diff --git "a/\351\273\204\351\233\204123/.keep" "b/\351\273\204\351\233\204123/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/\351\273\204\351\233\204123/9.19/.keep" "b/\351\273\204\351\233\204123/9.19/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/\351\273\204\351\233\204123/9.19/SQLQuery2.sql" "b/\351\273\204\351\233\204123/9.19/SQLQuery2.sql"
new file mode 100644
index 0000000000000000000000000000000000000000..af2fae9f5257aa0a4a29815d31f1ddc9f746253e
--- /dev/null
+++ "b/\351\273\204\351\233\204123/9.19/SQLQuery2.sql"
@@ -0,0 +1,43 @@
+select * from AccountInfo
+select * from BankCard
+select * from CardExchange
+select * from CardStateChange
+select * from CardTransfer
+--1. 关羽的银行卡号为"6225547858741263"，查询出余额比关羽多的银行卡信息，示显卡号，身份证，姓名，余额。
+select CardNo 银行卡号,AccountCode 身份证,RealName 姓名,CardMoney 余额 from AccountInfo aa 
+inner join (select * from BankCard where CardMoney>8000) bb on aa.AccountId=bb.AccountId
+
+
+--2. 从所有账户信息中查询出余额最高的交易明细(存钱取钱信息)。
+select * from CardExchange
+where MoneyInBank=any(select max(MoneyInBank) from CardExchange)
+
+
+--3. 查询有取款记录的银行卡及账户信息，显示卡号，身份证，姓名，余额。
+select * from AccountInfo
+where AccountId=any(
+select AccountId from BankCard
+where CardNo=any(
+select CardNo from CardExchange
+where MoneyOutBank>0
+)
+)
+
+
+--4. 查询出没有存款记录的银行卡及账户信息，显示卡号，身份证，姓名，余额。
+select * from AccountInfo
+where AccountId=any(
+select AccountId from BankCard where CardMoney=0)
+
+
+--5. 关羽的银行卡号为"6225547858741263",查询当天是否有收到转账。
+select * from CardTransfer where CardNoIn ='6225547858741263'
+--6. 查询出交易次数（存款取款操作）最多的银行卡账户信息，显示：卡号，身份证，姓名，余额，交易次数。
+select  b.CardNo, AccountInfo .AccountCode,AccountInfo .RealName,b.CardMoney,a.cou from BankCard b
+inner join (select CardNo,COUNT(*) cou,RANK() over (order by count(*) desc) sort from CardExchange group by CardNo) a on b.CardNo=a.CardNo
+inner join AccountInfo on AccountInfo.AccountId=b.AccountId
+where a.sort=1
+--7. 查询出没有转账交易记录的银行卡账户信息，显示卡号，身份证，姓名，余额。
+select CardNo,AccountCode,RealName,CardMoney from BankCard b
+inner join AccountInfo a on a.AccountId=b.AccountId
+where CardNo not in (select CardNoOut from CardTransfer)
\ No newline at end of file
diff --git "a/\351\273\204\351\233\204123/9.19/\346\216\222\345\272\217\345\207\275\346\225\260.md" "b/\351\273\204\351\233\204123/9.19/\346\216\222\345\272\217\345\207\275\346\225\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..523e4fd9f96119a8b7776e0baa2be0b93456780a
--- /dev/null
+++ "b/\351\273\204\351\233\204123/9.19/\346\216\222\345\272\217\345\207\275\346\225\260.md"
@@ -0,0 +1,7 @@
+## 鎺掑簭鍑芥暟  
+ 197  
+ 198 **鎺掑簭鍑芥暟 OVER( [鍒嗙粍瀛愬彞] 鎺掑簭瀛愬彞[DESC][ASC] )**  
+ 199  
+ 200 - ROW_NUMBER()鍑芥暟鐢熸垚鐨勬帓搴忔牴鎹帓搴忓瓙鍙ョ粰鍑�**閫掑杩炵画鐨勫簭鍙�**  
+ 201 - RANK()鍑芥暟鐢熸垚鐨勬帓搴忔牴鎹帓搴忓瓙鍙ョ粰鍑�**閫掑鐨勫簭鍙凤紝浣嗘槸瀛樺湪骞跺垪骞朵笖璺崇┖**  
+ 202 - DENSE_RANK() 鍑芥暟鐢熸垚鐨勬帓搴忔牴鎹帓搴忓瓙鍙ョ粰鍑�**閫掑鐨勫簭鍙凤紝浣嗘槸瀛樺湪骞跺垪涓嶈烦绌�**  
\ No newline at end of file