连接方法print '查询挂失帐号的客户信息 'select 客户姓名=customerName ,联系电话=PID from  userInfoinner join cardInfo on cardInfo.customerID =userInfo.customerID where IsReportLoss=1-----------------------6.7催款提醒业务-----------------------------print '每个月帐上余额少于200元的客户致电催款'select 客户姓名=customerName ,联系电话=PID ,帐户余额=balancefrom  userInfo inner join cardInfo on cardInfo.customerID =userInfo.customerIDwhere balance<200 and datediff(Month,openDate,getdate())=0/*********************7创建索引和视图*****************************/----------------------7.1.1创建交易表cardID字段索引,加快查询速度------if exists (select * from sysindexes where name='ix_transInfo_cardid')--判断索引是否存在drop index transInfo.ix_transInfo_cardid--如果存在则删除--drop index  ix_transInfo_cardid--错误gocreate NONCLUSTERED index  ix_transInfo_cardid--交易表on transInfo(cardid)--按cardID字段索引with fillfactor =70--索引因子go----------------------7.1.2测试按索引查询---------------------------------print '按索引查询'select * from transInfo   (index=ix_transInfo_cardid)where cardID=(select cardID from cardInfo where customerID =(select customerID from userInfo where customername='张三'))select * from transInfo   (index=ix_transInfo_cardid)where cardID='1010 3576 1212 1134'----------------------7.2创建视图，向用户展示友好界面,创建中文字段视图--------------7.2.1 userInfo表的视图if exists (select * from sysobjects where name='view_userInfo')drop view view_userInfogocreate view view_userInfoas select 客户编号=customerID,开户名=customerName ,身份证号=PID,电话号码= telephone,居住地址=address  from userInfogoselect * from view_userInfo--查看视图--7.2.2 cardInfo 表的视图if exists (select * from sysobjects where name='view_cardInfo')drop view view_cardInfogocreate view view_cardInfoas select 卡号=cardID,货币种类=curType,存款种类=savingType,开户日期=openDate,余额=balance ,密码=pass,是否挂失=IsReportLoss,客户编码=customerIDfrom cardInfogoselect * from view_cardInfo--查看视图--7.2.3 transInfo表的视图if exists (select * from sysobjects where name='view_transInfo')drop view view_transInfogocreate view view_transInfoas select 交易日期=transDate,交易类型=transType,卡号=cardID,交易金额=transMoney,备注=remarkfrom transInfo goselect * from view_transInfo--查看视图/**************************8创建触发器******************************/if exists (select * from sysobjects where name='trig_transInfo_insert')drop trigger trig_transInfo_insertgocreate trigger trig_transInfo_inserton transInfofor insertas--定义变量：@cardID 交易卡号,@transMoney  交易金额,@transType 交易类型,　@balance 交易前余额 @newbalance交易后余额declare @cardID  char(19),@transMoney money,@transType char(8),@balance money,@newbalance money--获取要交易的　交易卡号　交易金额　交易类型select @cardID =cardID ,@transMoney=transMoney,@transType=transType from inserted--获取交易前的余额select @balance=balance from cardInfo where cardID=@cardID  if  not exists (select * from cardInfo where cardID=@cardID)--???没起作用 begin raiserror ('没有该用户',16,1) rollback tran return end --嵌套if 首先判断交易类型,如果是支取再判断余额是否足够交易if (@transType='存入') begin  print '交易正在进行中,请稍候....'  update cardInfo set balance=@balance+@transMoney where cardID=@cardID  print '存储成功,存储金额为'+convert(varchar(20),@transMoney)  --方法1  SELECT @newbalance=balance from cardInfo where cardID=@cardID  PRINT '卡号'+convert(varchar(19),@cardID)+'目前余额'+convert (varchar(8),@newbalance)  --方法2  --print '卡号'+convert(varchar(19),@cardID)+'目前余额'+convert (varchar(8),@balance+@transMoney)--对的   endelse if (@transType='支取') begin    if(@balance-@transMoney<1)   begin     raiserror('支取失败，余额不足',16,1)    print '卡号'+convert(varchar(19),@cardID)+'目前余额'+convert (varchar(8),@balance)    rollback  tran--回滚事务，取消交易       end   else    begin     print '交易正在进行中,请稍候....'    update cardInfo set balance=@balance-@transMoney where cardID=@cardID    print '支取成功,支取金额为:'+convert(varchar(20),@transMoney)    --方法1    SELECT @newbalance=balance from cardInfo where cardID=@cardID    PRINT '卡号'+convert(varchar(19),@cardID)+'目前余额'+convert (varchar(8),@newbalance)    --方法2    --print '卡号'+convert(varchar(19),@cardID)+'目前余额'+convert (varchar(8),@balance-@transMoney)--对的   end   endgo--8.2.1测试触发器：存入declare @cardID2 char (19)select @cardID2=cardID from cardInfo where customerID=(select customerID from userInfo where customername='李四')if  not exists (select * from cardInfo where cardID=@cardID2) begin  raiserror ('没有该用户',16,1)  return end insert into transInfo(cardID,transType, transMoney)values (@cardID2,'存入',100)--8.2.2测试触发器：支取declare @card char(19)select @card=cardID from cardInfo Inner join userinfo on cardInfo.customerID  =userInfo.customerID   where customername='张三'if  not exists (select * from cardInfo where cardID=@card) begin  raiserror ('没有该用户',16,1)  return end insert into transInfo(cardID,transType, transMoney  )values (@card,'支取',200) /*************************10创建存储过程*****************************/--------------------------10.1取钱或存钱的存储过程-------------------if exists (select * from sysobjects where name='proc_takeMoney')drop procedure proc_takeMoneygocreate procedure proc_takeMoney @IDcard char(19),--交易卡号 @m money,--交易金额 @type char(8),--交易类型 @inputpass char(6)=' '--取款密码asif (@inputpass<>(select pass from  cardInfo where cardID=@IDcard))--判断密码是否相符 begin   raiserror ('密码错误,请核实',16,1)    return  end if  not exists (select * from cardInfo where cardID=@IDcard)--判断用户信息表中是否存在取钱或存钱的用户 begin  raiserror ('没有该用户',16,1)  return end insert transInfo (cardID,transType,transMoney) values (@IDcard,@type,@m)insert into transInfo values(default,@IDcard,@type,@m,default)go--测试：调用取钱或存钱的存储过程declare @card char(19)select @card=cardID from cardInfowhere customerID =(select customerID from userInfo where customername='张三')exec proc_takemoney @card,300,'支取','123456'--调用过程，执行取钱godeclare @card2 char(19)select @card2=cardID from cardInfowhere customerID =(select customerID from userInfo where customername='李四')exec proc_takemoney @card2,300,'存入','123123'--调用过程，执行存钱go--------------------10.2产生随机卡号的存储过程proc_randCardID------------------说明*银行卡号共１９位（４位移组，中间用空格隔开），--对于某个银行，前８个数字是固定的,前８位固定数字设置为1010 3576--后面８个数字是固定的，后面的８个数字要求随机的，并且唯一的，--随机种子＝当前月份数*10000＋当前的秒数*1000+当前的毫秒数--产生了０～１的随机数后，取小数点后８位，即: 0.xxxxxxxxif exists (select * from sysobjects where name='proc_randCardID')drop procedure proc_randCardIDgocreate procedure proc_randCardID@randCardID char(19)  output,@id char(10)='1010 3576' --前8位as declare @r numeric(15,8)--15位数，保留8位小数---随机数declare @tempStr  char (10)select @r=rand((datepart(mm,getdate())*100000)+(datepart(ss,getdate())*1000)  +datepart (ms,getdate()))--随机数set @tempStr=convert(char(10),@r)--随机数　转换类型set @randCardID=@id+''+substring(@tempStr,3,4)+' '+substring(@tempStr,7,4) go--测试：调用随机卡号的存储过程declare @mycardID char(19)execute proc_randCardID @mycardID output--执行存储过程print '产生的随机卡号为:'+@mycardIDgo------------------10.3开户的存储过程proc_openAccount--------------------if exists (select * from sysobjects where name='proc_openAccount')drop procedure proc_openAccount--如果开户存储过程则删除gocreate procedure proc_openAccount--创建开户存储过程--输入参数@customerName char(8),--客户姓名@PID char(18),--身份证@telephone char(13),--电话号码@openMoney money,--开户金额@savingType char(8),--开户类型@address varchar(50)=''--地址asdeclare @mycardID_2  char(19)--卡号,@openDate datetime--开户时间execute proc_randCardID @mycardID_2 output--调用随机卡号存储过程产生卡号while exists (select * from cardINfo where cardID=@mycardID_2)--如果存在则重新产生新号execute proc_randCardID @mycardID_2 output--产生随机卡号--向用户表　userInfo　插入开户　客户姓名，身份证，电话号码，地址insert into userInfo  values (@customerName,@PID,@telephone,@address)declare @cur_customerId int--顾客编号select @cur_customerId=customerID from userInfo where PID=@PID --获取新开户顾客编号--向银行卡信息表 cardInfo 插入数据卡号，存款类型，余额，顾客编号insert into cardInfo(cardID,savingType,openMoney,balance,customerID)values (@mycardID_2,@savingType,@openMoney,@openMoney,@cur_customerId)--方法１：子查询　得到　开户用户的开户时间select distinct @openDate=openDate from cardinfo where  customerID = (select customerID from userinfo where customername=@customerName and customerID=@@identity)--方法２:用内连接查询　得到　开户用户的开户时间select distinct @openDate=openDate from cardinfo inner join userinfo on userinfo.customerID =cardinfo.customerID  where  customername=@customerName--方法３：用变量 @cur_customerId 得到开户用户的开户时间select distinct @openDate=openDate from cardinfo where  customerID = @cur_customerId--开户成功后-显示信息print ''print '尊敬的客户：'+@customerNameprint '恭喜您开户成功!'print '系统为您产生的随机卡号为'+convert(varchar(19),@mycardID_2)print '开户日期'+convert(varchar(10),@openDate,111)+'  开户金额:'+convert(varchar(10),@openMoney)+'元'go--测试调用开户的存储过程proc_openAccountexecute proc_openAccount '王','334456889012678','0000-63598978',100,'活期','河南新乡'execute proc_openAccount @customername='赵',@PID ='213445789123422222',@teleph,@openMoney=1,@savingType='定期'/**********************11创建事务利用事务,模拟银行转账功能*************/if exists (select * from sysobjects where name='proc_transfer')--判断存储过程是否存在drop procedure proc_transfer--如果存在则删除gocreate procedure proc_transfer--创建存储过程--输入参数@card1 char(19),--支取卡号@card2 char(19),--存入卡号@transMoney money--交易金额as begin tran --开始事务if  not exists (select * from cardInfo where cardID=@card1) or  not exists (select * from cardInfo where cardID=@card2)--判断用户是否存在 begin raiserror ('没有该用户，请核实',16,1) rollback tran--回滚事务 return end declare @errors int     set @errors=0declare @balance moneyselect @balance=balance from cardInfo where cardID=@card1--从银行信息表获取支取客户的余额insert into transInfo (transType,cardID,transMoney )values ('支取',@card1,@transMoney)--存在insert触发器set @errors=@errors+@@errorinsert into transInfo (transType,cardID,transMoney )values ('存入',@card2,@transMoney)set @errors=@errors+@@errorif (@errors>0 or @balance-@transMoney<1)--判断支取用户余额是否大于将要转出的金额 begin  print'转账失败，回滚事务'--此句没有作用了  rollback tran--回滚事务 endelse  begin  commit tran--提交事务  print '转账成功'  endgo --测试转账事务存储过程模拟从李四帐上转2000元到张三帐上print '开始转账，请稍候...'declare @card1 char(19),@card2 char(19)--从用户信息表中查询李四的卡号select @card1=cardID from cardInfo inner join userinfo on cardInfo.customerID=userinfo.customerIDwhere customername='李四'select @card2=cardID from cardInfo --从用户信息表查询张三的卡号where customerID =(select customerID from userInfo where customername='张三')exec proc_transfer @card1,@card2,2000--调用执行转账事务存储过程select * from view_cardInfo--查看银行信息视图select * from view_transinfo--查看交易信息视图/*******************12创建登陆账号和数据用户*************************/--1添加sql登录账号if not exists(select * from master.dbo.syslogins where loginname='fifille')    begin      exec sp_addlogin 'fifille','841023'    --添加SQL登录帐号           end  go--2创建数据库用户exec sp_revokedbaccess  'fifilledbuser'--删除exec sp_grantdbaccess 'fifille','fifilledbuser'--添加--3增加权限  为 fifilledbuser (增删改查的权限)grant select,insert,delete on transinfo to fifilledbuser select * from userInfo--1用户信息表userInfoselect * from cardInfo--2银行卡信息表：cardInfo select * from transInfo--3交易信息表 transInfo --临时表SELECT  *   INTO  #用户信息表临时表  FROM  userInfoGOSELECT  *  FROM  #用户信息表临时表select * from systypes

2009-05-16 18:10