diff --git "a/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\344\275\234\344\270\232/SQLQuery1.sql" "b/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\344\275\234\344\270\232/SQLQuery1.sql"
new file mode 100644
index 0000000000000000000000000000000000000000..a5f759456aa302311c6b6b6f3434d7e38a16a30b
--- /dev/null
+++ "b/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\344\275\234\344\270\232/SQLQuery1.sql"
@@ -0,0 +1,62 @@
+--1.--假设刘备取款6000，(添加check约束，设置账户余额必须>=0)，要求：使用事务实现，修改余额和添加取款记录两步操作使用事务
+alter table BankCard add constraint CK_Money check(CardMoney >= 0)
+
+declare @myError int = 0
+declare @getMoney float = 6000
+declare @carID varchar(10)
+declare @name  varchar(10)
+declare @Phone varchar(10)
+set @name = '刘备'
+
+select @carID = (select b.CardNo from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name)
+select @Phone = (select a.AccountPhone from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name)
+
+begin transaction A
+update BankCard set CardMoney -= @getMoney where CardNo = @carID
+set @myError += @@ERROR
+insert into CardExchange values(@carID,0,@getMoney,getdate())
+set @myError += @@ERROR
+
+if(@myError = 0)
+begin
+	commit transaction A
+end
+else 
+begin
+	rollback transaction B
+end
+go
+
+--2.--刘备向张飞转账1000元，(添加check约束，设置账户余额必须>=0)
+alter table BankCard add constraint CK_Money check(CardMoney >= 0)
+declare @myError int = 0
+declare @getMoney float = 1000
+declare @carID varchar(10)
+declare @carID1 varchar(10)
+declare @name  varchar(10)
+declare @name1  varchar(10)
+declare @Phone varchar(10)
+declare @Phone1 varchar(10)
+set @name = '刘备'
+set @name1 = '张飞'
+select @carID = (select b.CardNo from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name)
+select @Phone = (select a.AccountPhone from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name)
+select @carID1 = (select b.CardNo from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name1)
+select @Phone1 = (select a.AccountPhone from AccountInfo a inner join BankCard b on a.AccountId =b.AccountId where RealName = @name1)
+
+begin transaction
+update BankCard set CardMoney -= @getMoney where CardNo = @carID
+set @myError += @@ERROR
+update BankCard set CardMoney += @getMoney where CardNo = @carID1
+set @myError += @@ERROR
+insert into CardTransfer values(@carID,@carID1,@getMoney,getdate())
+set @myError += @@ERROR
+
+if(@myError = 0)
+begin
+	commit transaction
+end
+else 
+begin
+	rollback transaction
+end
\ No newline at end of file
diff --git "a/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\347\254\224\350\256\260/\347\254\224\350\256\260.txt" "b/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\347\254\224\350\256\260/\347\254\224\350\256\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..7d377537e15480fadec8b2bca60885249c4d32b9
--- /dev/null
+++ "b/37\345\274\240\346\255\243\350\261\252/2022-09.28\344\272\213\345\212\241\345\274\240\346\255\243\350\261\252/\347\254\224\350\256\260/\347\254\224\350\256\260.txt"
@@ -0,0 +1,23 @@
+8銆佷簨鍔�
+
+### Transaction
+
+涓�鑸潵璇达紝浜嬪姟鍏锋湁鍥涗釜鏍囧噯灞炴�э紝鍒嗗埆鏄師瀛愭�э紙**A**tomicity锛屾垨绉颁笉鍙垎鍓叉�э級銆佷竴鑷存�э紙**C**onsistency锛夈�侀殧绂绘�э紙**I**solation锛屽張绉扮嫭绔嬫�э級銆佹寔涔呮�э紙**D**urability锛夛紝绠�绉� **ACID**銆�
+
+**鑷姩鎻愪氦浜嬬墿**锛� 鏄疭QL Server榛樿鐨勪竴绉嶄簨鍔℃ā寮忥紝姣忔潯Sql璇彞閮借鐪嬫垚涓�涓簨鍔¤繘琛屽鐞嗐��
+
+**鏄惧紡浜嬪姟**: T-sql鏍囨槑锛岀敱Begin Transaction寮�鍚簨鍔″紑濮嬶紝鐢盋ommit Transaction 鎻愪氦浜嬪姟銆丷ollback Transaction 鍥炴粴浜嬪姟缁撴潫銆�
+
+寮�濮嬭鍙�
+
+    begin transaction
+
+鐢ˊ@errorr鏉ュ垽鏂槸鍚﹀洖婊�
+
+鎻愪氦璇彞
+
+    commit transaction
+
+鍥炴粴璇彞
+
+    rollback transaction
\ No newline at end of file