diff --git "a/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/.keep" "b/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232.sql" "b/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232.sql"
new file mode 100644
index 0000000000000000000000000000000000000000..ee80ec88b25ee61e94241c8ef19060920d5291e0
--- /dev/null
+++ "b/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232.sql"
@@ -0,0 +1,56 @@
+--例3：使用游标实现加薪操作
+--创建游标
+declare cur_id cursor scroll for select PeopleId from People
+--打开游标
+open cur_id
+--提取数据
+declare @id int, @money money = 1000
+fetch first from cur_id into @id
+while (@@fetch_status = 0)
+	begin
+		update People set PeopleSalary += @money where PeopleId = @id
+		fetch next from cur_id into @id
+	end
+--关闭游标
+close cur_id
+select * from People
+go
+
+--例4:使用游标删除不达标员工
+select * from People
+--创建
+declare cur_id cursor scroll for select PeopleId,PeopleSalary from People
+--打开
+open cur_id
+--提取
+declare @id int, @money money
+fetch first from cur_id into @id,@money
+while(@@FETCH_STATUS = 0)
+	begin
+		if(@money < 10000)
+		begin
+			delete People where PeopleId = @id
+			fetch next from cur_id into @id,@money
+		end
+		else
+			fetch next from cur_id into @id,@money
+	end
+close cur_id
+select * from People
+go
+--使用游标 实现:如果A表与B表中ID字段值相同，那么将B表中的省份，城市 修改成与A表中的城市一致（连表）
+
+declare cur_id cursor scroll for select A.* from A inner join B on A.id = B.id
+deallocate cur_id
+open cur_id
+declare @id int , @id1 int,@Province varchar(10),@City varchar(10)
+fetch first from cur_id into @id,@Province,@City
+while(@@FETCH_STATUS = 0)
+	begin
+			update B set B.Province = @Province , B.City = @City where B.id = @id
+			fetch next from cur_id into @id,@Province,@City
+	end
+		
+close cur_id
+select * from A
+select * from B
\ No newline at end of file
diff --git "a/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\347\254\224\350\256\260.md" "b/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\347\254\224\350\256\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..f63bd86deac98d308096402e566fbf9cfd4200cc
--- /dev/null
+++ "b/20\347\216\213\344\270\226\350\264\242/2022-9-30\347\254\254\344\271\235\346\254\241\344\275\234\344\270\232+\347\254\224\350\256\260/\347\254\254\344\271\235\346\254\241\347\254\224\350\256\260.md"
@@ -0,0 +1,56 @@
+-例3：使用游标实现加薪操作
+--创建游标
+declare cur_id cursor scroll for select PeopleId from People
+--打开游标
+open cur_id
+--提取数据
+declare @id int, @money money = 1000
+fetch first from cur_id into @id
+while (@@fetch_status = 0)
+	begin
+		update People set PeopleSalary += @money where PeopleId = @id
+		fetch next from cur_id into @id
+	end
+--关闭游标
+close cur_id
+select * from People
+go
+
+--例4:使用游标删除不达标员工
+select * from People
+--创建
+declare cur_id cursor scroll for select PeopleId,PeopleSalary from People
+--打开
+open cur_id
+--提取
+declare @id int, @money money
+fetch first from cur_id into @id,@money
+while(@@FETCH_STATUS = 0)
+	begin
+		if(@money < 10000)
+		begin
+			delete People where PeopleId = @id
+			fetch next from cur_id into @id,@money
+		end
+		else
+			fetch next from cur_id into @id,@money
+	end
+close cur_id
+select * from People
+go
+--使用游标 实现:如果A表与B表中ID字段值相同，那么将B表中的省份，城市 修改成与A表中的城市一致（连表）
+
+declare cur_id cursor scroll for select A.* from A inner join B on A.id = B.id
+deallocate cur_id
+open cur_id
+declare @id int , @id1 int,@Province varchar(10),@City varchar(10)
+fetch first from cur_id into @id,@Province,@City
+while(@@FETCH_STATUS = 0)
+	begin
+			update B set B.Province = @Province , B.City = @City where B.id = @id
+			fetch next from cur_id into @id,@Province,@City
+	end
+		
+close cur_id
+select * from A
+select * from B
\ No newline at end of file