数据库期末考源代码
USE master;
IF DB_ID('EduBase') IS NOT NULL
BEGIN
ALTER DATABASE EduBase
SET SINGLE_USER
WITH ROLLBACK IMMEDIATE;
DROP DATABASE EduBase;
END
CREATE DATABASE EduBase
ON
(NAME='DataFile_1'
,FILENAME='E:\EduBase\DataFile_1.mdf')
LOG ON
(NAME='LogFile_1'
,FILENAME='E:\EduBase\LogFile_1.ldf');
CREATE TABLE tb_Department
(No
INT
NOT NULL
PRIMARY KEY
,Name
VARCHAR(20)
NOT NULL)
INSERT tb_Department
(No,Name)
VALUES
(1,'管理学院')
,(2,'中医学院');
CREATE TABLE tb_Major
(No
INT
NOT NULL
PRIMARY KEY
,Name
VARCHAR(20)
NOT NULL
,DepartmentNo
INT
NOT NULL)
INSERT tb_Major
(No,Name,DepartmentNo)
VALUES
(1,'卫管',1)
,(2,'信管',1)
,(3,'中医',2)
,(4,'临床',2);
CREATE TABLE tb_Class
(No
INT
NOT NULL
PRIMARY KEY
,Name
VARCHAR(20)
NOT NULL
,MajorNo
INT
NOT NULL)
INSERT tb_Class
(No,Name,MajorNo)
VALUES
(1,'17卫管',1)
,(2,'17信管',2)
,(3,'17中医',3)
,(4,'17临床',4);
CREATE TABLE tb_Student
(No
CHAR(10)
NOT NULL
PRIMARY KEY
,Name
VARCHAR(20)
NOT NULL
,Gender
VARCHAR(4)
NOT NULL
,BirthDate
DATE
NULL
,ClassNo
INT
NULL
FOREIGN KEY
REFERENCES tb_Class(No)
,Speciality
VARCHAR(100)
NULL
);
INSERT tb_Student
(No,Name,Gender,BirthDate,ClassNo,Speciality)
VALUES
('3170707023','何少平','男','1999-05-07',2,'敲代码')
,('3170707024','杨颜霞','女','1997-04-07',2,'吃货')
,('3170707026','宋务琦','男','1998-03-03',2,NULL)
,('3170707027','李广生','男','1998-09-15',1,NULL)
,('3170707028','薛朝鹏','男','1998-09-18',1,NULL)
,('3170707029','李雅婷','女','1998-04-03',1,NULL)
,('3170707031','林荷秀','女','1997-06-28',3,NULL)
,('3170707032','任可欣','女','1998-09-18',3,NULL)
,('3170707033','王昭晖','女','1998-09-19',3,NULL)
,('3170707034','张洁','女','1998-09-11',4,NULL)
,('3170707036','林晨艺','女','1998-09-12',4,NULL)
,('3170707038','许婷婷','女','1998-09-13',4,NULL)
----完整备份作业
CREATE PROCEDURE usp_Full
AS
BEGIN
DECLARE
@FullBkDesc VARCHAR(255);
SELECT
@FullBkDesc = 'Weekly full backup for '+CONVERT(VARCHAR,GETDATE(),120);
BACKUP DATABASE EduBase
TO DISK='E:\EduBase\Full\Fullbackup.bak'
WITH
DESCRIPTION = @FullBkDesc;
END
EXEC msdb.dbo.sp_add_job
@job_name = 'jb_EB_FullWeekly'
EXEC msdb.dbo.sp_add_jobstep
@job_name = 'jb_EB_FullWeekly'
,@step_name = 'js_EB_FullBackup'
,@step_id = 1
,@database_name = 'EduBase'
,@subsystem = 'TSQL'
,@command =
'EXEC EduBase.dbo.usp_Full'
EXEC msdb.dbo.sp_add_jobschedule
@job_name = 'jb_EB_FullWeekly'
,@name = 'jc_EB_FullBackup_Sunday2200'
,@freq_type = 8
,@freq_interval = 1
,@freq_recurrence_factor = 1
,@active_start_time = 220000
EXEC msdb.dbo.sp_add_jobserver
@job_name = 'jb_EB_FullWeekly'
,@server_name = @@SERVERNAME;
CREATE PROCEDURE usp_log
AS
BEGIN
DECLARE
@LogBkDesc VARCHAR(MAX)
SELECT
@LogBkDesc = 'Hourly log backup for '+CONVERT(VARCHAR,GETDATE(),120);
BACKUP LOG EduBase
TO DISK='E:\EduBase\Log\logBackup.bak'
WITH
DESCRIPTION = @LOGBkDesc;
END
EXEC msdb.dbo.sp_add_job
@job_name ='jobhour'
EXEC msdb.dbo.sp_add_jobstep
@job_name = 'jobhour'
,@step_name = 'LogBackup'
,@database_name = 'EduBase'
,@subsystem = 'TSQL'
,@command =
'EXEC EduBase.dbo.usp_log'
EXEC msdb.dbo.sp_add_jobschedule
@job_name = 'jobhour'
,@name = 'jc_EduBase_LOGBackup'
,@freq_type = 4
,@freq_interval = 1
,@freq_subday_type = 0x8
,@freq_subday_interval = 1
EXEC msdb.dbo.sp_add_jobserver
@job_name = 'jobhour'
,@server_name = @@SERVERNAME;
----执行还原
RESTORE DATABASE EduBase
FROM DISK = 'E:\EduBase\Full\FullBackup.bak'
WITH
FILE = 1
,REPLACE
,NORECOVERY;
RESTORE DATABASE EduBase
FROM DISK = 'E:\EduBase\Log\logBackup.bak'
WITH
FILE = 1
,NORECOVERY;
RESTORE DATABASE EduBase
FROM DISK = 'E:\EduBase\Log\logBackup.bak'
WITH
FILE = 2
,RECOVERY;
RESTORE database EduBase with recovery ----（立刻还原）using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace 期末考
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btn_Load_Click(object sender, EventArgs e)
{
SqlConnection sqlConnection = new SqlConnection();
sqlConnection.ConnectionString =
"Server=(local);Database=EduBase;Integrated Security=sspi";
SqlCommand sqlCommand = new SqlCommand();
sqlCommand.Connection = sqlConnection;
sqlCommand.CommandText =
"SELECT * FROM tb_Department;"
+ "SELECT * FROM tb_Major;"
+ "SELECT * FROM tb_Class;";
SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
sqlDataAdapter.SelectCommand = sqlCommand;
DataSet dataSet = new DataSet();
sqlConnection.Open();
sqlDataAdapter.Fill(dataSet);
sqlConnection.Close();
DataTable departmentTable = dataSet.Tables[0];
DataTable majorTable = dataSet.Tables[1];
DataTable classTable = dataSet.Tables[2];
DataRelation[] dataRelations =
{
new DataRelation
("Department_Major"
, departmentTable.Columns["No"]
, majorTable.Columns["DepartmentNo"]
, false)
, new DataRelation
("Major_Class"
, majorTable.Columns["No"]
, classTable.Columns["MajorNo"]
, false)
};
dataSet.Relations.AddRange(dataRelations);
this.trv_EducationUnit.Nodes.Clear();
foreach (DataRow departmentRow in departmentTable.Rows)
{
TreeNode departmentNode = new TreeNode();
departmentNode.Text = departmentRow["Name"].ToString();
this.trv_EducationUnit.Nodes.Add(departmentNode);
foreach (DataRow majorRow in departmentRow.GetChildRows("Department_Major"))
{
TreeNode majorNode = new TreeNode();
majorNode.Text = majorRow["Name"].ToString();
departmentNode.Nodes.Add(majorNode);
foreach (DataRow classRow in majorRow.GetChildRows("Major_Class"))
{
TreeNode classNode = new TreeNode();
classNode.Text = classRow["Name"].ToString();
classNode.Tag = classRow["No"];
majorNode.Nodes.Add(classNode);
}
}
}
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection sqlConnection = new SqlConnection();
sqlConnection.ConnectionString =
"Server=(local);Database=EduBase;Integrated Security=sspi";
SqlCommand insertCommand = new SqlCommand();
insertCommand.Connection = sqlConnection;
insertCommand.CommandText =
"INSERT tb_Student"
+ "(No,Name,Gender,BirthDate,ClassNo,Speciality)"
+ " VALUES(@No,@Name,@Gender,@BirthDate,@Class,@Speciality);";
insertCommand.Parameters.Add("@No", SqlDbType.Char, 10, "No");
insertCommand.Parameters.Add("@Name", SqlDbType.VarChar, 0, "Name");
insertCommand.Parameters.Add("@Gender", SqlDbType.VarChar, 0, "Gender");
insertCommand.Parameters.Add("@BirthDate", SqlDbType.VarChar, 0, "BirthDate");
insertCommand.Parameters.Add("@Class", SqlDbType.VarChar, 0, "ClassNo");
insertCommand.Parameters.Add("@Speciality", SqlDbType.VarChar, 0, "Speciality");
SqlCommand updateCommand = new SqlCommand();
updateCommand.Connection = sqlConnection;
updateCommand.CommandText =
"UPDATE tb_Student"
+ " SET No=@NewNo,Name=@Name,Gender=@Gender,BirthDate=@BirthDate,ClassNo=@Class,Speciality=@Speciality"
+ " WHERE No=@OldNo;";
updateCommand.Parameters.Add("@NewNo", SqlDbType.Char, 10, "No");
updateCommand.Parameters.Add("@Name", SqlDbType.VarChar, 0, "Name");
updateCommand.Parameters.Add("@Gender", SqlDbType.VarChar, 0, "Gender");
updateCommand.Parameters.Add("@BirthDate", SqlDbType.VarChar, 0, "BirthDate");
updateCommand.Parameters.Add("@Class", SqlDbType.VarChar, 0, "ClassNo");
updateCommand.Parameters.Add("@Speciality", SqlDbType.VarChar, 0, "Speciality");
updateCommand.Parameters.Add("@OldNo", SqlDbType.Char, 10, "No");
updateCommand.Parameters["@OldNo"].SourceVersion = DataRowVersion.Original;
SqlCommand deleteCommand = new SqlCommand();
deleteCommand.Connection = sqlConnection;
deleteCommand.CommandText =
"DELETE tb_Student"
+ " WHERE No=@No;";
deleteCommand.Parameters.Add("@No", SqlDbType.Char, 10, "No");
SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
sqlDataAdapter.InsertCommand = insertCommand;
sqlDataAdapter.UpdateCommand = updateCommand;
sqlDataAdapter.DeleteCommand = deleteCommand;
DataTable studentTable1 = (DataTable)this.dgv_Student.DataSource;
sqlConnection.Open();
int rowAffected = sqlDataAdapter.Update(studentTable1);
sqlConnection.Close();
MessageBox.Show("更新" + rowAffected.ToString() + "行。");
}
private void trv_EducationUnit_AfterSelect(object sender, TreeViewEventArgs e)
{
if (this.trv_EducationUnit.SelectedNode.Level == 2)
{
int classNo = (int)this.trv_EducationUnit.SelectedNode.Tag;
SqlConnection sqlConnection = new SqlConnection();
sqlConnection.ConnectionString =
"Server=(local);Database=EduBase;Integrated Security=sspi";
SqlCommand sqlCommand = new SqlCommand();
sqlCommand.Connection = sqlConnection;
sqlCommand.CommandText = "SELECT * FROM tb_Student WHERE ClassNo=@ClassNo;";
sqlCommand.Parameters.AddWithValue("@ClassNo", classNo);
SqlDataAdapter sqlDataAdapter = new SqlDataAdapter();
sqlDataAdapter.SelectCommand = sqlCommand;
DataTable studentTable = new DataTable();
sqlConnection.Open();
sqlDataAdapter.Fill(studentTable);
sqlConnection.Close();
this.dgv_Student.DataSource = studentTable;
this.dgv_Student.Columns["No"].HeaderText = "学号";
this.dgv_Student.Columns["Name"].HeaderText = "姓名";
this.dgv_Student.Columns["Gender"].HeaderText = "性别";
this.dgv_Student.Columns["BirthDate"].HeaderText = "出生日期";
this.dgv_Student.Columns["ClassNo"].HeaderText = "班级编号";
this.dgv_Student.Columns["Speciality"].HeaderText = "爱好";
this.dgv_Student.Columns[this.dgv_Student.Columns.Count - 1].AutoSizeMode =
DataGridViewAutoSizeColumnMode.Fill;
}
}
}
}
源代码：https://gitee.com/DiJun1/QuKuaiLianShiLi