From e81698af34bc527cf879f096fd1ada74b6224472 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=8D=A2=E5=9B=BD=E5=BB=BA?= <168718453@qq.com> Date: Tue, 20 Sep 2022 15:16:36 +0000 Subject: [PATCH] =?UTF-8?q?=E5=8D=A2=E5=9B=BD=E5=BB=BA?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: 卢国建 <168718453@qq.com> --- .../9.20/BankTest.sql" | 292 ++++++++++++++++++ .../9.20/\347\254\224\350\256\260.txt" | 19 ++ 2 files changed, 311 insertions(+) create mode 100644 "\345\215\242\345\233\275\345\273\272/9.20/BankTest.sql" create mode 100644 "\345\215\242\345\233\275\345\273\272/9.20/\347\254\224\350\256\260.txt" diff --git "a/\345\215\242\345\233\275\345\273\272/9.20/BankTest.sql" "b/\345\215\242\345\233\275\345\273\272/9.20/BankTest.sql" new file mode 100644 index 0000000..0b8e2a2 --- /dev/null +++ "b/\345\215\242\345\233\275\345\273\272/9.20/BankTest.sql" @@ -0,0 +1,292 @@ +create database BankTest; +go +use banktest; +go +--˻Ϣ洢Ϣ +create table AccountInfo +( + AccountId int primary key identity(1,1), --˻ + AccountCode varchar(20) not null, --֤ + AccountPhone varchar(20) not null, --绰 + RealName varchar(20) not null, --ʵ + OpenTime smalldatetime not null, --ʱ +) +--п洢пϢ +create table BankCard +( + CardNo varchar(30) primary key, --п + AccountId int not null, --˻ţ˻Ϣγϵ + CardPwd varchar(30) not null, --п + CardMoney money not null, --п + CardState int not null,--1:,2:ʧ,3:,4:ע + CardTime smalldatetime default(getdate()) --ʱ +) +--Ϣ洢ǮȡǮļ¼ +create table CardExchange +( + ExchangeId int primary key identity(1,1), --Զ + CardNo varchar(30) not null, --п(пγϵ) + MoneyInBank money not null, --Ǯ + MoneyOutBank money not null, --ȡǮ + ExchangeTime smalldatetime not null, --ʱ +) +--תϢ洢תϢ¼ +create table CardTransfer +( + TransferId int primary key identity(1,1),--תԶ + CardNoOut varchar(30) not null, --תп(пγϵ) + CardNoIn varchar(30) not null, --תп(пγϵ) + TransferMoney money not null,--׽ + TransferTime smalldatetime not null, --ʱ +) +--״̬Ϣ仯洢п״̬仯ļ¼״̬1:,2:ʧ,3:,4:ע +create table CardStateChange +( + StateId int primary key identity(1,1),--״̬ϢԶ + CardNo varchar(30) not null, --п(пγϵ) + OldState int not null, --пԭʼ״̬ + NewState int not null, --п״̬ + StateWhy varchar(200) not null, --״̬仯ԭ + StateTime smalldatetime not null, --¼ʱ +) + + + +--Ϊŷ˽пIJ +--֤420107198905064135 +--֤420107199507104133 +--ŷ֤420107199602034138 +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107198905064135','13554785425','',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225125478544587',1,'123456',0,1) + +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107199507104133','13454788854','',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225547858741263',2,'123456',0,1) + +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107199602034138','13456896321','ŷ',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225547854125656',3,'123456',0,1) + +select * from AccountInfo +select * from BankCard + + + +--дǮǮ2000ԪǮ8000ԪŷɴǮ500000Ԫ +select * from AccountInfo +update BankCard set CardMoney = CardMoney + 2000 where CardNo = '6225125478544587' +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225125478544587',2000,0,GETDATE()) + +update BankCard set CardMoney = CardMoney + 8000 where CardNo = '6225547858741263' + +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225547858741263',8000,0,GETDATE()) + +update BankCard set CardMoney = CardMoney + 500000 where CardNo = '6225547854125656' +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225547854125656',500000,0,GETDATE()) + +--תˣŷת1000Ԫ +update BankCard set CardMoney = CardMoney -1000 where CardNo = '6225125478544587' +update BankCard set CardMoney = CardMoney + 1000 where CardNo = '6225547854125656' + +insert into CardTransfer(CardNoOut,CardNoIn,TransferMoney,TransferTime) +values('6225125478544587','6225547854125656',1000,GETDATE()) + + + +select * from AccountInfo --Ϣ +select * from BankCard --пϢ +select * from CardStateChange --п״̬ı +select * from CardTransfer --ת˱ +select * from CardExchange --׼¼\ + + + + +create database BankTest; +go +use banktest; +go +--˻Ϣ洢Ϣ +create table AccountInfo +( + AccountId int primary key identity(1,1), --˻ + AccountCode varchar(20) not null, --֤ + AccountPhone varchar(20) not null, --绰 + RealName varchar(20) not null, --ʵ + OpenTime smalldatetime not null, --ʱ +) +--п洢пϢ +create table BankCard +( + CardNo varchar(30) primary key, --п + AccountId int not null, --˻ţ˻Ϣγϵ + CardPwd varchar(30) not null, --п + CardMoney money not null, --п + CardState int not null,--1:,2:ʧ,3:,4:ע + CardTime smalldatetime default(getdate()) --ʱ +) +--Ϣ洢ǮȡǮļ¼ +create table CardExchange +( + ExchangeId int primary key identity(1,1), --Զ + CardNo varchar(30) not null, --п(пγϵ) + MoneyInBank money not null, --Ǯ + MoneyOutBank money not null, --ȡǮ + ExchangeTime smalldatetime not null, --ʱ +) +--תϢ洢תϢ¼ +create table CardTransfer +( + TransferId int primary key identity(1,1),--תԶ + CardNoOut varchar(30) not null, --תп(пγϵ) + CardNoIn varchar(30) not null, --תп(пγϵ) + TransferMoney money not null,--׽ + TransferTime smalldatetime not null, --ʱ +) +--״̬Ϣ仯洢п״̬仯ļ¼״̬1:,2:ʧ,3:,4:ע +create table CardStateChange +( + StateId int primary key identity(1,1),--״̬ϢԶ + CardNo varchar(30) not null, --п(пγϵ) + OldState int not null, --пԭʼ״̬ + NewState int not null, --п״̬ + StateWhy varchar(200) not null, --״̬仯ԭ + StateTime smalldatetime not null, --¼ʱ +) + + + +--Ϊŷ˽пIJ +--֤420107198905064135 +--֤420107199507104133 +--ŷ֤420107199602034138 +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107198905064135','13554785425','',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225125478544587',1,'123456',0,1) + +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107199507104133','13454788854','',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225547858741263',2,'123456',0,1) + +insert into AccountInfo(AccountCode,AccountPhone,RealName,OpenTime) +values('420107199602034138','13456896321','ŷ',GETDATE()) +insert into BankCard(CardNo,AccountId,CardPwd,CardMoney,CardState) +values('6225547854125656',3,'123456',0,1) + +select * from AccountInfo +select * from BankCard + + + +--дǮǮ2000ԪǮ8000ԪŷɴǮ500000Ԫ +select * from AccountInfo +update BankCard set CardMoney = CardMoney + 2000 where CardNo = '6225125478544587' +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225125478544587',2000,0,GETDATE()) + +update BankCard set CardMoney = CardMoney + 8000 where CardNo = '6225547858741263' + +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225547858741263',8000,0,GETDATE()) + +update BankCard set CardMoney = CardMoney + 500000 where CardNo = '6225547854125656' +insert into CardExchange(CardNo,MoneyInBank,MoneyOutBank,ExchangeTime) +values('6225547854125656',500000,0,GETDATE()) + +--תˣŷת1000Ԫ +update BankCard set CardMoney = CardMoney -1000 where CardNo = '6225125478544587' +update BankCard set CardMoney = CardMoney + 1000 where CardNo = '6225547854125656' + +insert into CardTransfer(CardNoOut,CardNoIn,TransferMoney,TransferTime) +values('6225125478544587','6225547854125656',1000,GETDATE()) + + + +select * from AccountInfo --Ϣ +select * from BankCard --пϢ +select * from CardStateChange --п״̬ı +select * from CardTransfer --ת˱ +select * from CardExchange --׼¼ + + +--1. пΪ"6225547858741263"ѯȹпϢ +--ʾţ֤ +select a.RealName ,a.AccountPhone ֻ,b.CardNo ,b.CardMoney from AccountInfo a +inner join +( +select * from BankCard +where CardMoney >any(select CardMoney from BankCard where CardNo=6225547858741263) +) b on b.AccountId=a.AccountId + +--2. ˻ϢвѯߵĽϸ(ǮȡǮϢ) +select B.* from CardExchange C +inner join +( +select * from BankCard +where cardMoney= (select max(CardMoney) from BankCard) +) B on B.CardNo=C.CardNo +--1. ѯȡ¼п˻Ϣʾţ֤ +select c.*,A.AccountCode ֤,A.RealName from + ( + select b.AccountId,a.CardNo ,b.CardMoney from BankCard b + inner join + ( + select CardNo from CardExchange where MoneyInBank>0 + ) a on a.CardNo=b.CardNo + ) c + inner join AccountInfo A on A.AccountId=c.AccountId + + +--2. ѯûд¼п˻Ϣʾţ֤ + +select c.*,A.AccountCode ֤,A.RealName from + ( + select b.AccountId,a.CardNo ,b.CardMoney from BankCard b + inner join + ( + select CardNo from CardExchange where MoneyInBank=0 + ) a on a.CardNo=b.CardNo + ) c + inner join AccountInfo A on A.AccountId=c.AccountId + +--3. пΪ"6225547858741263",ѯǷյתˡ + +if exists( + (select * from + ( + select * from BankCard + where CardNo=6225547858741263 + ) A + join CardTransfer C on C.CardNoOut=A.CardNo) + +) +print 'ת˼¼' +else print 'ûת˼¼' + + +--4. ѯ״ȡп˻Ϣʾţ֤״ + + +select * from CardExchange + + + + +--1. ѯûת˽׼¼п˻Ϣʾţ֤ + + +select A.CardNo,A1.AccountCode,A1.RealName,A.CardMoney from + (select * from BankCard B + left join + CardTransfer C on C.CardNoOut=B.CardNo) A +join AccountInfo A1 on A1.AccountId=A.AccountId +where transferId is null \ No newline at end of file diff --git "a/\345\215\242\345\233\275\345\273\272/9.20/\347\254\224\350\256\260.txt" "b/\345\215\242\345\233\275\345\273\272/9.20/\347\254\224\350\256\260.txt" new file mode 100644 index 0000000..faa89d8 --- /dev/null +++ "b/\345\215\242\345\233\275\345\273\272/9.20/\347\254\224\350\256\260.txt" @@ -0,0 +1,19 @@ + t1表中2、3 t2表中1、2、3、4 +子查询 可以按照结果和位置分类 + 结果可以按标量子查询、列子查询、行子查询、表子查询（from关键字） + 列子查询又可以按 （in关键字，比如123，在用where的时候一般只能=或>=<=、>、<某个数字，而in是可以=1、2、3在这三个数字里有符合的就可以 + any关键字是比如 表2where n any>（表1：注这里是子查询）那么结果是3、4，表中的表中符合的会一 一挑出来 + 而 表2where all>（表1）表2中的4大于表1中的所有数字 结果就是4，3不必表1中的3打所以不符合，要大于所有的数字才符合 + some 和any一样 ） + 位置查询可以分为 from子查询 where查询 exists查询（语法是类似 if exists( + (select * from + ( + select * from BankCard + where CardNo=6225547858741263 + ) A + join CardTransfer C on C.CardNoOut=A.CardNo) + +) +print '有转账记录' +else print '没有转账记录' +）注：有查询记录就返回t 没有就返回f \ No newline at end of file -- Gitee