diff --git "a/40\345\274\240\350\200\200\344\273\201/\344\275\234\344\270\232/1010\344\275\234\344\270\232.sql" "b/40\345\274\240\350\200\200\344\273\201/\344\275\234\344\270\232/1010\344\275\234\344\270\232.sql"
new file mode 100644
index 0000000000000000000000000000000000000000..b1bdffe77d9612dec44b73d3fee7fce1e29dbcc4
--- /dev/null
+++ "b/40\345\274\240\350\200\200\344\273\201/\344\275\234\344\270\232/1010\344\275\234\344\270\232.sql"
@@ -0,0 +1,127 @@
+--部门
+create table Department
+(
+	DepartmentId varchar(10) primary key , --主键，自动增长
+	DepartmentName nvarchar(50), --部门名称
+)
+--人员信息
+create table People
+(
+	PeopleId int primary key identity(1,1), --主键,自动增长
+	DepartmentId varchar(10), --部门编号,外键,与部门表关联
+	PeopleName nvarchar(20), --人员姓名
+	PeopleSex nvarchar(2), --人员性别
+	PeopleSalary money, --薪水
+)
+insert into Department(DepartmentId,DepartmentName)
+values('001','总经办')
+insert into Department(DepartmentId,DepartmentName)
+values('002','市场部')
+insert into Department(DepartmentId,DepartmentName)
+values('003','人事部')
+insert into Department(DepartmentId,DepartmentName)
+values('004','财务部')
+
+insert into People(DepartmentId,PeopleName,PeopleSex,PeopleSalary)
+values('001','刘备','男',8000)
+insert into People(DepartmentId,PeopleName,PeopleSex,PeopleSalary)
+values('001','关羽','男',5000)
+insert into People(DepartmentId,PeopleName,PeopleSex,PeopleSalary)
+values('002','张飞','男',3000)
+------------------------------------------------------------------------------------------------------------
+
+select * from Department
+select * from People
+
+--触发器(trigger)
+--创建触发器，往部门表插入一条数据('005','软件部')  之后 --- >自动执行的 输出新插入部门的id和部门名称。
+go
+--after
+create trigger tri_PrintDepartmentName
+on Department for insert
+as
+	
+	declare @name varchar(20), @id varchar(20)
+	--找到刚刚插入的这个信息  inserted:受影响行数的中的结果集
+	select @name = DepartmentName, @id=DepartmentId from inserted
+	print @name + char(9) + @id
+go
+
+insert into Department values('006','测试部')
+update Department set DepartmentName='开发部' where DepartmentId='006'
+
+--drop trigger tri_PrintDepartmentName
+
+
+--插入一个新员工  并输出该员工的基本信息
+create trigger tri_CheckSalary
+on People for insert
+as
+	declare @salary money
+	select @salary = PeopleSalary from inserted
+	if(@salary>3000)
+		begin
+			update People set PeopleSalary=3000 where PeopleId = (select PeopleId from inserted)
+		end
+
+insert into People(DepartmentId,PeopleName,PeopleSalary) values('005','赵云',9000)
+
+--after: delete
+--创建触发器实现，删除一个部门时（市场部），将该部门下的员工一起删除。(两张表无外键关联)
+create trigger tri_DeletePeopleByDepartment
+on Department for delete
+as
+	--删员工
+	delete from People where DepartmentId = (select DepartmentId from deleted)    --updated
+
+delete from Department where DepartmentId = '005'
+
+
+--创建触发器实现，当修改某员工工资后，输出该雇员的姓名，更新前工资和更新后工资
+--(测试数据:将001的工资加2000)
+
+create trigger tri_PrintSalary
+on People for update
+as
+	declare @oldmon varchar(20), @newmon varchar(20)
+	--老的结果集会存到deleted
+	select @oldmon = PeopleSalary  from deleted  
+	--新的结果集会存到inserted
+	select @newmon = peopleSalary from inserted
+	print '旧的工资:'+@oldmon + char(9) + '新的工资:'+@newmon
+
+
+update People set PeopleSalary -= 2000  where PeopleId = 001
+
+-----作业
+select*from Department
+select*from People
+--（1）假设有部门表和员工表，在添加员工的时候，该员工的部门编号如果在部门表中找不到，
+--则自动添加部门信息，部门名称为"新部门"。
+create trigger a_insert on People after insert
+as
+if not exists (select *from Department where DepartmentId=(select DepartmentId from inserted))
+begin
+insert into Department(DepartmentId,DepartmentName)
+values((select DepartmentId from inserted),'新部门')
+end
+go
+--测试
+insert into People(DepartmentId,PeopleName,PeopleSex,PeopleSalary)
+values('003','赵云','男',540)
+DELETE FROM People WHERE PeopleName='赵云'
+--（2）触发器实现，删除一个部门的时候将部门下所有员工全部删除。
+create trigger a_delete on People after delete
+as
+delete from People where DepartmentId=(select DepartmentId from deleted)
+go
+--测试
+delete from Department WHERE DepartmentId='006'
+--（4）修改一个部门编号之后，将该部门下所有员工的部门编号同步进行修改
+create trigger a_update on Department after update
+as
+update People set DepartmentId=(select DepartmentId from inserted)
+where DepartmentId=(select DepartmentId FROM deleted)
+GO
+--测试
+update Department set DepartmentId='005'where DepartmentId='001'
diff --git "a/40\345\274\240\350\200\200\344\273\201/\347\254\224\350\256\260/1010\347\254\224\350\256\260.txt" "b/40\345\274\240\350\200\200\344\273\201/\347\254\224\350\256\260/1010\347\254\224\350\256\260.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..e1090627ddcfc803c1c64c591dc33658bc6db57e
--- /dev/null
+++ "b/40\345\274\240\350\200\200\344\273\201/\347\254\224\350\256\260/1010\347\254\224\350\256\260.txt"
@@ -0,0 +1,45 @@
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